diff options
| -rw-r--r-- | Documentation/config/merge.txt | 19 | ||||
| -rw-r--r-- | archive.c | 2 | ||||
| -rw-r--r-- | blame.c | 2 | ||||
| -rw-r--r-- | blame.h | 2 | ||||
| -rw-r--r-- | builtin/rm.c | 2 | ||||
| -rw-r--r-- | builtin/update-index.c | 2 | ||||
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | fsck.c | 2 | ||||
| -rw-r--r-- | line-log.c | 2 | ||||
| -rw-r--r-- | match-trees.c | 8 | ||||
| -rw-r--r-- | merge-recursive.c | 1853 | ||||
| -rw-r--r-- | notes.c | 2 | ||||
| -rw-r--r-- | sha1-name.c | 2 | ||||
| -rwxr-xr-x | t/t3401-rebase-and-am-rename.sh | 8 | ||||
| -rwxr-xr-x | t/t6043-merge-rename-directories.sh | 462 | ||||
| -rwxr-xr-x | t/t6046-merge-skip-unneeded-updates.sh | 8 | ||||
| -rw-r--r-- | tree-diff.c | 2 | ||||
| -rw-r--r-- | tree-walk.c | 6 | ||||
| -rw-r--r-- | tree-walk.h | 6 |
19 files changed, 1367 insertions, 1025 deletions
diff --git a/Documentation/config/merge.txt b/Documentation/config/merge.txt index d389c73929..6a313937f8 100644 --- a/Documentation/config/merge.txt +++ b/Documentation/config/merge.txt @@ -39,9 +39,22 @@ merge.renameLimit:: is turned off. merge.renames:: - Whether and how Git detects renames. If set to "false", - rename detection is disabled. If set to "true", basic rename - detection is enabled. Defaults to the value of diff.renames. + Whether Git detects renames. If set to "false", rename detection + is disabled. If set to "true", basic rename detection is enabled. + Defaults to the value of diff.renames. + +merge.directoryRenames:: + Whether Git detects directory renames, affecting what happens at + merge time to new files added to a directory on one side of + history when that directory was renamed on the other side of + history. If merge.directoryRenames is set to "false", directory + rename detection is disabled, meaning that such new files will be + left behind in the old directory. If set to "true", directory + rename detection is enabled, meaning that such new files will be + moved into the new directory. If set to "conflict", a conflict + will be reported for such paths. If merge.renames is false, + merge.directoryRenames is ignored and treated as false. Defaults + to "conflict". merge.renormalize:: Tell Git that canonical representation of files in the @@ -415,7 +415,7 @@ static void parse_treeish_arg(const char **argv, if (prefix) { struct object_id tree_oid; - unsigned int mode; + unsigned short mode; int err; err = get_tree_entry(&tree->object.oid, prefix, &tree_oid, @@ -99,7 +99,7 @@ static void verify_working_tree_path(struct repository *r, for (parents = work_tree->parents; parents; parents = parents->next) { const struct object_id *commit_oid = &parents->item->object.oid; struct object_id blob_oid; - unsigned mode; + unsigned short mode; if (!get_tree_entry(commit_oid, path, &blob_oid, &mode) && oid_object_info(r, &blob_oid, NULL) == OBJ_BLOB) @@ -52,7 +52,7 @@ struct blame_origin { struct blame_entry *suspects; mmfile_t file; struct object_id blob_oid; - unsigned mode; + unsigned short mode; /* guilty gets set when shipping any suspects to the final * blame list instead of other commits */ diff --git a/builtin/rm.c b/builtin/rm.c index db85b33982..90cbe896c9 100644 --- a/builtin/rm.c +++ b/builtin/rm.c @@ -110,7 +110,7 @@ static int check_local_mod(struct object_id *head, int index_only) const struct cache_entry *ce; const char *name = list.entry[i].name; struct object_id oid; - unsigned mode; + unsigned short mode; int local_changes = 0; int staged_changes = 0; diff --git a/builtin/update-index.c b/builtin/update-index.c index 890c251d66..27db0928bf 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -597,7 +597,7 @@ static struct cache_entry *read_one_ent(const char *which, struct object_id *ent, const char *path, int namelen, int stage) { - unsigned mode; + unsigned short mode; struct object_id oid; struct cache_entry *ce; @@ -1333,7 +1333,7 @@ static inline int hex2chr(const char *s) #define FALLBACK_DEFAULT_ABBREV 7 struct object_context { - unsigned mode; + unsigned short mode; /* * symlink_path is only used by get_tree_entry_follow_symlinks, * and only for symlinks that point outside the repository. @@ -604,7 +604,7 @@ static int fsck_tree(struct tree *item, struct fsck_options *options) o_name = NULL; while (desc.size) { - unsigned mode; + unsigned short mode; const char *name; const struct object_id *oid; diff --git a/line-log.c b/line-log.c index 59248e37cc..0a17b21187 100644 --- a/line-log.c +++ b/line-log.c @@ -498,7 +498,7 @@ static struct commit *check_single_commit(struct rev_info *revs) static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec) { - unsigned mode; + unsigned short mode; struct object_id oid; if (get_tree_entry(&commit->object.oid, spec->path, &oid, &mode)) diff --git a/match-trees.c b/match-trees.c index ddc4d39845..9d1ec8d6b0 100644 --- a/match-trees.c +++ b/match-trees.c @@ -140,7 +140,7 @@ static void match_trees(const struct object_id *hash1, while (one.size) { const char *path; const struct object_id *elem; - unsigned mode; + unsigned short mode; int score; elem = tree_entry_extract(&one, &path, &mode); @@ -196,7 +196,7 @@ static int splice_tree(const struct object_id *oid1, const char *prefix, rewrite_here = NULL; while (desc.size) { const char *name; - unsigned mode; + unsigned short mode; tree_entry_extract(&desc, &name, &mode); if (strlen(name) == toplen && @@ -285,7 +285,7 @@ void shift_tree(const struct object_id *hash1, if (add_score < del_score) { /* We need to pick a subtree of two */ - unsigned mode; + unsigned short mode; if (!*del_prefix) return; @@ -313,7 +313,7 @@ void shift_tree_by(const struct object_id *hash1, const char *shift_prefix) { struct object_id sub1, sub2; - unsigned mode1, mode2; + unsigned short mode1, mode2; unsigned candidate = 0; /* Can hash2 be a tree at shift_prefix in tree hash1? */ diff --git a/merge-recursive.c b/merge-recursive.c index 6126773a7b..69abd6edec 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -115,32 +115,32 @@ static void collision_init(struct hashmap *map) hashmap_init(map, (hashmap_cmp_fn) collision_cmp, NULL, 0); } -static void flush_output(struct merge_options *o) +static void flush_output(struct merge_options *opt) { - if (o->buffer_output < 2 && o->obuf.len) { - fputs(o->obuf.buf, stdout); - strbuf_reset(&o->obuf); + if (opt->buffer_output < 2 && opt->obuf.len) { + fputs(opt->obuf.buf, stdout); + strbuf_reset(&opt->obuf); } } -static int err(struct merge_options *o, const char *err, ...) +static int err(struct merge_options *opt, const char *err, ...) { va_list params; - if (o->buffer_output < 2) - flush_output(o); + if (opt->buffer_output < 2) + flush_output(opt); else { - strbuf_complete(&o->obuf, '\n'); - strbuf_addstr(&o->obuf, "error: "); + strbuf_complete(&opt->obuf, '\n'); + strbuf_addstr(&opt->obuf, "error: "); } va_start(params, err); - strbuf_vaddf(&o->obuf, err, params); + strbuf_vaddf(&opt->obuf, err, params); va_end(params); - if (o->buffer_output > 1) - strbuf_addch(&o->obuf, '\n'); + if (opt->buffer_output > 1) + strbuf_addch(&opt->obuf, '\n'); else { - error("%s", o->obuf.buf); - strbuf_reset(&o->obuf); + error("%s", opt->obuf.buf); + strbuf_reset(&opt->obuf); } return -1; @@ -196,163 +196,148 @@ enum rename_type { RENAME_TWO_FILES_TO_ONE }; -struct rename_conflict_info { - enum rename_type rename_type; - struct diff_filepair *pair1; - struct diff_filepair *pair2; - const char *branch1; - const char *branch2; - struct stage_data *dst_entry1; - struct stage_data *dst_entry2; - struct diff_filespec ren1_other; - struct diff_filespec ren2_other; -}; - /* * Since we want to write the index eventually, we cannot reuse the index * for these (temporary) data. */ struct stage_data { - struct { - unsigned mode; - struct object_id oid; - } stages[4]; + struct diff_filespec stages[4]; /* mostly for oid & mode; maybe path */ struct rename_conflict_info *rename_conflict_info; unsigned processed:1; }; +struct rename { + unsigned processed:1; + struct diff_filepair *pair; + const char *branch; /* branch that the rename occurred on */ + /* + * If directory rename detection affected this rename, what was its + * original type ('A' or 'R') and it's original destination before + * the directory rename (otherwise, '\0' and NULL for these two vars). + */ + char dir_rename_original_type; + char *dir_rename_original_dest; + /* + * Purpose of src_entry and dst_entry: + * + * If 'before' is renamed to 'after' then src_entry will contain + * the versions of 'before' from the merge_base, HEAD, and MERGE in + * stages 1, 2, and 3; dst_entry will contain the respective + * versions of 'after' in corresponding locations. Thus, we have a + * total of six modes and oids, though some will be null. (Stage 0 + * is ignored; we're interested in handling conflicts.) + * + * Since we don't turn on break-rewrites by default, neither + * src_entry nor dst_entry can have all three of their stages have + * non-null oids, meaning at most four of the six will be non-null. + * Also, since this is a rename, both src_entry and dst_entry will + * have at least one non-null oid, meaning at least two will be + * non-null. Of the six oids, a typical rename will have three be + * non-null. Only two implies a rename/delete, and four implies a + * rename/add. + */ + struct stage_data *src_entry; + struct stage_data *dst_entry; +}; + +struct rename_conflict_info { + enum rename_type rename_type; + struct rename *ren1; + struct rename *ren2; +}; + static inline void setup_rename_conflict_info(enum rename_type rename_type, - struct diff_filepair *pair1, - struct diff_filepair *pair2, - const char *branch1, - const char *branch2, - struct stage_data *dst_entry1, - struct stage_data *dst_entry2, - struct merge_options *o, - struct stage_data *src_entry1, - struct stage_data *src_entry2) -{ - int ostage1 = 0, ostage2; + struct merge_options *opt, + struct rename *ren1, + struct rename *ren2) +{ struct rename_conflict_info *ci; /* * When we have two renames involved, it's easiest to get the * correct things into stage 2 and 3, and to make sure that the * content merge puts HEAD before the other branch if we just - * ensure that branch1 == o->branch1. So, simply flip arguments + * ensure that branch1 == opt->branch1. So, simply flip arguments * around if we don't have that. */ - if (dst_entry2 && branch1 != o->branch1) { - setup_rename_conflict_info(rename_type, - pair2, pair1, - branch2, branch1, - dst_entry2, dst_entry1, - o, - src_entry2, src_entry1); + if (ren2 && ren1->branch != opt->branch1) { + setup_rename_conflict_info(rename_type, opt, ren2, ren1); return; } ci = xcalloc(1, sizeof(struct rename_conflict_info)); ci->rename_type = rename_type; - ci->pair1 = pair1; - ci->branch1 = branch1; - ci->branch2 = branch2; + ci->ren1 = ren1; + ci->ren2 = ren2; - ci->dst_entry1 = dst_entry1; - dst_entry1->rename_conflict_info = ci; - dst_entry1->processed = 0; - - assert(!pair2 == !dst_entry2); - if (dst_entry2) { - ci->dst_entry2 = dst_entry2; - ci->pair2 = pair2; - dst_entry2->rename_conflict_info = ci; - } - - /* - * For each rename, there could have been - * modifications on the side of history where that - * file was not renamed. - */ - if (rename_type == RENAME_ADD || - rename_type == RENAME_TWO_FILES_TO_ONE) { - ostage1 = o->branch1 == branch1 ? 3 : 2; - - ci->ren1_other.path = pair1->one->path; - oidcpy(&ci->ren1_other.oid, &src_entry1->stages[ostage1].oid); - ci->ren1_other.mode = src_entry1->stages[ostage1].mode; - } - - if (rename_type == RENAME_TWO_FILES_TO_ONE) { - ostage2 = ostage1 ^ 1; - - ci->ren2_other.path = pair2->one->path; - oidcpy(&ci->ren2_other.oid, &src_entry2->stages[ostage2].oid); - ci->ren2_other.mode = src_entry2->stages[ostage2].mode; + ci->ren1->dst_entry->processed = 0; + ci->ren1->dst_entry->rename_conflict_info = ci; + if (ren2) { + ci->ren2->dst_entry->rename_conflict_info = ci; } } -static int show(struct merge_options *o, int v) +static int show(struct merge_options *opt, int v) { - return (!o->call_depth && o->verbosity >= v) || o->verbosity >= 5; + return (!opt->call_depth && opt->verbosity >= v) || opt->verbosity >= 5; } __attribute__((format (printf, 3, 4))) -static void output(struct merge_options *o, int v, const char *fmt, ...) +static void output(struct merge_options *opt, int v, const char *fmt, ...) { va_list ap; - if (!show(o, v)) + if (!show(opt, v)) return; - strbuf_addchars(&o->obuf, ' ', o->call_depth * 2); + strbuf_addchars(&opt->obuf, ' ', opt->call_depth * 2); va_start(ap, fmt); - strbuf_vaddf(&o->obuf, fmt, ap); + strbuf_vaddf(&opt->obuf, fmt, ap); va_end(ap); - strbuf_addch(&o->obuf, '\n'); - if (!o->buffer_output) - flush_output(o); + strbuf_addch(&opt->obuf, '\n'); + if (!opt->buffer_output) + flush_output(opt); } -static void output_commit_title(struct merge_options *o, struct commit *commit) +static void output_commit_title(struct merge_options *opt, struct commit *commit) { struct merge_remote_desc *desc; - strbuf_addchars(&o->obuf, ' ', o->call_depth * 2); + strbuf_addchars(&opt->obuf, ' ', opt->call_depth * 2); desc = merge_remote_util(commit); if (desc) - strbuf_addf(&o->obuf, "virtual %s\n", desc->name); + strbuf_addf(&opt->obuf, "virtual %s\n", desc->name); else { - strbuf_add_unique_abbrev(&o->obuf, &commit->object.oid, + strbuf_add_unique_abbrev(&opt->obuf, &commit->object.oid, DEFAULT_ABBREV); - strbuf_addch(&o->obuf, ' '); + strbuf_addch(&opt->obuf, ' '); if (parse_commit(commit) != 0) - strbuf_addstr(&o->obuf, _("(bad commit)\n")); + strbuf_addstr(&opt->obuf, _("(bad commit)\n")); else { const char *title; const char *msg = get_commit_buffer(commit, NULL); int len = find_commit_subject(msg, &title); if (len) - strbuf_addf(&o->obuf, "%.*s\n", len, title); + strbuf_addf(&opt->obuf, "%.*s\n", len, title); unuse_commit_buffer(commit, msg); } } - flush_output(o); + flush_output(opt); } -static int add_cacheinfo(struct merge_options *o, - unsigned int mode, const struct object_id *oid, +static int add_cacheinfo(struct merge_options *opt, + const struct diff_filespec *blob, const char *path, int stage, int refresh, int options) { - struct index_state *istate = o->repo->index; + struct index_state *istate = opt->repo->index; struct cache_entry *ce; int ret; - ce = make_cache_entry(istate, mode, oid ? oid : &null_oid, path, stage, 0); + ce = make_cache_entry(istate, blob->mode, &blob->oid, path, stage, 0); if (!ce) - return err(o, _("add_cacheinfo failed for path '%s'; merge aborting."), path); + return err(opt, _("add_cacheinfo failed for path '%s'; merge aborting."), path); ret = add_index_entry(istate, ce, options); if (refresh) { @@ -361,7 +346,7 @@ static int add_cacheinfo(struct merge_options *o, nce = refresh_cache_entry(istate, ce, CE_MATCH_REFRESH | CE_MATCH_IGNORE_MISSING); if (!nce) - return err(o, _("add_cacheinfo failed to refresh for path '%s'; merge aborting."), path); + return err(opt, _("add_cacheinfo failed to refresh for path '%s'; merge aborting."), path); if (nce != ce) ret = add_index_entry(istate, nce, options); } @@ -374,7 +359,7 @@ static void init_tree_desc_from_tree(struct tree_desc *desc, struct tree *tree) init_tree_desc(desc, tree->buffer, tree->size); } -static int unpack_trees_start(struct merge_options *o, +static int unpack_trees_start(struct merge_options *opt, struct tree *common, struct tree *head, struct tree *merge) @@ -383,49 +368,49 @@ static int unpack_trees_start(struct merge_options *o, struct tree_desc t[3]; struct index_state tmp_index = { NULL }; - memset(&o->unpack_opts, 0, sizeof(o->unpack_opts)); - if (o->call_depth) - o->unpack_opts.index_only = 1; + memset(&opt->unpack_opts, 0, sizeof(opt->unpack_opts)); + if (opt->call_depth) + opt->unpack_opts.index_only = 1; else - o->unpack_opts.update = 1; - o->unpack_opts.merge = 1; - o->unpack_opts.head_idx = 2; - o->unpack_opts.fn = threeway_merge; - o->unpack_opts.src_index = o->repo->index; - o->unpack_opts.dst_index = &tmp_index; - o->unpack_opts.aggressive = !merge_detect_rename(o); - setup_unpack_trees_porcelain(&o->unpack_opts, "merge"); + opt->unpack_opts.update = 1; + opt->unpack_opts.merge = 1; + opt->unpack_opts.head_idx = 2; + opt->unpack_opts.fn = threeway_merge; + opt->unpack_opts.src_index = opt->repo->index; + opt->unpack_opts.dst_index = &tmp_index; + opt->unpack_opts.aggressive = !merge_detect_rename(opt); + setup_unpack_trees_porcelain(&opt->unpack_opts, "merge"); init_tree_desc_from_tree(t+0, common); init_tree_desc_from_tree(t+1, head); init_tree_desc_from_tree(t+2, merge); - rc = unpack_trees(3, t, &o->unpack_opts); - cache_tree_free(&o->repo->index->cache_tree); + rc = unpack_trees(3, t, &opt->unpack_opts); + cache_tree_free(&opt->repo->index->cache_tree); /* - * Update o->repo->index to match the new results, AFTER saving a copy - * in o->orig_index. Update src_index to point to the saved copy. + * Update opt->repo->index to match the new results, AFTER saving a copy + * in opt->orig_index. Update src_index to point to the saved copy. * (verify_uptodate() checks src_index, and the original index is * the one that had the necessary modification timestamps.) */ - o->orig_index = *o->repo->index; - *o->repo->index = tmp_index; - o->unpack_opts.src_index = &o->orig_index; + opt->orig_index = *opt->repo->index; + *opt->repo->index = tmp_index; + opt->unpack_opts.src_index = &opt->orig_index; return rc; } -static void unpack_trees_finish(struct merge_options *o) +static void unpack_trees_finish(struct merge_options *opt) { - discard_index(&o->orig_index); - clear_unpack_trees_porcelain(&o->unpack_opts); + discard_index(&opt->orig_index); + clear_unpack_trees_porcelain(&opt->unpack_opts); } -struct tree *write_tree_from_memory(struct merge_options *o) +struct tree *write_tree_from_memory(struct merge_options *opt) { struct tree *result = NULL; - struct index_state *istate = o->repo->index; + struct index_state *istate = opt->repo->index; if (unmerged_index(istate)) { int i; @@ -444,11 +429,11 @@ struct tree *write_tree_from_memory(struct merge_options *o) if (!cache_tree_fully_valid(istate->cache_tree) && cache_tree_update(istate, 0) < 0) { - err(o, _("error building trees")); + err(opt, _("error building trees")); return NULL; } - result = lookup_tree(o->repo, &istate->cache_tree->oid); + result = lookup_tree(opt->repo, &istate->cache_tree->oid); return result; } @@ -459,37 +444,36 @@ static int save_files_dirs(const struct object_id *oid, { struct path_hashmap_entry *entry; int baselen = base->len; - struct merge_options *o = context; + struct merge_options *opt = context; strbuf_addstr(base, path); FLEX_ALLOC_MEM(entry, path, base->buf, base->len); hashmap_entry_init(entry, path_hash(entry->path)); - hashmap_add(&o->current_file_dir_set, entry); + hashmap_add(&opt->current_file_dir_set, entry); strbuf_setlen(base, baselen); return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0); } -static void get_files_dirs(struct merge_options *o, struct tree *tree) +static void get_files_dirs(struct merge_options *opt, struct tree *tree) { struct pathspec match_all; memset(&match_all, 0, sizeof(match_all)); read_tree_recursive(the_repository, tree, "", 0, 0, - &match_all, save_files_dirs, o); + &match_all, save_files_dirs, opt); } static int get_tree_entry_if_blob(const struct object_id *tree, const char *path, - struct object_id *hashy, - unsigned int *mode_o) + struct diff_filespec *dfs) { int ret; - ret = get_tree_entry(tree, path, hashy, mode_o); - if (S_ISDIR(*mode_o)) { - oidcpy(hashy, &null_oid); - *mode_o = 0; + ret = get_tree_entry(tree, path, &dfs->oid, &dfs->mode); + if (S_ISDIR(dfs->mode)) { + oidcpy(&dfs->oid, &null_oid); + dfs->mode = 0; } return ret; } @@ -504,12 +488,9 @@ static struct stage_data *insert_stage_data(const char *path, { struct string_list_item *item; struct stage_data *e = xcalloc(1, sizeof(struct stage_data)); - get_tree_entry_if_blob(&o->object.oid, path, - &e->stages[1].oid, &e->stages[1].mode); - get_tree_entry_if_blob(&a->object.oid, path, - &e->stages[2].oid, &e->stages[2].mode); - get_tree_entry_if_blob(&b->object.oid, path, - &e->stages[3].oid, &e->stages[3].mode); + get_tree_entry_if_blob(&o->object.oid, path, &e->stages[1]); + get_tree_entry_if_blob(&a->object.oid, path, &e->stages[2]); + get_tree_entry_if_blob(&b->object.oid, path, &e->stages[3]); item = string_list_insert(entries, path); item->util = e; return e; @@ -573,7 +554,7 @@ static int string_list_df_name_compare(const char *one, const char *two) return onelen - twolen; } -static void record_df_conflict_files(struct merge_options *o, +static void record_df_conflict_files(struct merge_options *opt, struct string_list *entries) { /* If there is a D/F conflict and the file for such a conflict @@ -598,7 +579,7 @@ static void record_df_conflict_files(struct merge_options *o, * If we're merging merge-bases, we don't want to bother with * any working directory changes. */ - if (o->call_depth) + if (opt->call_depth) return; /* Ensure D/F conflicts are adjacent in the entries list. */ @@ -610,7 +591,7 @@ static void record_df_conflict_files(struct merge_options *o, df_sorted_entries.cmp = string_list_df_name_compare; string_list_sort(&df_sorted_entries); - string_list_clear(&o->df_conflict_file_set, 1); + string_list_clear(&opt->df_conflict_file_set, 1); for (i = 0; i < df_sorted_entries.nr; i++) { const char *path = df_sorted_entries.items[i].string; int len = strlen(path); @@ -626,7 +607,7 @@ static void record_df_conflict_files(struct merge_options *o, len > last_len && memcmp(path, last_file, last_len) == 0 && path[last_len] == '/') { - string_list_insert(&o->df_conflict_file_set, last_file); + string_list_insert(&opt->df_conflict_file_set, last_file); } /* @@ -645,33 +626,6 @@ static void record_df_conflict_files(struct merge_options *o, string_list_clear(&df_sorted_entries, 0); } -struct rename { - struct diff_filepair *pair; - /* - * Purpose of src_entry and dst_entry: - * - * If 'before' is renamed to 'after' then src_entry will contain - * the versions of 'before' from the merge_base, HEAD, and MERGE in - * stages 1, 2, and 3; dst_entry will contain the respective - * versions of 'after' in corresponding locations. Thus, we have a - * total of six modes and oids, though some will be null. (Stage 0 - * is ignored; we're interested in handling conflicts.) - * - * Since we don't turn on break-rewrites by default, neither - * src_entry nor dst_entry can have all three of their stages have - * non-null oids, meaning at most four of the six will be non-null. - * Also, since this is a rename, both src_entry and dst_entry will - * have at least one non-null oid, meaning at least two will be - * non-null. Of the six oids, a typical rename will have three be - * non-null. Only two implies a rename/delete, and four implies a - * rename/add. - */ - struct stage_data *src_entry; - struct stage_data *dst_entry; - unsigned add_turned_into_rename:1; - unsigned processed:1; -}; - static int update_stages(struct merge_options *opt, const char *path, const struct diff_filespec *o, const struct diff_filespec *a, @@ -692,13 +646,13 @@ static int update_stages(struct merge_options *opt, const char *path, if (remove_file_from_index(opt->repo->index, path)) return -1; if (o) - if (add_cacheinfo(opt, o->mode, &o->oid, path, 1, 0, options)) + if (add_cacheinfo(opt, o, path, 1, 0, options)) return -1; if (a) - if (add_cacheinfo(opt, a->mode, &a->oid, path, 2, 0, options)) + if (add_cacheinfo(opt, a, path, 2, 0, options)) return -1; if (b) - if (add_cacheinfo(opt, b->mode, &b->oid, path, 3, 0, options)) + if (add_cacheinfo(opt, b, path, 3, 0, options)) return -1; return 0; } @@ -717,20 +671,20 @@ static void update_entry(struct stage_data *entry, oidcpy(&entry->stages[3].oid, &b->oid); } -static int remove_file(struct merge_options *o, int clean, +static int remove_file(struct merge_options *opt, int clean, const char *path, int no_wd) { - int update_cache = o->call_depth || clean; - int update_working_directory = !o->call_depth && !no_wd; + int update_cache = opt->call_depth || clean; + int update_working_directory = !opt->call_depth && !no_wd; if (update_cache) { - if (remove_file_from_index(o->repo->index, path)) + if (remove_file_from_index(opt->repo->index, path)) return -1; } if (update_working_directory) { if (ignore_case) { struct cache_entry *ce; - ce = index_file_exists(o->repo->index, path, strlen(path), + ce = index_file_exists(opt->repo->index, path, strlen(path), ignore_case); if (ce && ce_stage(ce) == 0 && strcmp(path, ce->name)) return 0; @@ -751,7 +705,7 @@ static void add_flattened_path(struct strbuf *out, const char *s) out->buf[i] = '_'; } -static char *unique_path(struct merge_options *o, const char *path, const char *branch) +static char *unique_path(struct merge_options *opt, const char *path, const char *branch) { struct path_hashmap_entry *entry; struct strbuf newpath = STRBUF_INIT; @@ -762,16 +716,16 @@ static char *unique_path(struct merge_options *o, const char *path, const char * add_flattened_path(&newpath, branch); base_len = newpath.len; - while (hashmap_get_from_hash(&o->current_file_dir_set, + while (hashmap_get_from_hash(&opt->current_file_dir_set, path_hash(newpath.buf), newpath.buf) || - (!o->call_depth && file_exists(newpath.buf))) { + (!opt->call_depth && file_exists(newpath.buf))) { strbuf_setlen(&newpath, base_len); strbuf_addf(&newpath, "_%d", suffix++); } FLEX_ALLOC_MEM(entry, path, newpath.buf, newpath.len); hashmap_entry_init(entry, path_hash(entry->path)); - hashmap_add(&o->current_file_dir_set, entry); + hashmap_add(&opt->current_file_dir_set, entry); return strbuf_detach(&newpath, NULL); } @@ -810,10 +764,10 @@ static int dir_in_way(struct index_state *istate, const char *path, * Returns whether path was tracked in the index before the merge started, * and its oid and mode match the specified values */ -static int was_tracked_and_matches(struct merge_options *o, const char *path, - const struct object_id *oid, unsigned mode) +static int was_tracked_and_matches(struct merge_options *opt, const char *path, + const struct diff_filespec *blob) { - int pos = index_name_pos(&o->orig_index, path, strlen(path)); + int pos = index_name_pos(&opt->orig_index, path, strlen(path)); struct cache_entry *ce; if (0 > pos) @@ -821,16 +775,16 @@ static int was_tracked_and_matches(struct merge_options *o, const char *path, return 0; /* See if the file we were tracking before matches */ - ce = o->orig_index.cache[pos]; - return (oid_eq(&ce->oid, oid) && ce->ce_mode == mode); + ce = opt->orig_index.cache[pos]; + return (oid_eq(&ce->oid, &blob->oid) && ce->ce_mode == blob->mode); } /* * Returns whether path was tracked in the index before the merge started */ -static int was_tracked(struct merge_options *o, const char *path) +static int was_tracked(struct merge_options *opt, const char *path) { - int pos = index_name_pos(&o->orig_index, path, strlen(path)); + int pos = index_name_pos(&opt->orig_index, path, strlen(path)); if (0 <= pos) /* we were tracking this path before the merge */ @@ -839,13 +793,13 @@ static int was_tracked(struct merge_options *o, const char *path) return 0; } -static int would_lose_untracked(struct merge_options *o, const char *path) +static int would_lose_untracked(struct merge_options *opt, const char *path) { - struct index_state *istate = o->repo->index; + struct index_state *istate = opt->repo->index; /* * This may look like it can be simplified to: - * return !was_tracked(o, path) && file_exists(path) + * return !was_tracked(opt, path) && file_exists(path) * but it can't. This function needs to know whether path was in * the working tree due to EITHER having been tracked in the index * before the merge OR having been put into the working copy and @@ -882,38 +836,38 @@ static int would_lose_untracked(struct merge_options *o, const char *path) return file_exists(path); } -static int was_dirty(struct merge_options *o, const char *path) +static int was_dirty(struct merge_options *opt, const char *path) { struct cache_entry *ce; int dirty = 1; - if (o->call_depth || !was_tracked(o, path)) + if (opt->call_depth || !was_tracked(opt, path)) return !dirty; - ce = index_file_exists(o->unpack_opts.src_index, + ce = index_file_exists(opt->unpack_opts.src_index, path, strlen(path), ignore_case); - dirty = verify_uptodate(ce, &o->unpack_opts) != 0; + dirty = verify_uptodate(ce, &opt->unpack_opts) != 0; return dirty; } -static int make_room_for_path(struct merge_options *o, const char *path) +static int make_room_for_path(struct merge_options *opt, const char *path) { int status, i; const char *msg = _("failed to create path '%s'%s"); /* Unlink any D/F conflict files that are in the way */ - for (i = 0; i < o->df_conflict_file_set.nr; i++) { - const char *df_path = o->df_conflict_file_set.items[i].string; + for (i = 0; i < opt->df_conflict_file_set.nr; i++) { + const char *df_path = opt->df_conflict_file_set.items[i].string; size_t pathlen = strlen(path); size_t df_pathlen = strlen(df_path); if (df_pathlen < pathlen && path[df_pathlen] == '/' && strncmp(path, df_path, df_pathlen) == 0) { - output(o, 3, + output(opt, 3, _("Removing %s to make room for subdirectory\n"), df_path); unlink(df_path); - unsorted_string_list_delete_item(&o->df_conflict_file_set, + unsorted_string_list_delete_item(&opt->df_conflict_file_set, i, 0); break; } @@ -924,16 +878,16 @@ static int make_room_for_path(struct merge_options *o, const char *path) if (status) { if (status == SCLD_EXISTS) /* something else exists */ - return err(o, msg, path, _(": perhaps a D/F conflict?")); - return err(o, msg, path, ""); + return err(opt, msg, path, _(": perhaps a D/F conflict?")); + return err(opt, msg, path, ""); } /* * Do not unlink a file in the work tree if we are not * tracking it. */ - if (would_lose_untracked(o, path)) - return err(o, _("refusing to lose untracked file at '%s'"), + if (would_lose_untracked(opt, path)) + return err(opt, _("refusing to lose untracked file at '%s'"), path); /* Successful unlink is good.. */ @@ -943,19 +897,18 @@ static int make_room_for_path(struct merge_options *o, const char *path) if (errno == ENOENT) return 0; /* .. but not some other error (who really cares what?) */ - return err(o, msg, path, _(": perhaps a D/F conflict?")); + return err(opt, msg, path, _(": perhaps a D/F conflict?")); } -static int update_file_flags(struct merge_options *o, - const struct object_id *oid, - unsigned mode, +static int update_file_flags(struct merge_options *opt, + const struct diff_filespec *contents, const char *path, int update_cache, int update_wd) { int ret = 0; - if (o->call_depth) + if (opt->call_depth) update_wd = 0; if (update_wd) { @@ -963,7 +916,7 @@ static int update_file_flags(struct merge_options *o, void *buf; unsigned long size; - if (S_ISGITLINK(mode)) { + if (S_ISGITLINK(contents->mode)) { /* * We may later decide to recursively descend into * the submodule directory and update its index @@ -973,84 +926,84 @@ static int update_file_flags(struct merge_options *o, goto update_index; } - buf = read_object_file(oid, &type, &size); + buf = read_object_file(&contents->oid, &type, &size); if (!buf) - return err(o, _("cannot read object %s '%s'"), oid_to_hex(oid), path); + return err(opt, _("cannot read object %s '%s'"), + oid_to_hex(&contents->oid), path); if (type != OBJ_BLOB) { - ret = err(o, _("blob expected for %s '%s'"), oid_to_hex(oid), path); + ret = err(opt, _("blob expected for %s '%s'"), + oid_to_hex(&contents->oid), path); goto free_buf; } - if (S_ISREG(mode)) { + if (S_ISREG(contents->mode)) { struct strbuf strbuf = STRBUF_INIT; - if (convert_to_working_tree(o->repo->index, path, buf, size, &strbuf)) { + if (convert_to_working_tree(opt->repo->index, path, buf, size, &strbuf)) { free(buf); size = strbuf.len; buf = strbuf_detach(&strbuf, NULL); } } - if (make_room_for_path(o, path) < 0) { + if (make_room_for_path(opt, path) < 0) { update_wd = 0; goto free_buf; } - if (S_ISREG(mode) || (!has_symlinks && S_ISLNK(mode))) { + if (S_ISREG(contents->mode) || + (!has_symlinks && S_ISLNK(contents->mode))) { int fd; - if (mode & 0100) - mode = 0777; - else - mode = 0666; + int mode = (contents->mode & 0100 ? 0777 : 0666); + fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode); if (fd < 0) { - ret = err(o, _("failed to open '%s': %s"), + ret = err(opt, _("failed to open '%s': %s"), path, strerror(errno)); goto free_buf; } write_in_full(fd, buf, size); close(fd); - } else if (S_ISLNK(mode)) { + } else if (S_ISLNK(contents->mode)) { char *lnk = xmemdupz(buf, size); safe_create_leading_directories_const(path); unlink(path); if (symlink(lnk, path)) - ret = err(o, _("failed to symlink '%s': %s"), + ret = err(opt, _("failed to symlink '%s': %s"), path, strerror(errno)); free(lnk); } else - ret = err(o, + ret = err(opt, _("do not know what to do with %06o %s '%s'"), - mode, oid_to_hex(oid), path); + contents->mode, oid_to_hex(&contents->oid), path); free_buf: free(buf); } update_index: if (!ret && update_cache) - if (add_cacheinfo(o, mode, oid, path, 0, update_wd, + if (add_cacheinfo(opt, contents, path, 0, update_wd, ADD_CACHE_OK_TO_ADD)) return -1; return ret; } -static int update_file(struct merge_options *o, +static int update_file(struct merge_options *opt, int clean, - const struct object_id *oid, - unsigned mode, + const struct diff_filespec *contents, const char *path) { - return update_file_flags(o, oid, mode, path, o->call_depth || clean, !o->call_depth); + return update_file_flags(opt, contents, path, + opt->call_depth || clean, !opt->call_depth); } /* Low level file merging, update and removal */ struct merge_file_info { - struct object_id oid; - unsigned mode; + struct diff_filespec blob; /* mostly use oid & mode; sometimes path */ unsigned clean:1, merge:1; }; -static int merge_3way(struct merge_options *o, +static int merge_3way(struct merge_options *opt, mmbuffer_t *result_buf, - const struct diff_filespec *one, + const struct diff_filespec *o, const struct diff_filespec *a, const struct diff_filespec *b, const char *branch1, @@ -1062,15 +1015,15 @@ static int merge_3way(struct merge_options *o, char *base_name, *name1, *name2; int merge_status; - ll_opts.renormalize = o->renormalize; + ll_opts.renormalize = opt->renormalize; ll_opts.extra_marker_size = extra_marker_size; - ll_opts.xdl_opts = o->xdl_opts; + ll_opts.xdl_opts = opt->xdl_opts; - if (o->call_depth) { + if (opt->call_depth) { ll_opts.virtual_ancestor = 1; ll_opts.variant = 0; } else { - switch (o->recursive_variant) { + switch (opt->recursive_variant) { case MERGE_RECURSIVE_OURS: ll_opts.variant = XDL_MERGE_FAVOR_OURS; break; @@ -1083,26 +1036,27 @@ static int merge_3way(struct merge_options *o, } } + assert(a->path && b->path); if (strcmp(a->path, b->path) || - (o->ancestor != NULL && strcmp(a->path, one->path) != 0)) { - base_name = o->ancestor == NULL ? NULL : - mkpathdup("%s:%s", o->ancestor, one->path); + (opt->ancestor != NULL && strcmp(a->path, o->path) != 0)) { + base_name = opt->ancestor == NULL ? NULL : + mkpathdup("%s:%s", opt->ancestor, o->path); name1 = mkpathdup("%s:%s", branch1, a->path); name2 = mkpathdup("%s:%s", branch2, b->path); } else { - base_name = o->ancestor == NULL ? NULL : - mkpathdup("%s", o->ancestor); + base_name = opt->ancestor == NULL ? NULL : + mkpathdup("%s", opt->ancestor); name1 = mkpathdup("%s", branch1); name2 = mkpathdup("%s", branch2); } - read_mmblob(&orig, &one->oid); + read_mmblob(&orig, &o->oid); read_mmblob(&src1, &a->oid); read_mmblob(&src2, &b->oid); merge_status = ll_merge(result_buf, a->path, &orig, base_name, &src1, name1, &src2, name2, - o->repo->index, &ll_opts); + opt->repo->index, &ll_opts); free(base_name); free(name1); @@ -1184,7 +1138,12 @@ static void print_commit(struct commit *commit) strbuf_release(&sb); } -static int merge_submodule(struct merge_options *o, +static int is_valid(const struct diff_filespec *dfs) +{ + return dfs->mode != 0 && !is_null_oid(&dfs->oid); +} + +static int merge_submodule(struct merge_options *opt, struct object_id *result, const char *path, const struct object_id *base, const struct object_id *a, const struct object_id *b) @@ -1194,7 +1153,7 @@ static int merge_submodule(struct merge_options *o, struct object_array merges; int i; - int search = !o->call_depth; + int search = !opt->call_depth; /* store a in result in case we fail */ oidcpy(result, a); @@ -1208,32 +1167,32 @@ static int merge_submodule(struct merge_options *o, return 0; if (add_submodule_odb(path)) { - output(o, 1, _("Failed to merge submodule %s (not checked out)"), path); + output(opt, 1, _("Failed to merge submodule %s (not checked out)"), path); return 0; } - if (!(commit_base = lookup_commit_reference(o->repo, base)) || - !(commit_a = lookup_commit_reference(o->repo, a)) || - !(commit_b = lookup_commit_reference(o->repo, b))) { - output(o, 1, _("Failed to merge submodule %s (commits not present)"), path); + if (!(commit_base = lookup_commit_reference(opt->repo, base)) || + !(commit_a = lookup_commit_reference(opt->repo, a)) || + !(commit_b = lookup_commit_reference(opt->repo, b))) { + output(opt, 1, _("Failed to merge submodule %s (commits not present)"), path); return 0; } /* check whether both changes are forward */ if (!in_merge_bases(commit_base, commit_a) || !in_merge_bases(commit_base, commit_b)) { - output(o, 1, _("Failed to merge submodule %s (commits don't follow merge-base)"), path); + output(opt, 1, _("Failed to merge submodule %s (commits don't follow merge-base)"), path); return 0; } /* Case #1: a is contained in b or vice versa */ if (in_merge_bases(commit_a, commit_b)) { oidcpy(result, b); - if (show(o, 3)) { - output(o, 3, _("Fast-forwarding submodule %s to the following commit:"), path); - output_commit_title(o, commit_b); - } else if (show(o, 2)) - output(o, 2, _("Fast-forwarding submodule %s"), path); + if (show(opt, 3)) { + output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); + output_commit_title(opt, commit_b); + } else if (show(opt, 2)) + output(opt, 2, _("Fast-forwarding submodule %s"), path); else ; /* no output */ @@ -1241,11 +1200,11 @@ static int merge_submodule(struct merge_options *o, } if (in_merge_bases(commit_b, commit_a)) { oidcpy(result, a); - if (show(o, 3)) { - output(o, 3, _("Fast-forwarding submodule %s to the following commit:"), path); - output_commit_title(o, commit_a); - } else if (show(o, 2)) - output(o, 2, _("Fast-forwarding submodule %s"), path); + if (show(opt, 3)) { + output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); + output_commit_title(opt, commit_a); + } else if (show(opt, 2)) + output(opt, 2, _("Fast-forwarding submodule %s"), path); else ; /* no output */ @@ -1264,18 +1223,18 @@ static int merge_submodule(struct merge_options *o, return 0; /* find commit which merges them */ - parent_count = find_first_merges(o->repo, &merges, path, + parent_count = find_first_merges(opt->repo, &merges, path, commit_a, commit_b); switch (parent_count) { case 0: - output(o, 1, _("Failed to merge submodule %s (merge following commits not found)"), path); + output(opt, 1, _("Failed to merge submodule %s (merge following commits not found)"), path); break; case 1: - output(o, 1, _("Failed to merge submodule %s (not fast-forward)"), path); - output(o, 2, _("Found a possible merge resolution for the submodule:\n")); + output(opt, 1, _("Failed to merge submodule %s (not fast-forward)"), path); + output(opt, 2, _("Found a possible merge resolution for the submodule:\n")); print_commit((struct commit *) merges.objects[0].item); - output(o, 2, _( + output(opt, 2, _( "If this is correct simply add it to the index " "for example\n" "by using:\n\n" @@ -1285,7 +1244,7 @@ static int merge_submodule(struct merge_options *o, break; default: - output(o, 1, _("Failed to merge submodule %s (multiple merges found)"), path); + output(opt, 1, _("Failed to merge submodule %s (multiple merges found)"), path); for (i = 0; i < merges.nr; i++) print_commit((struct commit *) merges.objects[i].item); } @@ -1294,8 +1253,8 @@ static int merge_submodule(struct merge_options *o, return 0; } -static int merge_mode_and_contents(struct merge_options *o, - const struct diff_filespec *one, +static int merge_mode_and_contents(struct merge_options *opt, + const struct diff_filespec *o, const struct diff_filespec *a, const struct diff_filespec *b, const char *filename, @@ -1304,13 +1263,13 @@ static int merge_mode_and_contents(struct merge_options *o, const int extra_marker_size, struct merge_file_info *result) { - if (o->branch1 != branch1) { + if (opt->branch1 != branch1) { /* * It's weird getting a reverse merge with HEAD on the bottom * side of the conflict markers and the other branch on the * top. Fix that. */ - return merge_mode_and_contents(o, one, b, a, + return merge_mode_and_contents(opt, o, b, a, filename, branch2, branch1, extra_marker_size, result); @@ -1322,48 +1281,48 @@ static int merge_mode_and_contents(struct merge_options *o, if ((S_IFMT & a->mode) != (S_IFMT & b->mode)) { result->clean = 0; if (S_ISREG(a->mode)) { - result->mode = a->mode; - oidcpy(&result->oid, &a->oid); + result->blob.mode = a->mode; + oidcpy(&result->blob.oid, &a->oid); } else { - result->mode = b->mode; - oidcpy(&result->oid, &b->oid); + result->blob.mode = b->mode; + oidcpy(&result->blob.oid, &b->oid); } } else { - if (!oid_eq(&a->oid, &one->oid) && !oid_eq(&b->oid, &one->oid)) + if (!oid_eq(&a->oid, &o->oid) && !oid_eq(&b->oid, &o->oid)) result->merge = 1; /* * Merge modes */ - if (a->mode == b->mode || a->mode == one->mode) - result->mode = b->mode; + if (a->mode == b->mode || a->mode == o->mode) + result->blob.mode = b->mode; else { - result->mode = a->mode; - if (b->mode != one->mode) { + result->blob.mode = a->mode; + if (b->mode != o->mode) { result->clean = 0; result->merge = 1; } } - if (oid_eq(&a->oid, &b->oid) || oid_eq(&a->oid, &one->oid)) - oidcpy(&result->oid, &b->oid); - else if (oid_eq(&b->oid, &one->oid)) - oidcpy(&result->oid, &a->oid); + if (oid_eq(&a->oid, &b->oid) || oid_eq(&a->oid, &o->oid)) + oidcpy(&result->blob.oid, &b->oid); + else if (oid_eq(&b->oid, &o->oid)) + oidcpy(&result->blob.oid, &a->oid); else if (S_ISREG(a->mode)) { mmbuffer_t result_buf; int ret = 0, merge_status; - merge_status = merge_3way(o, &result_buf, one, a, b, + merge_status = merge_3way(opt, &result_buf, o, a, b, branch1, branch2, extra_marker_size); if ((merge_status < 0) || !result_buf.ptr) - ret = err(o, _("Failed to execute internal merge")); + ret = err(opt, _("Failed to execute internal merge")); if (!ret && write_object_file(result_buf.ptr, result_buf.size, - blob_type, &result->oid)) - ret = err(o, _("Unable to add %s to database"), + blob_type, &result->blob.oid)) + ret = err(opt, _("Unable to add %s to database"), a->path); free(result_buf.ptr); @@ -1371,23 +1330,23 @@ static int merge_mode_and_contents(struct merge_options *o, return ret; result->clean = (merge_status == 0); } else if (S_ISGITLINK(a->mode)) { - result->clean = merge_submodule(o, &result->oid, - one->path, - &one->oid, + result->clean = merge_submodule(opt, &result->blob.oid, + o->path, + &o->oid, &a->oid, &b->oid); } else if (S_ISLNK(a->mode)) { - switch (o->recursive_variant) { + switch (opt->recursive_variant) { case MERGE_RECURSIVE_NORMAL: - oidcpy(&result->oid, &a->oid); + oidcpy(&result->blob.oid, &a->oid); if (!oid_eq(&a->oid, &b->oid)) result->clean = 0; break; case MERGE_RECURSIVE_OURS: - oidcpy(&result->oid, &a->oid); + oidcpy(&result->blob.oid, &a->oid); break; case MERGE_RECURSIVE_THEIRS: - oidcpy(&result->oid, &b->oid); + oidcpy(&result->blob.oid, &b->oid); break; } } else @@ -1395,14 +1354,13 @@ static int merge_mode_and_contents(struct merge_options *o, } if (result->merge) - output(o, 2, _("Auto-merging %s"), filename); + output(opt, 2, _("Auto-merging %s"), filename); return 0; } -static int handle_rename_via_dir(struct merge_options *o, - struct diff_filepair *pair, - const char *rename_branch) +static int handle_rename_via_dir(struct merge_options *opt, + struct rename_conflict_info *ci) { /* * Handle file adds that need to be renamed due to directory rename @@ -1410,38 +1368,47 @@ static int handle_rename_via_dir(struct merge_options *o, * there is no content merge to do; just move the file into the * desired final location. */ - const struct diff_filespec *dest = pair->two; + const struct rename *ren = ci->ren1; + const struct diff_filespec *dest = ren->pair->two; + char *file_path = dest->path; + int mark_conflicted = (opt->detect_directory_renames == 1); + assert(ren->dir_rename_original_dest); - if (!o->call_depth && would_lose_untracked(o, dest->path)) { - char *alt_path = unique_path(o, dest->path, rename_branch); + if (!opt->call_depth && would_lose_untracked(opt, dest->path)) { + mark_conflicted = 1; + file_path = unique_path(opt, dest->path, ren->branch); + output(opt, 1, _("Error: Refusing to lose untracked file at %s; " + "writing to %s instead."), + dest->path, file_path); + } - output(o, 1, _("Error: Refusing to lose untracked file at %s; " - "writing to %s instead."), - dest->path, alt_path); + if (mark_conflicted) { /* - * Write the file in worktree at alt_path, but not in the - * index. Instead, write to dest->path for the index but - * only at the higher appropriate stage. + * Write the file in worktree at file_path. In the index, + * only record the file at dest->path in the appropriate + * higher stage. */ - if (update_file(o, 0, &dest->oid, dest->mode, alt_path)) + if (update_file(opt, 0, dest, file_path)) return -1; - free(alt_path); - return update_stages(o, dest->path, NULL, - rename_branch == o->branch1 ? dest : NULL, - rename_branch == o->branch1 ? NULL : dest); + if (file_path != dest->path) + free(file_path); + if (update_stages(opt, dest->path, NULL, + ren->branch == opt->branch1 ? dest : NULL, + ren->branch == opt->branch1 ? NULL : dest)) + return -1; + return 0; /* not clean, but conflicted */ + } else { + /* Update dest->path both in index and in worktree */ + if (update_file(opt, 1, dest, dest->path)) + return -1; + return 1; /* clean */ } - - /* Update dest->path both in index and in worktree */ - if (update_file(o, 1, &dest->oid, dest->mode, dest->path)) - return -1; - return 0; } -static int handle_change_delete(struct merge_options *o, +static int handle_change_delete(struct merge_options *opt, const char *path, const char *old_path, - const struct object_id *o_oid, int o_mode, - const struct object_id *changed_oid, - int changed_mode, + const struct diff_filespec *o, + const struct diff_filespec *changed, const char *change_branch, const char *delete_branch, const char *change, const char *change_past) @@ -1450,20 +1417,20 @@ static int handle_change_delete(struct merge_options *o, const char *update_path = path; int ret = 0; - if (dir_in_way(o->repo->index, path, !o->call_depth, 0) || - (!o->call_depth && would_lose_untracked(o, path))) { - update_path = alt_path = unique_path(o, path, change_branch); + if (dir_in_way(opt->repo->index, path, !opt->call_depth, 0) || + (!opt->call_depth && would_lose_untracked(opt, path))) { + update_path = alt_path = unique_path(opt, path, change_branch); } - if (o->call_depth) { + if (opt->call_depth) { /* * We cannot arbitrarily accept either a_sha or b_sha as * correct; since there is no true "middle point" between * them, simply reuse the base version for virtual merge base. */ - ret = remove_file_from_index(o->repo->index, path); + ret = remove_file_from_index(opt->repo->index, path); if (!ret) - ret = update_file(o, 0, o_oid, o_mode, update_path); + ret = update_file(opt, 0, o, update_path); } else { /* * Despite the four nearly duplicate messages and argument @@ -1482,24 +1449,24 @@ static int handle_change_delete(struct merge_options *o, */ if (!alt_path) { if (!old_path) { - output(o, 1, _("CONFLICT (%s/delete): %s deleted in %s " + output(opt, 1, _("CONFLICT (%s/delete): %s deleted in %s " "and %s in %s. Version %s of %s left in tree."), change, path, delete_branch, change_past, change_branch, change_branch, path); } else { - output(o, 1, _("CONFLICT (%s/delete): %s deleted in %s " + output(opt, 1, _("CONFLICT (%s/delete): %s deleted in %s " "and %s to %s in %s. Version %s of %s left in tree."), change, old_path, delete_branch, change_past, path, change_branch, change_branch, path); } } else { if (!old_path) { - output(o, 1, _("CONFLICT (%s/delete): %s deleted in %s " + output(opt, 1, _("CONFLICT (%s/delete): %s deleted in %s " "and %s in %s. Version %s of %s left in tree at %s."), change, path, delete_branch, change_past, change_branch, change_branch, path, alt_path); } else { - output(o, 1, _("CONFLICT (%s/delete): %s deleted in %s " + output(opt, 1, _("CONFLICT (%s/delete): %s deleted in %s " "and %s to %s in %s. Version %s of %s left in tree at %s."), change, old_path, delete_branch, change_past, path, change_branch, change_branch, path, alt_path); @@ -1507,142 +1474,127 @@ static int handle_change_delete(struct merge_options *o, } /* * No need to call update_file() on path when change_branch == - * o->branch1 && !alt_path, since that would needlessly touch + * opt->branch1 && !alt_path, since that would needlessly touch * path. We could call update_file_flags() with update_cache=0 * and update_wd=0, but that's a no-op. */ - if (change_branch != o->branch1 || alt_path) - ret = update_file(o, 0, changed_oid, changed_mode, update_path); + if (change_branch != opt->branch1 || alt_path) + ret = update_file(opt, 0, changed, update_path); } free(alt_path); return ret; } -static int handle_rename_delete(struct merge_options *o, - struct diff_filepair *pair, - const char *rename_branch, - const char *delete_branch) +static int handle_rename_delete(struct merge_options *opt, + struct rename_conflict_info *ci) { - const struct diff_filespec *orig = pair->one; - const struct diff_filespec *dest = pair->two; - - if (handle_change_delete(o, - o->call_depth ? orig->path : dest->path, - o->call_depth ? NULL : orig->path, - &orig->oid, orig->mode, - &dest->oid, dest->mode, + const struct rename *ren = ci->ren1; + const struct diff_filespec *orig = ren->pair->one; + const struct diff_filespec *dest = ren->pair->two; + const char *rename_branch = ren->branch; + const char *delete_branch = (opt->branch1 == ren->branch ? + opt->branch2 : opt->branch1); + + if (handle_change_delete(opt, + opt->call_depth ? orig->path : dest->path, + opt->call_depth ? NULL : orig->path, + orig, dest, rename_branch, delete_branch, _("rename"), _("renamed"))) return -1; - if (o->call_depth) - return remove_file_from_index(o->repo->index, dest->path); + if (opt->call_depth) + return remove_file_from_index(opt->repo->index, dest->path); else - return update_stages(o, dest->path, NULL, - rename_branch == o->branch1 ? dest : NULL, - rename_branch == o->branch1 ? NULL : dest); + return update_stages(opt, dest->path, NULL, + rename_branch == opt->branch1 ? dest : NULL, + rename_branch == opt->branch1 ? NULL : dest); } -static struct diff_filespec *filespec_from_entry(struct diff_filespec *target, - struct stage_data *entry, - int stage) -{ - struct object_id *oid = &entry->stages[stage].oid; - unsigned mode = entry->stages[stage].mode; - if (mode == 0 || is_null_oid(oid)) - return NULL; - oidcpy(&target->oid, oid); - target->mode = mode; - return target; -} - -static int handle_file_collision(struct merge_options *o, +static int handle_file_collision(struct merge_options *opt, const char *collide_path, const char *prev_path1, const char *prev_path2, const char *branch1, const char *branch2, - const struct object_id *a_oid, - unsigned int a_mode, - const struct object_id *b_oid, - unsigned int b_mode) + struct diff_filespec *a, + struct diff_filespec *b) { struct merge_file_info mfi; - struct diff_filespec null, a, b; + struct diff_filespec null; char *alt_path = NULL; const char *update_path = collide_path; /* * It's easiest to get the correct things into stage 2 and 3, and * to make sure that the content merge puts HEAD before the other - * branch if we just ensure that branch1 == o->branch1. So, simply + * branch if we just ensure that branch1 == opt->branch1. So, simply * flip arguments around if we don't have that. */ - if (branch1 != o->branch1) { - return handle_file_collision(o, collide_path, + if (branch1 != opt->branch1) { + return handle_file_collision(opt, collide_path, prev_path2, prev_path1, branch2, branch1, - b_oid, b_mode, - a_oid, a_mode); + b, a); } /* * In the recursive case, we just opt to undo renames */ - if (o->call_depth && (prev_path1 || prev_path2)) { - /* Put first file (a_oid, a_mode) in its original spot */ + if (opt->call_depth && (prev_path1 || prev_path2)) { + /* Put first file (a->oid, a->mode) in its original spot */ if (prev_path1) { - if (update_file(o, 1, a_oid, a_mode, prev_path1)) + if (update_file(opt, 1, a, prev_path1)) return -1; } else { - if (update_file(o, 1, a_oid, a_mode, collide_path)) + if (update_file(opt, 1, a, collide_path)) return -1; } - /* Put second file (b_oid, b_mode) in its original spot */ + /* Put second file (b->oid, b->mode) in its original spot */ if (prev_path2) { - if (update_file(o, 1, b_oid, b_mode, prev_path2)) + if (update_file(opt, 1, b, prev_path2)) return -1; } else { - if (update_file(o, 1, b_oid, b_mode, collide_path)) + if (update_file(opt, 1, b, collide_path)) return -1; } /* Don't leave something at collision path if unrenaming both */ if (prev_path1 && prev_path2) - remove_file(o, 1, collide_path, 0); + remove_file(opt, 1, collide_path, 0); return 0; } /* Remove rename sources if rename/add or rename/rename(2to1) */ if (prev_path1) - remove_file(o, 1, prev_path1, - o->call_depth || would_lose_untracked(o, prev_path1)); + remove_file(opt, 1, prev_path1, + opt->call_depth || would_lose_untracked(opt, prev_path1)); if (prev_path2) - remove_file(o, 1, prev_path2, - o->call_depth || would_lose_untracked(o, prev_path2)); + remove_file(opt, 1, prev_path2, + opt->call_depth || would_lose_untracked(opt, prev_path2)); /* * Remove the collision path, if it wouldn't cause dirty contents * or an untracked file to get lost. We'll either overwrite with * merged contents, or just write out to differently named files. */ - if (was_dirty(o, collide_path)) { - output(o, 1, _("Refusing to lose dirty file at %s"), + if (was_dirty(opt, collide_path)) { + output(opt, 1, _("Refusing to lose dirty file at %s"), collide_path); - update_path = alt_path = unique_path(o, collide_path, "merged"); - } else if (would_lose_untracked(o, collide_path)) { + update_path = alt_path = unique_path(opt, collide_path, "merged"); + } else if (would_lose_untracked(opt, collide_path)) { /* * Only way we get here is if both renames were from * a directory rename AND user had an untracked file * at the location where both files end up after the * two directory renames. See testcase 10d of t6043. */ - output(o, 1, _("Refusing to lose untracked file at " + output(opt, 1, _("Refusing to lose untracked file at " "%s, even though it's in the way."), collide_path); - update_path = alt_path = unique_path(o, collide_path, "merged"); + update_path = alt_path = unique_path(opt, collide_path, "merged"); } else { /* * FIXME: It's possible that the two files are identical @@ -1654,30 +1606,22 @@ static int handle_file_collision(struct merge_options *o, * merge-recursive interoperate anyway, so punting for * now... */ - remove_file(o, 0, collide_path, 0); + remove_file(opt, 0, collide_path, 0); } /* Store things in diff_filespecs for functions that need it */ - memset(&a, 0, sizeof(struct diff_filespec)); - memset(&b, 0, sizeof(struct diff_filespec)); - null.path = a.path = b.path = (char *)collide_path; + null.path = (char *)collide_path; oidcpy(&null.oid, &null_oid); null.mode = 0; - oidcpy(&a.oid, a_oid); - a.mode = a_mode; - a.oid_valid = 1; - oidcpy(&b.oid, b_oid); - b.mode = b_mode; - b.oid_valid = 1; - - if (merge_mode_and_contents(o, &null, &a, &b, collide_path, - branch1, branch2, o->call_depth * 2, &mfi)) + + if (merge_mode_and_contents(opt, &null, a, b, collide_path, + branch1, branch2, opt->call_depth * 2, &mfi)) return -1; mfi.clean &= !alt_path; - if (update_file(o, mfi.clean, &mfi.oid, mfi.mode, update_path)) + if (update_file(opt, mfi.clean, &mfi.blob, update_path)) return -1; - if (!mfi.clean && !o->call_depth && - update_stages(o, collide_path, NULL, &a, &b)) + if (!mfi.clean && !opt->call_depth && + update_stages(opt, collide_path, NULL, a, b)) return -1; free(alt_path); /* @@ -1690,52 +1634,57 @@ static int handle_file_collision(struct merge_options *o, return mfi.clean; } -static int handle_rename_add(struct merge_options *o, +static int handle_rename_add(struct merge_options *opt, struct rename_conflict_info *ci) { /* a was renamed to c, and a separate c was added. */ - struct diff_filespec *a = ci->pair1->one; - struct diff_filespec *c = ci->pair1->two; + struct diff_filespec *a = ci->ren1->pair->one; + struct diff_filespec *c = ci->ren1->pair->two; char *path = c->path; char *prev_path_desc; struct merge_file_info mfi; - int other_stage = (ci->branch1 == o->branch1 ? 3 : 2); + const char *rename_branch = ci->ren1->branch; + const char *add_branch = (opt->branch1 == rename_branch ? + opt->branch2 : opt->branch1); + int other_stage = (ci->ren1->branch == opt->branch1 ? 3 : 2); - output(o, 1, _("CONFLICT (rename/add): " + output(opt, 1, _("CONFLICT (rename/add): " "Rename %s->%s in %s. Added %s in %s"), - a->path, c->path, ci->branch1, - c->path, ci->branch2); + a->path, c->path, rename_branch, + c->path, add_branch); prev_path_desc = xstrfmt("version of %s from %s", path, a->path); - if (merge_mode_and_contents(o, a, c, &ci->ren1_other, prev_path_desc, - o->branch1, o->branch2, - 1 + o->call_depth * 2, &mfi)) + if (merge_mode_and_contents(opt, a, c, + &ci->ren1->src_entry->stages[other_stage], + prev_path_desc, + opt->branch1, opt->branch2, + 1 + opt->call_depth * 2, &mfi)) return -1; free(prev_path_desc); - return handle_file_collision(o, + ci->ren1->dst_entry->stages[other_stage].path = mfi.blob.path = c->path; + return handle_file_collision(opt, c->path, a->path, NULL, - ci->branch1, ci->branch2, - &mfi.oid, mfi.mode, - &ci->dst_entry1->stages[other_stage].oid, - ci->dst_entry1->stages[other_stage].mode); + rename_branch, add_branch, + &mfi.blob, + &ci->ren1->dst_entry->stages[other_stage]); } -static char *find_path_for_conflict(struct merge_options *o, +static char *find_path_for_conflict(struct merge_options *opt, const char *path, const char *branch1, const char *branch2) { char *new_path = NULL; - if (dir_in_way(o->repo->index, path, !o->call_depth, 0)) { - new_path = unique_path(o, path, branch1); - output(o, 1, _("%s is a directory in %s adding " + if (dir_in_way(opt->repo->index, path, !opt->call_depth, 0)) { + new_path = unique_path(opt, path, branch1); + output(opt, 1, _("%s is a directory in %s adding " "as %s instead"), path, branch2, new_path); - } else if (would_lose_untracked(o, path)) { - new_path = unique_path(o, path, branch1); - output(o, 1, _("Refusing to lose untracked file" + } else if (would_lose_untracked(opt, path)) { + new_path = unique_path(opt, path, branch1); + output(opt, 1, _("Refusing to lose untracked file" " at %s; adding as %s instead"), path, new_path); } @@ -1743,41 +1692,40 @@ static char *find_path_for_conflict(struct merge_options *o, return new_path; } -static int handle_rename_rename_1to2(struct merge_options *o, +static int handle_rename_rename_1to2(struct merge_options *opt, struct rename_conflict_info *ci) { /* One file was renamed in both branches, but to different names. */ struct merge_file_info mfi; - struct diff_filespec other; struct diff_filespec *add; - struct diff_filespec *one = ci->pair1->one; - struct diff_filespec *a = ci->pair1->two; - struct diff_filespec *b = ci->pair2->two; + struct diff_filespec *o = ci->ren1->pair->one; + struct diff_filespec *a = ci->ren1->pair->two; + struct diff_filespec *b = ci->ren2->pair->two; char *path_desc; - output(o, 1, _("CONFLICT (rename/rename): " + output(opt, 1, _("CONFLICT (rename/rename): " "Rename \"%s\"->\"%s\" in branch \"%s\" " "rename \"%s\"->\"%s\" in \"%s\"%s"), - one->path, a->path, ci->branch1, - one->path, b->path, ci->branch2, - o->call_depth ? _(" (left unresolved)") : ""); + o->path, a->path, ci->ren1->branch, + o->path, b->path, ci->ren2->branch, + opt->call_depth ? _(" (left unresolved)") : ""); path_desc = xstrfmt("%s and %s, both renamed from %s", - a->path, b->path, one->path); - if (merge_mode_and_contents(o, one, a, b, path_desc, - ci->branch1, ci->branch2, - o->call_depth * 2, &mfi)) + a->path, b->path, o->path); + if (merge_mode_and_contents(opt, o, a, b, path_desc, + ci->ren1->branch, ci->ren2->branch, + opt->call_depth * 2, &mfi)) return -1; free(path_desc); - if (o->call_depth) { + if (opt->call_depth) { /* * FIXME: For rename/add-source conflicts (if we could detect * such), this is wrong. We should instead find a unique * pathname and then either rename the add-source file to that * unique path, or use that unique path instead of src here. */ - if (update_file(o, 0, &mfi.oid, mfi.mode, one->path)) + if (update_file(opt, 0, &mfi.blob, o->path)) return -1; /* @@ -1788,61 +1736,65 @@ static int handle_rename_rename_1to2(struct merge_options *o, * such cases, we should keep the added file around, * resolving the conflict at that path in its favor. */ - add = filespec_from_entry(&other, ci->dst_entry1, 2 ^ 1); - if (add) { - if (update_file(o, 0, &add->oid, add->mode, a->path)) + add = &ci->ren1->dst_entry->stages[2 ^ 1]; + if (is_valid(add)) { + if (update_file(opt, 0, add, a->path)) return -1; } else - remove_file_from_index(o->repo->index, a->path); - add = filespec_from_entry(&other, ci->dst_entry2, 3 ^ 1); - if (add) { - if (update_file(o, 0, &add->oid, add->mode, b->path)) + remove_file_from_index(opt->repo->index, a->path); + add = &ci->ren2->dst_entry->stages[3 ^ 1]; + if (is_valid(add)) { + if (update_file(opt, 0, add, b->path)) return -1; } else - remove_file_from_index(o->repo->index, b->path); + remove_file_from_index(opt->repo->index, b->path); } else { /* * For each destination path, we need to see if there is a * rename/add collision. If not, we can write the file out * to the specified location. */ - add = filespec_from_entry(&other, ci->dst_entry1, 2 ^ 1); - if (add) { - if (handle_file_collision(o, a->path, + add = &ci->ren1->dst_entry->stages[2 ^ 1]; + if (is_valid(add)) { + add->path = mfi.blob.path = a->path; + if (handle_file_collision(opt, a->path, NULL, NULL, - ci->branch1, ci->branch2, - &mfi.oid, mfi.mode, - &add->oid, add->mode) < 0) + ci->ren1->branch, + ci->ren2->branch, + &mfi.blob, add) < 0) return -1; } else { - char *new_path = find_path_for_conflict(o, a->path, - ci->branch1, - ci->branch2); - if (update_file(o, 0, &mfi.oid, mfi.mode, new_path ? new_path : a->path)) + char *new_path = find_path_for_conflict(opt, a->path, + ci->ren1->branch, + ci->ren2->branch); + if (update_file(opt, 0, &mfi.blob, + new_path ? new_path : a->path)) return -1; free(new_path); - if (update_stages(o, a->path, NULL, a, NULL)) + if (update_stages(opt, a->path, NULL, a, NULL)) return -1; } - add = filespec_from_entry(&other, ci->dst_entry2, 3 ^ 1); - if (add) { - if (handle_file_collision(o, b->path, + add = &ci->ren2->dst_entry->stages[3 ^ 1]; + if (is_valid(add)) { + add->path = mfi.blob.path = b->path; + if (handle_file_collision(opt, b->path, NULL, NULL, - ci->branch1, ci->branch2, - &add->oid, add->mode, - &mfi.oid, mfi.mode) < 0) + ci->ren1->branch, + ci->ren2->branch, + add, &mfi.blob) < 0) return -1; } else { - char *new_path = find_path_for_conflict(o, b->path, - ci->branch2, - ci->branch1); - if (update_file(o, 0, &mfi.oid, mfi.mode, new_path ? new_path : b->path)) + char *new_path = find_path_for_conflict(opt, b->path, + ci->ren2->branch, + ci->ren1->branch); + if (update_file(opt, 0, &mfi.blob, + new_path ? new_path : b->path)) return -1; free(new_path); - if (update_stages(o, b->path, NULL, NULL, b)) + if (update_stages(opt, b->path, NULL, NULL, b)) return -1; } } @@ -1850,58 +1802,68 @@ static int handle_rename_rename_1to2(struct merge_options *o, return 0; } -static int handle_rename_rename_2to1(struct merge_options *o, +static int handle_rename_rename_2to1(struct merge_options *opt, struct rename_conflict_info *ci) { /* Two files, a & b, were renamed to the same thing, c. */ - struct diff_filespec *a = ci->pair1->one; - struct diff_filespec *b = ci->pair2->one; - struct diff_filespec *c1 = ci->pair1->two; - struct diff_filespec *c2 = ci->pair2->two; + struct diff_filespec *a = ci->ren1->pair->one; + struct diff_filespec *b = ci->ren2->pair->one; + struct diff_filespec *c1 = ci->ren1->pair->two; + struct diff_filespec *c2 = ci->ren2->pair->two; char *path = c1->path; /* == c2->path */ char *path_side_1_desc; char *path_side_2_desc; struct merge_file_info mfi_c1; struct merge_file_info mfi_c2; + int ostage1, ostage2; - output(o, 1, _("CONFLICT (rename/rename): " + output(opt, 1, _("CONFLICT (rename/rename): " "Rename %s->%s in %s. " "Rename %s->%s in %s"), - a->path, c1->path, ci->branch1, - b->path, c2->path, ci->branch2); + a->path, c1->path, ci->ren1->branch, + b->path, c2->path, ci->ren2->branch); path_side_1_desc = xstrfmt("version of %s from %s", path, a->path); path_side_2_desc = xstrfmt("version of %s from %s", path, b->path); - if (merge_mode_and_contents(o, a, c1, &ci->ren1_other, path_side_1_desc, - o->branch1, o->branch2, - 1 + o->call_depth * 2, &mfi_c1) || - merge_mode_and_contents(o, b, &ci->ren2_other, c2, path_side_2_desc, - o->branch1, o->branch2, - 1 + o->call_depth * 2, &mfi_c2)) + ostage1 = ci->ren1->branch == opt->branch1 ? 3 : 2; + ostage2 = ostage1 ^ 1; + ci->ren1->src_entry->stages[ostage1].path = a->path; + ci->ren2->src_entry->stages[ostage2].path = b->path; + if (merge_mode_and_contents(opt, a, c1, + &ci->ren1->src_entry->stages[ostage1], + path_side_1_desc, + opt->branch1, opt->branch2, + 1 + opt->call_depth * 2, &mfi_c1) || + merge_mode_and_contents(opt, b, + &ci->ren2->src_entry->stages[ostage2], + c2, path_side_2_desc, + opt->branch1, opt->branch2, + 1 + opt->call_depth * 2, &mfi_c2)) return -1; free(path_side_1_desc); free(path_side_2_desc); + mfi_c1.blob.path = path; + mfi_c2.blob.path = path; - return handle_file_collision(o, path, a->path, b->path, - ci->branch1, ci->branch2, - &mfi_c1.oid, mfi_c1.mode, - &mfi_c2.oid, mfi_c2.mode); + return handle_file_collision(opt, path, a->path, b->path, + ci->ren1->branch, ci->ren2->branch, + &mfi_c1.blob, &mfi_c2.blob); } /* * Get the diff_filepairs changed between o_tree and tree. */ -static struct diff_queue_struct *get_diffpairs(struct merge_options *o, +static struct diff_queue_struct *get_diffpairs(struct merge_options *opt, struct tree *o_tree, struct tree *tree) { struct diff_queue_struct *ret; struct diff_options opts; - repo_diff_setup(o->repo, &opts); + repo_diff_setup(opt->repo, &opts); opts.flags.recursive = 1; opts.flags.rename_empty = 0; - opts.detect_rename = merge_detect_rename(o); + opts.detect_rename = merge_detect_rename(opt); /* * We do not have logic to handle the detection of copies. In * fact, it may not even make sense to add such logic: would we @@ -1910,17 +1872,17 @@ static struct diff_queue_struct *get_diffpairs(struct merge_options *o, */ if (opts.detect_rename > DIFF_DETECT_RENAME) opts.detect_rename = DIFF_DETECT_RENAME; - opts.rename_limit = o->merge_rename_limit >= 0 ? o->merge_rename_limit : - o->diff_rename_limit >= 0 ? o->diff_rename_limit : + opts.rename_limit = opt->merge_rename_limit >= 0 ? opt->merge_rename_limit : + opt->diff_rename_limit >= 0 ? opt->diff_rename_limit : 1000; - opts.rename_score = o->rename_score; - opts.show_rename_progress = o->show_rename_progress; + opts.rename_score = opt->rename_score; + opts.show_rename_progress = opt->show_rename_progress; opts.output_format = DIFF_FORMAT_NO_OUTPUT; diff_setup_done(&opts); diff_tree_oid(&o_tree->object.oid, &tree->object.oid, "", &opts); diffcore_std(&opts); - if (opts.needed_rename_limit > o->needed_rename_limit) - o->needed_rename_limit = opts.needed_rename_limit; + if (opts.needed_rename_limit > opt->needed_rename_limit) + opt->needed_rename_limit = opts.needed_rename_limit; ret = xmalloc(sizeof(*ret)); *ret = diff_queued_diff; @@ -1935,7 +1897,7 @@ static struct diff_queue_struct *get_diffpairs(struct merge_options *o, static int tree_has_path(struct tree *tree, const char *path) { struct object_id hashy; - unsigned int mode_o; + unsigned short mode_o; return !get_tree_entry(&tree->object.oid, path, &hashy, &mode_o); @@ -2039,7 +2001,7 @@ static void remove_hashmap_entries(struct hashmap *dir_renames, * level conflicts for the renamed location. If there is a rename and * there are no conflicts, return the new name. Otherwise, return NULL. */ -static char *handle_path_level_conflicts(struct merge_options *o, +static char *handle_path_level_conflicts(struct merge_options *opt, const char *path, struct dir_rename_entry *entry, struct hashmap *collisions, @@ -2060,7 +2022,7 @@ static char *handle_path_level_conflicts(struct merge_options *o, /* This should only happen when entry->non_unique_new_dir set */ if (!entry->non_unique_new_dir) BUG("entry->non_unqiue_dir not set and !new_path"); - output(o, 1, _("CONFLICT (directory rename split): " + output(opt, 1, _("CONFLICT (directory rename split): " "Unclear where to place %s because directory " "%s was renamed to multiple other directories, " "with no destination getting a majority of the " @@ -2092,7 +2054,7 @@ static char *handle_path_level_conflicts(struct merge_options *o, collision_ent->reported_already = 1; strbuf_add_separated_string_list(&collision_paths, ", ", &collision_ent->source_files); - output(o, 1, _("CONFLICT (implicit dir rename): Existing " + output(opt, 1, _("CONFLICT (implicit dir rename): Existing " "file/dir at %s in the way of implicit " "directory rename(s) putting the following " "path(s) there: %s."), @@ -2102,7 +2064,7 @@ static char *handle_path_level_conflicts(struct merge_options *o, collision_ent->reported_already = 1; strbuf_add_separated_string_list(&collision_paths, ", ", &collision_ent->source_files); - output(o, 1, _("CONFLICT (implicit dir rename): Cannot map " + output(opt, 1, _("CONFLICT (implicit dir rename): Cannot map " "more than one path to %s; implicit directory " "renames tried to put these paths there: %s"), new_path, collision_paths.buf); @@ -2139,7 +2101,7 @@ static char *handle_path_level_conflicts(struct merge_options *o, * causes conflicts for files within those merged directories, then * that should be detected at the individual path level. */ -static void handle_directory_level_conflicts(struct merge_options *o, +static void handle_directory_level_conflicts(struct merge_options *opt, struct hashmap *dir_re_head, struct tree *head, struct hashmap *dir_re_merge, @@ -2194,11 +2156,11 @@ static void handle_directory_level_conflicts(struct merge_options *o, * know that head_ent->new_dir and merge_ent->new_dir * are different strings. */ - output(o, 1, _("CONFLICT (rename/rename): " + output(opt, 1, _("CONFLICT (rename/rename): " "Rename directory %s->%s in %s. " "Rename directory %s->%s in %s"), - head_ent->dir, head_ent->new_dir.buf, o->branch1, - head_ent->dir, merge_ent->new_dir.buf, o->branch2); + head_ent->dir, head_ent->new_dir.buf, opt->branch1, + head_ent->dir, merge_ent->new_dir.buf, opt->branch2); string_list_append(&remove_from_head, head_ent->dir)->util = head_ent; strbuf_release(&head_ent->new_dir); @@ -2397,7 +2359,7 @@ static void compute_collisions(struct hashmap *collisions, } } -static char *check_for_directory_rename(struct merge_options *o, +static char *check_for_directory_rename(struct merge_options *opt, const char *path, struct tree *tree, struct hashmap *dir_renames, @@ -2438,11 +2400,11 @@ static char *check_for_directory_rename(struct merge_options *o, */ oentry = dir_rename_find_entry(dir_rename_exclusions, entry->new_dir.buf); if (oentry) { - output(o, 1, _("WARNING: Avoiding applying %s -> %s rename " + output(opt, 1, _("WARNING: Avoiding applying %s -> %s rename " "to %s, because %s itself was renamed."), entry->dir, entry->new_dir.buf, path, entry->new_dir.buf); } else { - new_path = handle_path_level_conflicts(o, path, entry, + new_path = handle_path_level_conflicts(opt, path, entry, collisions, tree); *clean_merge &= (new_path != NULL); } @@ -2450,7 +2412,7 @@ static char *check_for_directory_rename(struct merge_options *o, return new_path; } -static void apply_directory_rename_modifications(struct merge_options *o, +static void apply_directory_rename_modifications(struct merge_options *opt, struct diff_filepair *pair, char *new_path, struct rename *re, @@ -2473,11 +2435,11 @@ static void apply_directory_rename_modifications(struct merge_options *o, * saying the file would have been overwritten), but it might * be dirty, though. */ - update_wd = !was_dirty(o, pair->two->path); + update_wd = !was_dirty(opt, pair->two->path); if (!update_wd) - output(o, 1, _("Refusing to lose dirty file at %s"), + output(opt, 1, _("Refusing to lose dirty file at %s"), pair->two->path); - remove_file(o, 1, pair->two->path, !update_wd); + remove_file(opt, 1, pair->two->path, !update_wd); /* Find or create a new re->dst_entry */ item = string_list_lookup(entries, new_path); @@ -2537,16 +2499,18 @@ static void apply_directory_rename_modifications(struct merge_options *o, &re->dst_entry->stages[stage].oid, &re->dst_entry->stages[stage].mode); - /* Update pair status */ - if (pair->status == 'A') { - /* - * Recording rename information for this add makes it look - * like a rename/delete conflict. Make sure we can - * correctly handle this as an add that was moved to a new - * directory instead of reporting a rename/delete conflict. - */ - re->add_turned_into_rename = 1; - } + /* + * Record the original change status (or 'type' of change). If it + * was originally an add ('A'), this lets us differentiate later + * between a RENAME_DELETE conflict and RENAME_VIA_DIR (they + * otherwise look the same). If it was originally a rename ('R'), + * this lets us remember and report accurately about the transitive + * renaming that occurred via the directory rename detection. Also, + * record the original destination name. + */ + re->dir_rename_original_type = pair->status; + re->dir_rename_original_dest = pair->two->path; + /* * We don't actually look at pair->status again, but it seems * pedagogically correct to adjust it. @@ -2566,7 +2530,8 @@ static void apply_directory_rename_modifications(struct merge_options *o, * to be able to associate the correct cache entries with the rename * information; tree is always equal to either a_tree or b_tree. */ -static struct string_list *get_renames(struct merge_options *o, +static struct string_list *get_renames(struct merge_options *opt, + const char *branch, struct diff_queue_struct *pairs, struct hashmap *dir_renames, struct hashmap *dir_rename_exclusions, @@ -2596,7 +2561,7 @@ static struct string_list *get_renames(struct merge_options *o, diff_free_filepair(pair); continue; } - new_path = check_for_directory_rename(o, pair->two->path, tree, + new_path = check_for_directory_rename(opt, pair->two->path, tree, dir_renames, dir_rename_exclusions, &collisions, @@ -2608,8 +2573,10 @@ static struct string_list *get_renames(struct merge_options *o, re = xmalloc(sizeof(*re)); re->processed = 0; - re->add_turned_into_rename = 0; re->pair = pair; + re->branch = branch; + re->dir_rename_original_type = '\0'; + re->dir_rename_original_dest = NULL; item = string_list_lookup(entries, re->pair->one->path); if (!item) re->src_entry = insert_stage_data(re->pair->one->path, @@ -2626,7 +2593,7 @@ static struct string_list *get_renames(struct merge_options *o, item = string_list_insert(renames, pair->one->path); item->util = re; if (new_path) - apply_directory_rename_modifications(o, pair, new_path, + apply_directory_rename_modifications(opt, pair, new_path, re, tree, o_tree, a_tree, b_tree, entries); @@ -2641,7 +2608,7 @@ static struct string_list *get_renames(struct merge_options *o, return renames; } -static int process_renames(struct merge_options *o, +static int process_renames(struct merge_options *opt, struct string_list *a_renames, struct string_list *b_renames) { @@ -2664,7 +2631,6 @@ static int process_renames(struct merge_options *o, for (i = 0, j = 0; i < a_renames->nr || j < b_renames->nr;) { struct string_list *renames1, *renames2Dst; struct rename *ren1 = NULL, *ren2 = NULL; - const char *branch1, *branch2; const char *ren1_src, *ren1_dst; struct string_list_item *lookup; @@ -2685,13 +2651,9 @@ static int process_renames(struct merge_options *o, if (ren1) { renames1 = a_renames; renames2Dst = &b_by_dst; - branch1 = o->branch1; - branch2 = o->branch2; } else { renames1 = b_renames; renames2Dst = &a_by_dst; - branch1 = o->branch2; - branch2 = o->branch1; SWAP(ren2, ren1); } @@ -2725,22 +2687,13 @@ static int process_renames(struct merge_options *o, * the base stage (think of rename + * add-source cases). */ - remove_file(o, 1, ren1_src, 1); + remove_file(opt, 1, ren1_src, 1); update_entry(ren1->dst_entry, ren1->pair->one, ren1->pair->two, ren2->pair->two); } - setup_rename_conflict_info(rename_type, - ren1->pair, - ren2->pair, - branch1, - branch2, - ren1->dst_entry, - ren2->dst_entry, - o, - NULL, - NULL); + setup_rename_conflict_info(rename_type, opt, ren1, ren2); } else if ((lookup = string_list_lookup(renames2Dst, ren1_dst))) { /* Two different files renamed to the same thing */ char *ren2_dst; @@ -2759,16 +2712,7 @@ static int process_renames(struct merge_options *o, ren2->src_entry->processed = 1; setup_rename_conflict_info(RENAME_TWO_FILES_TO_ONE, - ren1->pair, - ren2->pair, - branch1, - branch2, - ren1->dst_entry, - ren2->dst_entry, - o, - ren1->src_entry, - ren2->src_entry); - + opt, ren1, ren2); } else { /* Renamed in 1, maybe changed in 2 */ /* we only use sha1 and mode of these */ @@ -2788,8 +2732,8 @@ static int process_renames(struct merge_options *o, * stage and in other_stage (think of rename + * add-source case). */ - remove_file(o, 1, ren1_src, - renamed_stage == 2 || !was_tracked(o, ren1_src)); + remove_file(opt, 1, ren1_src, + renamed_stage == 2 || !was_tracked(opt, ren1_src)); oidcpy(&src_other.oid, &ren1->src_entry->stages[other_stage].oid); @@ -2800,28 +2744,12 @@ static int process_renames(struct merge_options *o, try_merge = 0; if (oid_eq(&src_other.oid, &null_oid) && - ren1->add_turned_into_rename) { + ren1->dir_rename_original_type == 'A') { setup_rename_conflict_info(RENAME_VIA_DIR, - ren1->pair, - NULL, - branch1, - branch2, - ren1->dst_entry, - NULL, - o, - NULL, - NULL); + opt, ren1, NULL); } else if (oid_eq(&src_other.oid, &null_oid)) { setup_rename_conflict_info(RENAME_DELETE, - ren1->pair, - NULL, - branch1, - branch2, - ren1->dst_entry, - NULL, - o, - NULL, - NULL); + opt, ren1, NULL); } else if ((dst_other.mode == ren1->pair->two->mode) && oid_eq(&dst_other.oid, &ren1->pair->two->oid)) { /* @@ -2832,9 +2760,8 @@ static int process_renames(struct merge_options *o, * update_file_flags() instead of * update_file(). */ - if (update_file_flags(o, - &ren1->pair->two->oid, - ren1->pair->two->mode, + if (update_file_flags(opt, + ren1->pair->two, ren1_dst, 1, /* update_cache */ 0 /* update_wd */)) @@ -2848,25 +2775,17 @@ static int process_renames(struct merge_options *o, * file, then the merge will be clean. */ setup_rename_conflict_info(RENAME_ADD, - ren1->pair, - NULL, - branch1, - branch2, - ren1->dst_entry, - NULL, - o, - ren1->src_entry, - NULL); + opt, ren1, NULL); } else try_merge = 1; if (clean_merge < 0) goto cleanup_and_return; if (try_merge) { - struct diff_filespec *one, *a, *b; + struct diff_filespec *o, *a, *b; src_other.path = (char *)ren1_src; - one = ren1->pair->one; + o = ren1->pair->one; if (a_renames == renames1) { a = ren1->pair->two; b = &src_other; @@ -2874,17 +2793,9 @@ static int process_renames(struct merge_options *o, b = ren1->pair->two; a = &src_other; } - update_entry(ren1->dst_entry, one, a, b); + update_entry(ren1->dst_entry, o, a, b); setup_rename_conflict_info(RENAME_NORMAL, - ren1->pair, - NULL, - branch1, - NULL, - ren1->dst_entry, - NULL, - o, - NULL, - NULL); + opt, ren1, NULL); } } } @@ -2919,7 +2830,7 @@ static void initial_cleanup_rename(struct diff_queue_struct *pairs, free(pairs); } -static int detect_and_process_renames(struct merge_options *o, +static int detect_and_process_renames(struct merge_options *opt, struct tree *common, struct tree *head, struct tree *merge, @@ -2933,17 +2844,17 @@ static int detect_and_process_renames(struct merge_options *o, ri->head_renames = NULL; ri->merge_renames = NULL; - if (!merge_detect_rename(o)) + if (!merge_detect_rename(opt)) return 1; - head_pairs = get_diffpairs(o, common, head); - merge_pairs = get_diffpairs(o, common, merge); + head_pairs = get_diffpairs(opt, common, head); + merge_pairs = get_diffpairs(opt, common, merge); - if (o->detect_directory_renames) { + if (opt->detect_directory_renames) { dir_re_head = get_directory_renames(head_pairs); dir_re_merge = get_directory_renames(merge_pairs); - handle_directory_level_conflicts(o, + handle_directory_level_conflicts(opt, dir_re_head, head, dir_re_merge, merge); } else { @@ -2953,19 +2864,19 @@ static int detect_and_process_renames(struct merge_options *o, dir_rename_init(dir_re_merge); } - ri->head_renames = get_renames(o, head_pairs, + ri->head_renames = get_renames(opt, opt->branch1, head_pairs, dir_re_merge, dir_re_head, head, common, head, merge, entries, &clean); if (clean < 0) goto cleanup; - ri->merge_renames = get_renames(o, merge_pairs, + ri->merge_renames = get_renames(opt, opt->branch2, merge_pairs, dir_re_head, dir_re_merge, merge, common, head, merge, entries, &clean); if (clean < 0) goto cleanup; - clean &= process_renames(o, ri->head_renames, ri->merge_renames); + clean &= process_renames(opt, ri->head_renames, ri->merge_renames); cleanup: /* @@ -3001,12 +2912,7 @@ static void final_cleanup_renames(struct rename_info *re_info) final_cleanup_rename(re_info->merge_renames); } -static struct object_id *stage_oid(const struct object_id *oid, unsigned mode) -{ - return (is_null_oid(oid) || mode == 0) ? NULL: (struct object_id *)oid; -} - -static int read_oid_strbuf(struct merge_options *o, +static int read_oid_strbuf(struct merge_options *opt, const struct object_id *oid, struct strbuf *dst) { @@ -3015,130 +2921,99 @@ static int read_oid_strbuf(struct merge_options *o, unsigned long size; buf = read_object_file(oid, &type, &size); if (!buf) - return err(o, _("cannot read object %s"), oid_to_hex(oid)); + return err(opt, _("cannot read object %s"), oid_to_hex(oid)); if (type != OBJ_BLOB) { free(buf); - return err(o, _("object %s is not a blob"), oid_to_hex(oid)); + return err(opt, _("object %s is not a blob"), oid_to_hex(oid)); } strbuf_attach(dst, buf, size, size + 1); return 0; } static int blob_unchanged(struct merge_options *opt, - const struct object_id *o_oid, - unsigned o_mode, - const struct object_id *a_oid, - unsigned a_mode, + const struct diff_filespec *o, + const struct diff_filespec *a, int renormalize, const char *path) { - struct strbuf o = STRBUF_INIT; - struct strbuf a = STRBUF_INIT; + struct strbuf obuf = STRBUF_INIT; + struct strbuf abuf = STRBUF_INIT; int ret = 0; /* assume changed for safety */ + const struct index_state *idx = opt->repo->index; - if (a_mode != o_mode) + if (a->mode != o->mode) return 0; - if (oid_eq(o_oid, a_oid)) + if (oid_eq(&o->oid, &a->oid)) return 1; if (!renormalize) return 0; - assert(o_oid && a_oid); - if (read_oid_strbuf(opt, o_oid, &o) || read_oid_strbuf(opt, a_oid, &a)) + if (read_oid_strbuf(opt, &o->oid, &obuf) || + read_oid_strbuf(opt, &a->oid, &abuf)) goto error_return; /* * Note: binary | is used so that both renormalizations are * performed. Comparison can be skipped if both files are * unchanged since their sha1s have already been compared. */ - if (renormalize_buffer(opt->repo->index, path, o.buf, o.len, &o) | - renormalize_buffer(opt->repo->index, path, a.buf, a.len, &a)) - ret = (o.len == a.len && !memcmp(o.buf, a.buf, o.len)); + if (renormalize_buffer(idx, path, obuf.buf, obuf.len, &obuf) | + renormalize_buffer(idx, path, abuf.buf, abuf.len, &abuf)) + ret = (obuf.len == abuf.len && !memcmp(obuf.buf, abuf.buf, obuf.len)); error_return: - strbuf_release(&o); - strbuf_release(&a); + strbuf_release(&obuf); + strbuf_release(&abuf); return ret; } -static int handle_modify_delete(struct merge_options *o, +static int handle_modify_delete(struct merge_options *opt, const char *path, - struct object_id *o_oid, int o_mode, - struct object_id *a_oid, int a_mode, - struct object_id *b_oid, int b_mode) + const struct diff_filespec *o, + const struct diff_filespec *a, + const struct diff_filespec *b) { const char *modify_branch, *delete_branch; - struct object_id *changed_oid; - int changed_mode; - - if (a_oid) { - modify_branch = o->branch1; - delete_branch = o->branch2; - changed_oid = a_oid; - changed_mode = a_mode; + const struct diff_filespec *changed; + + if (is_valid(a)) { + modify_branch = opt->branch1; + delete_branch = opt->branch2; + changed = a; } else { - modify_branch = o->branch2; - delete_branch = o->branch1; - changed_oid = b_oid; - changed_mode = b_mode; + modify_branch = opt->branch2; + delete_branch = opt->branch1; + changed = b; } - return handle_change_delete(o, + return handle_change_delete(opt, path, NULL, - o_oid, o_mode, - changed_oid, changed_mode, + o, changed, modify_branch, delete_branch, _("modify"), _("modified")); } -static int handle_content_merge(struct merge_options *o, +static int handle_content_merge(struct merge_file_info *mfi, + struct merge_options *opt, const char *path, int is_dirty, - struct object_id *o_oid, int o_mode, - struct object_id *a_oid, int a_mode, - struct object_id *b_oid, int b_mode, - struct rename_conflict_info *rename_conflict_info) + const struct diff_filespec *o, + const struct diff_filespec *a, + const struct diff_filespec *b, + struct rename_conflict_info *ci) { const char *reason = _("content"); - const char *path1 = NULL, *path2 = NULL; - struct merge_file_info mfi; - struct diff_filespec one, a, b; unsigned df_conflict_remains = 0; - if (!o_oid) { + if (!is_valid(o)) reason = _("add/add"); - o_oid = (struct object_id *)&null_oid; - } - one.path = a.path = b.path = (char *)path; - oidcpy(&one.oid, o_oid); - one.mode = o_mode; - oidcpy(&a.oid, a_oid); - a.mode = a_mode; - oidcpy(&b.oid, b_oid); - b.mode = b_mode; - - if (rename_conflict_info) { - struct diff_filepair *pair1 = rename_conflict_info->pair1; - - path1 = (o->branch1 == rename_conflict_info->branch1) ? - pair1->two->path : pair1->one->path; - /* If rename_conflict_info->pair2 != NULL, we are in - * RENAME_ONE_FILE_TO_ONE case. Otherwise, we have a - * normal rename. - */ - path2 = (rename_conflict_info->pair2 || - o->branch2 == rename_conflict_info->branch1) ? - pair1->two->path : pair1->one->path; - one.path = pair1->one->path; - a.path = (char *)path1; - b.path = (char *)path2; - - if (dir_in_way(o->repo->index, path, !o->call_depth, - S_ISGITLINK(pair1->two->mode))) - df_conflict_remains = 1; - } - if (merge_mode_and_contents(o, &one, &a, &b, path, - o->branch1, o->branch2, - o->call_depth * 2, &mfi)) + + assert(o->path && a->path && b->path); + if (ci && dir_in_way(opt->repo->index, path, !opt->call_depth, + S_ISGITLINK(ci->ren1->pair->two->mode))) + df_conflict_remains = 1; + + if (merge_mode_and_contents(opt, o, a, b, path, + opt->branch1, opt->branch2, + opt->call_depth * 2, mfi)) return -1; /* @@ -3147,15 +3022,14 @@ static int handle_content_merge(struct merge_options *o, * b) The merge matches what was in HEAD (content, mode, pathname) * c) The target path is usable (i.e. not involved in D/F conflict) */ - if (mfi.clean && - was_tracked_and_matches(o, path, &mfi.oid, mfi.mode) && + if (mfi->clean && was_tracked_and_matches(opt, path, &mfi->blob) && !df_conflict_remains) { int pos; struct cache_entry *ce; - output(o, 3, _("Skipped %s (merged same as existing)"), path); - if (add_cacheinfo(o, mfi.mode, &mfi.oid, path, - 0, (!o->call_depth && !is_dirty), 0)) + output(opt, 3, _("Skipped %s (merged same as existing)"), path); + if (add_cacheinfo(opt, &mfi->blob, path, + 0, (!opt->call_depth && !is_dirty), 0)) return -1; /* * However, add_cacheinfo() will delete the old cache entry @@ -3163,109 +3037,196 @@ static int handle_content_merge(struct merge_options *o, * flag to avoid making the file appear as if it were * deleted by the user. */ - pos = index_name_pos(&o->orig_index, path, strlen(path)); - ce = o->orig_index.cache[pos]; + pos = index_name_pos(&opt->orig_index, path, strlen(path)); + ce = opt->orig_index.cache[pos]; if (ce_skip_worktree(ce)) { - pos = index_name_pos(o->repo->index, path, strlen(path)); - ce = o->repo->index->cache[pos]; + pos = index_name_pos(opt->repo->index, path, strlen(path)); + ce = opt->repo->index->cache[pos]; ce->ce_flags |= CE_SKIP_WORKTREE; } - return mfi.clean; + return mfi->clean; } - if (!mfi.clean) { - if (S_ISGITLINK(mfi.mode)) + if (!mfi->clean) { + if (S_ISGITLINK(mfi->blob.mode)) reason = _("submodule"); - output(o, 1, _("CONFLICT (%s): Merge conflict in %s"), + output(opt, 1, _("CONFLICT (%s): Merge conflict in %s"), reason, path); - if (rename_conflict_info && !df_conflict_remains) - if (update_stages(o, path, &one, &a, &b)) + if (ci && !df_conflict_remains) + if (update_stages(opt, path, o, a, b)) return -1; } if (df_conflict_remains || is_dirty) { char *new_path; - if (o->call_depth) { - remove_file_from_index(o->repo->index, path); + if (opt->call_depth) { + remove_file_from_index(opt->repo->index, path); } else { - if (!mfi.clean) { - if (update_stages(o, path, &one, &a, &b)) + if (!mfi->clean) { + if (update_stages(opt, path, o, a, b)) return -1; } else { - int file_from_stage2 = was_tracked(o, path); - struct diff_filespec merged; - oidcpy(&merged.oid, &mfi.oid); - merged.mode = mfi.mode; - - if (update_stages(o, path, NULL, - file_from_stage2 ? &merged : NULL, - file_from_stage2 ? NULL : &merged)) + int file_from_stage2 = was_tracked(opt, path); + + if (update_stages(opt, path, NULL, + file_from_stage2 ? &mfi->blob : NULL, + file_from_stage2 ? NULL : &mfi->blob)) return -1; } } - new_path = unique_path(o, path, rename_conflict_info->branch1); + new_path = unique_path(opt, path, ci->ren1->branch); if (is_dirty) { - output(o, 1, _("Refusing to lose dirty file at %s"), + output(opt, 1, _("Refusing to lose dirty file at %s"), path); } - output(o, 1, _("Adding as %s instead"), new_path); - if (update_file(o, 0, &mfi.oid, mfi.mode, new_path)) { + output(opt, 1, _("Adding as %s instead"), new_path); + if (update_file(opt, 0, &mfi->blob, new_path)) { free(new_path); return -1; } free(new_path); - mfi.clean = 0; - } else if (update_file(o, mfi.clean, &mfi.oid, mfi.mode, path)) + mfi->clean = 0; + } else if (update_file(opt, mfi->clean, &mfi->blob, path)) return -1; - return !is_dirty && mfi.clean; + return !is_dirty && mfi->clean; } -static int handle_rename_normal(struct merge_options *o, +static int handle_rename_normal(struct merge_options *opt, const char *path, - struct object_id *o_oid, unsigned int o_mode, - struct object_id *a_oid, unsigned int a_mode, - struct object_id *b_oid, unsigned int b_mode, + const struct diff_filespec *o, + const struct diff_filespec *a, + const struct diff_filespec *b, struct rename_conflict_info *ci) { + struct rename *ren = ci->ren1; + struct merge_file_info mfi; + int clean; + int side = (ren->branch == opt->branch1 ? 2 : 3); + /* Merge the content and write it out */ - return handle_content_merge(o, path, was_dirty(o, path), - o_oid, o_mode, a_oid, a_mode, b_oid, b_mode, - ci); + clean = handle_content_merge(&mfi, opt, path, was_dirty(opt, path), + o, a, b, ci); + + if (clean && opt->detect_directory_renames == 1 && + ren->dir_rename_original_dest) { + if (update_stages(opt, path, + NULL, + side == 2 ? &mfi.blob : NULL, + side == 2 ? NULL : &mfi.blob)) + return -1; + clean = 0; /* not clean, but conflicted */ + } + return clean; +} + +static void dir_rename_warning(const char *msg, + int is_add, + int clean, + struct merge_options *opt, + struct rename *ren) +{ + const char *other_branch; + other_branch = (ren->branch == opt->branch1 ? + opt->branch2 : opt->branch1); + if (is_add) { + output(opt, clean ? 2 : 1, msg, + ren->pair->one->path, ren->branch, + other_branch, ren->pair->two->path); + return; + } + output(opt, clean ? 2 : 1, msg, + ren->pair->one->path, ren->dir_rename_original_dest, ren->branch, + other_branch, ren->pair->two->path); +} +static int warn_about_dir_renamed_entries(struct merge_options *opt, + struct rename *ren) +{ + const char *msg; + int clean = 1, is_add; + + if (!ren) + return clean; + + /* Return early if ren was not affected/created by a directory rename */ + if (!ren->dir_rename_original_dest) + return clean; + + /* Sanity checks */ + assert(opt->detect_directory_renames > 0); + assert(ren->dir_rename_original_type == 'A' || + ren->dir_rename_original_type == 'R'); + + /* Check whether to treat directory renames as a conflict */ + clean = (opt->detect_directory_renames == 2); + + is_add = (ren->dir_rename_original_type == 'A'); + if (ren->dir_rename_original_type == 'A' && clean) { + msg = _("Path updated: %s added in %s inside a " + "directory that was renamed in %s; moving it to %s."); + } else if (ren->dir_rename_original_type == 'A' && !clean) { + msg = _("CONFLICT (file location): %s added in %s " + "inside a directory that was renamed in %s, " + "suggesting it should perhaps be moved to %s."); + } else if (ren->dir_rename_original_type == 'R' && clean) { + msg = _("Path updated: %s renamed to %s in %s, inside a " + "directory that was renamed in %s; moving it to %s."); + } else if (ren->dir_rename_original_type == 'R' && !clean) { + msg = _("CONFLICT (file location): %s renamed to %s in %s, " + "inside a directory that was renamed in %s, " + "suggesting it should perhaps be moved to %s."); + } else { + BUG("Impossible dir_rename_original_type/clean combination"); + } + dir_rename_warning(msg, is_add, clean, opt, ren); + + return clean; } /* Per entry merge function */ -static int process_entry(struct merge_options *o, +static int process_entry(struct merge_options *opt, const char *path, struct stage_data *entry) { int clean_merge = 1; - int normalize = o->renormalize; - unsigned o_mode = entry->stages[1].mode; - unsigned a_mode = entry->stages[2].mode; - unsigned b_mode = entry->stages[3].mode; - struct object_id *o_oid = stage_oid(&entry->stages[1].oid, o_mode); - struct object_id *a_oid = stage_oid(&entry->stages[2].oid, a_mode); - struct object_id *b_oid = stage_oid(&entry->stages[3].oid, b_mode); + int normalize = opt->renormalize; + + struct diff_filespec *o = &entry->stages[1]; + struct diff_filespec *a = &entry->stages[2]; + struct diff_filespec *b = &entry->stages[3]; + int o_valid = is_valid(o); + int a_valid = is_valid(a); + int b_valid = is_valid(b); + o->path = a->path = b->path = (char*)path; entry->processed = 1; if (entry->rename_conflict_info) { - struct rename_conflict_info *conflict_info = entry->rename_conflict_info; - switch (conflict_info->rename_type) { + struct rename_conflict_info *ci = entry->rename_conflict_info; + struct diff_filespec *temp; + int path_clean; + + path_clean = warn_about_dir_renamed_entries(opt, ci->ren1); + path_clean &= warn_about_dir_renamed_entries(opt, ci->ren2); + + /* + * For cases with a single rename, {o,a,b}->path have all been + * set to the rename target path; we need to set two of these + * back to the rename source. + * For rename/rename conflicts, we'll manually fix paths below. + */ + temp = (opt->branch1 == ci->ren1->branch) ? b : a; + o->path = temp->path = ci->ren1->pair->one->path; + if (ci->ren2) { + assert(opt->branch1 == ci->ren1->branch); + } + + switch (ci->rename_type) { case RENAME_NORMAL: case RENAME_ONE_FILE_TO_ONE: - clean_merge = handle_rename_normal(o, - path, - o_oid, o_mode, - a_oid, a_mode, - b_oid, b_mode, - conflict_info); + clean_merge = handle_rename_normal(opt, path, o, a, b, + ci); break; case RENAME_VIA_DIR: - clean_merge = 1; - if (handle_rename_via_dir(o, - conflict_info->pair1, - conflict_info->branch1)) - clean_merge = -1; + clean_merge = handle_rename_via_dir(opt, ci); break; case RENAME_ADD: /* @@ -3274,165 +3235,172 @@ static int process_entry(struct merge_options *o, * two-way merged cleanly with the added file, I * guess it's a clean merge? */ - clean_merge = handle_rename_add(o, conflict_info); + clean_merge = handle_rename_add(opt, ci); break; case RENAME_DELETE: clean_merge = 0; - if (handle_rename_delete(o, - conflict_info->pair1, - conflict_info->branch1, - conflict_info->branch2)) + if (handle_rename_delete(opt, ci)) clean_merge = -1; break; case RENAME_ONE_FILE_TO_TWO: + /* + * Manually fix up paths; note: + * ren[12]->pair->one->path are equal. + */ + o->path = ci->ren1->pair->one->path; + a->path = ci->ren1->pair->two->path; + b->path = ci->ren2->pair->two->path; + clean_merge = 0; - if (handle_rename_rename_1to2(o, conflict_info)) + if (handle_rename_rename_1to2(opt, ci)) clean_merge = -1; break; case RENAME_TWO_FILES_TO_ONE: /* + * Manually fix up paths; note, + * ren[12]->pair->two->path are actually equal. + */ + o->path = NULL; + a->path = ci->ren1->pair->two->path; + b->path = ci->ren2->pair->two->path; + + /* * Probably unclean merge, but if the two renamed * files merge cleanly and the two resulting files * can then be two-way merged cleanly, I guess it's * a clean merge? */ - clean_merge = handle_rename_rename_2to1(o, - conflict_info); + clean_merge = handle_rename_rename_2to1(opt, ci); break; default: entry->processed = 0; break; } - } else if (o_oid && (!a_oid || !b_oid)) { + if (path_clean < clean_merge) + clean_merge = path_clean; + } else if (o_valid && (!a_valid || !b_valid)) { /* Case A: Deleted in one */ - if ((!a_oid && !b_oid) || - (!b_oid && blob_unchanged(o, o_oid, o_mode, a_oid, a_mode, normalize, path)) || - (!a_oid && blob_unchanged(o, o_oid, o_mode, b_oid, b_mode, normalize, path))) { + if ((!a_valid && !b_valid) || + (!b_valid && blob_unchanged(opt, o, a, normalize, path)) || + (!a_valid && blob_unchanged(opt, o, b, normalize, path))) { /* Deleted in both or deleted in one and * unchanged in the other */ - if (a_oid) - output(o, 2, _("Removing %s"), path); + if (a_valid) + output(opt, 2, _("Removing %s"), path); /* do not touch working file if it did not exist */ - remove_file(o, 1, path, !a_oid); + remove_file(opt, 1, path, !a_valid); } else { /* Modify/delete; deleted side may have put a directory in the way */ clean_merge = 0; - if (handle_modify_delete(o, path, o_oid, o_mode, - a_oid, a_mode, b_oid, b_mode)) + if (handle_modify_delete(opt, path, o, a, b)) clean_merge = -1; } - } else if ((!o_oid && a_oid && !b_oid) || - (!o_oid && !a_oid && b_oid)) { + } else if ((!o_valid && a_valid && !b_valid) || + (!o_valid && !a_valid && b_valid)) { /* Case B: Added in one. */ /* [nothing|directory] -> ([nothing|directory], file) */ const char *add_branch; const char *other_branch; - unsigned mode; - const struct object_id *oid; const char *conf; + const struct diff_filespec *contents; - if (a_oid) { - add_branch = o->branch1; - other_branch = o->branch2; - mode = a_mode; - oid = a_oid; + if (a_valid) { + add_branch = opt->branch1; + other_branch = opt->branch2; + contents = a; conf = _("file/directory"); } else { - add_branch = o->branch2; - other_branch = o->branch1; - mode = b_mode; - oid = b_oid; + add_branch = opt->branch2; + other_branch = opt->branch1; + contents = b; conf = _("directory/file"); } - if (dir_in_way(o->repo->index, path, - !o->call_depth && !S_ISGITLINK(a_mode), + if (dir_in_way(opt->repo->index, path, + !opt->call_depth && !S_ISGITLINK(a->mode), 0)) { - char *new_path = unique_path(o, path, add_branch); + char *new_path = unique_path(opt, path, add_branch); clean_merge = 0; - output(o, 1, _("CONFLICT (%s): There is a directory with name %s in %s. " + output(opt, 1, _("CONFLICT (%s): There is a directory with name %s in %s. " "Adding %s as %s"), conf, path, other_branch, path, new_path); - if (update_file(o, 0, oid, mode, new_path)) + if (update_file(opt, 0, contents, new_path)) clean_merge = -1; - else if (o->call_depth) - remove_file_from_index(o->repo->index, path); + else if (opt->call_depth) + remove_file_from_index(opt->repo->index, path); free(new_path); } else { - output(o, 2, _("Adding %s"), path); + output(opt, 2, _("Adding %s"), path); /* do not overwrite file if already present */ - if (update_file_flags(o, oid, mode, path, 1, !a_oid)) + if (update_file_flags(opt, contents, path, 1, !a_valid)) clean_merge = -1; } - } else if (a_oid && b_oid) { - if (!o_oid) { + } else if (a_valid && b_valid) { + if (!o_valid) { /* Case C: Added in both (check for same permissions) */ - output(o, 1, + output(opt, 1, _("CONFLICT (add/add): Merge conflict in %s"), path); - clean_merge = handle_file_collision(o, + clean_merge = handle_file_collision(opt, path, NULL, NULL, - o->branch1, - o->branch2, - a_oid, a_mode, - b_oid, b_mode); + opt->branch1, + opt->branch2, + a, b); } else { /* case D: Modified in both, but differently. */ + struct merge_file_info mfi; int is_dirty = 0; /* unpack_trees would have bailed if dirty */ - clean_merge = handle_content_merge(o, path, + clean_merge = handle_content_merge(&mfi, opt, path, is_dirty, - o_oid, o_mode, - a_oid, a_mode, - b_oid, b_mode, - NULL); + o, a, b, NULL); } - } else if (!o_oid && !a_oid && !b_oid) { + } else if (!o_valid && !a_valid && !b_valid) { /* * this entry was deleted altogether. a_mode == 0 means * we had that path and want to actively remove it. */ - remove_file(o, 1, path, !a_mode); + remove_file(opt, 1, path, !a->mode); } else BUG("fatal merge failure, shouldn't happen."); return clean_merge; } -int merge_trees(struct merge_options *o, +int merge_trees(struct merge_options *opt, struct tree *head, struct tree *merge, struct tree *common, struct tree **result) { - struct index_state *istate = o->repo->index; + struct index_state *istate = opt->repo->index; int code, clean; struct strbuf sb = STRBUF_INIT; - if (!o->call_depth && repo_index_has_changes(o->repo, head, &sb)) { - err(o, _("Your local changes to the following files would be overwritten by merge:\n %s"), + if (!opt->call_depth && repo_index_has_changes(opt->repo, head, &sb)) { + err(opt, _("Your local changes to the following files would be overwritten by merge:\n %s"), sb.buf); return -1; } - if (o->subtree_shift) { - merge = shift_tree_object(o->repo, head, merge, o->subtree_shift); - common = shift_tree_object(o->repo, head, common, o->subtree_shift); + if (opt->subtree_shift) { + merge = shift_tree_object(opt->repo, head, merge, opt->subtree_shift); + common = shift_tree_object(opt->repo, head, common, opt->subtree_shift); } if (oid_eq(&common->object.oid, &merge->object.oid)) { - output(o, 0, _("Already up to date!")); + output(opt, 0, _("Already up to date!")); *result = head; return 1; } - code = unpack_trees_start(o, common, head, merge); + code = unpack_trees_start(opt, common, head, merge); if (code != 0) { - if (show(o, 4) || o->call_depth) - err(o, _("merging of trees %s and %s failed"), + if (show(opt, 4) || opt->call_depth) + err(opt, _("merging of trees %s and %s failed"), oid_to_hex(&head->object.oid), oid_to_hex(&merge->object.oid)); - unpack_trees_finish(o); + unpack_trees_finish(opt); return -1; } @@ -3447,21 +3415,21 @@ int merge_trees(struct merge_options *o, * opposed to decaring a local hashmap is for convenience * so that we don't have to pass it to around. */ - hashmap_init(&o->current_file_dir_set, path_hashmap_cmp, NULL, 512); - get_files_dirs(o, head); - get_files_dirs(o, merge); + hashmap_init(&opt->current_file_dir_set, path_hashmap_cmp, NULL, 512); + get_files_dirs(opt, head); + get_files_dirs(opt, merge); - entries = get_unmerged(o->repo->index); - clean = detect_and_process_renames(o, common, head, merge, + entries = get_unmerged(opt->repo->index); + clean = detect_and_process_renames(opt, common, head, merge, entries, &re_info); - record_df_conflict_files(o, entries); + record_df_conflict_files(opt, entries); if (clean < 0) goto cleanup; for (i = entries->nr-1; 0 <= i; i--) { const char *path = entries->items[i].string; struct stage_data *e = entries->items[i].util; if (!e->processed) { - int ret = process_entry(o, path, e); + int ret = process_entry(opt, path, e); if (!ret) clean = 0; else if (ret < 0) { @@ -3483,19 +3451,19 @@ int merge_trees(struct merge_options *o, string_list_clear(entries, 1); free(entries); - hashmap_free(&o->current_file_dir_set, 1); + hashmap_free(&opt->current_file_dir_set, 1); if (clean < 0) { - unpack_trees_finish(o); + unpack_trees_finish(opt); return clean; } } else clean = 1; - unpack_trees_finish(o); + unpack_trees_finish(opt); - if (o->call_depth && !(*result = write_tree_from_memory(o))) + if (opt->call_depth && !(*result = write_tree_from_memory(opt))) return -1; return clean; @@ -3516,7 +3484,7 @@ static struct commit_list *reverse_commit_list(struct commit_list *list) * Merge the commits h1 and h2, return the resulting virtual * commit object and a flag indicating the cleanness of the merge. */ -int merge_recursive(struct merge_options *o, +int merge_recursive(struct merge_options *opt, struct commit *h1, struct commit *h2, struct commit_list *ca, @@ -3527,10 +3495,10 @@ int merge_recursive(struct merge_options *o, struct tree *mrtree; int clean; - if (show(o, 4)) { - output(o, 4, _("Merging:")); - output_commit_title(o, h1); - output_commit_title(o, h2); + if (show(opt, 4)) { + output(opt, 4, _("Merging:")); + output_commit_title(opt, h1); + output_commit_title(opt, h2); } if (!ca) { @@ -3538,13 +3506,13 @@ int merge_recursive(struct merge_options *o, ca = reverse_commit_list(ca); } - if (show(o, 5)) { + if (show(opt, 5)) { unsigned cnt = commit_list_count(ca); - output(o, 5, Q_("found %u common ancestor:", + output(opt, 5, Q_("found %u common ancestor:", "found %u common ancestors:", cnt), cnt); for (iter = ca; iter; iter = iter->next) - output_commit_title(o, iter->item); + output_commit_title(opt, iter->item); } merged_common_ancestors = pop_commit(&ca); @@ -3552,13 +3520,13 @@ int merge_recursive(struct merge_options *o, /* if there is no common ancestor, use an empty tree */ struct tree *tree; - tree = lookup_tree(o->repo, o->repo->hash_algo->empty_tree); - merged_common_ancestors = make_virtual_commit(o->repo, tree, "ancestor"); + tree = lookup_tree(opt->repo, opt->repo->hash_algo->empty_tree); + merged_common_ancestors = make_virtual_commit(opt->repo, tree, "ancestor"); } for (iter = ca; iter; iter = iter->next) { const char *saved_b1, *saved_b2; - o->call_depth++; + opt->call_depth++; /* * When the merge fails, the result contains files * with conflict markers. The cleanness flag is @@ -3567,46 +3535,46 @@ int merge_recursive(struct merge_options *o, * overwritten it: the committed "conflicts" were * already resolved. */ - discard_index(o->repo->index); - saved_b1 = o->branch1; - saved_b2 = o->branch2; - o->branch1 = "Temporary merge branch 1"; - o->branch2 = "Temporary merge branch 2"; - if (merge_recursive(o, merged_common_ancestors, iter->item, + discard_index(opt->repo->index); + saved_b1 = opt->branch1; + saved_b2 = opt->branch2; + opt->branch1 = "Temporary merge branch 1"; + opt->branch2 = "Temporary merge branch 2"; + if (merge_recursive(opt, merged_common_ancestors, iter->item, NULL, &merged_common_ancestors) < 0) return -1; - o->branch1 = saved_b1; - o->branch2 = saved_b2; - o->call_depth--; + opt->branch1 = saved_b1; + opt->branch2 = saved_b2; + opt->call_depth--; if (!merged_common_ancestors) - return err(o, _("merge returned no commit")); + return err(opt, _("merge returned no commit")); } - discard_index(o->repo->index); - if (!o->call_depth) - repo_read_index(o->repo); + discard_index(opt->repo->index); + if (!opt->call_depth) + repo_read_index(opt->repo); - o->ancestor = "merged common ancestors"; - clean = merge_trees(o, get_commit_tree(h1), get_commit_tree(h2), + opt->ancestor = "merged common ancestors"; + clean = merge_trees(opt, get_commit_tree(h1), get_commit_tree(h2), get_commit_tree(merged_common_ancestors), &mrtree); if (clean < 0) { - flush_output(o); + flush_output(opt); return clean; } - if (o->call_depth) { - *result = make_virtual_commit(o->repo, mrtree, "merged tree"); + if (opt->call_depth) { + *result = make_virtual_commit(opt->repo, mrtree, "merged tree"); commit_list_insert(h1, &(*result)->parents); commit_list_insert(h2, &(*result)->parents->next); } - flush_output(o); - if (!o->call_depth && o->buffer_output < 2) - strbuf_release(&o->obuf); - if (show(o, 2)) + flush_output(opt); + if (!opt->call_depth && opt->buffer_output < 2) + strbuf_release(&opt->obuf); + if (show(opt, 2)) diff_warn_rename_limit("merge.renamelimit", - o->needed_rename_limit, 0); + opt->needed_rename_limit, 0); return clean; } @@ -3628,7 +3596,7 @@ static struct commit *get_ref(struct repository *repo, const struct object_id *o return (struct commit *)object; } -int merge_recursive_generic(struct merge_options *o, +int merge_recursive_generic(struct merge_options *opt, const struct object_id *head, const struct object_id *merge, int num_base_list, @@ -3637,127 +3605,136 @@ int merge_recursive_generic(struct merge_options *o, { int clean; struct lock_file lock = LOCK_INIT; - struct commit *head_commit = get_ref(o->repo, head, o->branch1); - struct commit *next_commit = get_ref(o->repo, merge, o->branch2); + struct commit *head_commit = get_ref(opt->repo, head, opt->branch1); + struct commit *next_commit = get_ref(opt->repo, merge, opt->branch2); struct commit_list *ca = NULL; if (base_list) { int i; for (i = 0; i < num_base_list; ++i) { struct commit *base; - if (!(base = get_ref(o->repo, base_list[i], oid_to_hex(base_list[i])))) - return err(o, _("Could not parse object '%s'"), + if (!(base = get_ref(opt->repo, base_list[i], oid_to_hex(base_list[i])))) + return err(opt, _("Could not parse object '%s'"), oid_to_hex(base_list[i])); commit_list_insert(base, &ca); } } - repo_hold_locked_index(o->repo, &lock, LOCK_DIE_ON_ERROR); - clean = merge_recursive(o, head_commit, next_commit, ca, + repo_hold_locked_index(opt->repo, &lock, LOCK_DIE_ON_ERROR); + clean = merge_recursive(opt, head_commit, next_commit, ca, result); if (clean < 0) { rollback_lock_file(&lock); return clean; } - if (write_locked_index(o->repo->index, &lock, + if (write_locked_index(opt->repo->index, &lock, COMMIT_LOCK | SKIP_IF_UNCHANGED)) - return err(o, _("Unable to write index.")); + return err(opt, _("Unable to write index.")); return clean ? 0 : 1; } -static void merge_recursive_config(struct merge_options *o) +static void merge_recursive_config(struct merge_options *opt) { char *value = NULL; - git_config_get_int("merge.verbosity", &o->verbosity); - git_config_get_int("diff.renamelimit", &o->diff_rename_limit); - git_config_get_int("merge.renamelimit", &o->merge_rename_limit); + git_config_get_int("merge.verbosity", &opt->verbosity); + git_config_get_int("diff.renamelimit", &opt->diff_rename_limit); + git_config_get_int("merge.renamelimit", &opt->merge_rename_limit); if (!git_config_get_string("diff.renames", &value)) { - o->diff_detect_rename = git_config_rename("diff.renames", value); + opt->diff_detect_rename = git_config_rename("diff.renames", value); free(value); } if (!git_config_get_string("merge.renames", &value)) { - o->merge_detect_rename = git_config_rename("merge.renames", value); + opt->merge_detect_rename = git_config_rename("merge.renames", value); + free(value); + } + if (!git_config_get_string("merge.directoryrenames", &value)) { + int boolval = git_parse_maybe_bool(value); + if (0 <= boolval) { + opt->detect_directory_renames = boolval ? 2 : 0; + } else if (!strcasecmp(value, "conflict")) { + opt->detect_directory_renames = 1; + } /* avoid erroring on values from future versions of git */ free(value); } git_config(git_xmerge_config, NULL); } -void init_merge_options(struct merge_options *o, +void init_merge_options(struct merge_options *opt, struct repository *repo) { const char *merge_verbosity; - memset(o, 0, sizeof(struct merge_options)); - o->repo = repo; - o->verbosity = 2; - o->buffer_output = 1; - o->diff_rename_limit = -1; - o->merge_rename_limit = -1; - o->renormalize = 0; - o->diff_detect_rename = -1; - o->merge_detect_rename = -1; - o->detect_directory_renames = 1; - merge_recursive_config(o); + memset(opt, 0, sizeof(struct merge_options)); + opt->repo = repo; + opt->verbosity = 2; + opt->buffer_output = 1; + opt->diff_rename_limit = -1; + opt->merge_rename_limit = -1; + opt->renormalize = 0; + opt->diff_detect_rename = -1; + opt->merge_detect_rename = -1; + opt->detect_directory_renames = 1; + merge_recursive_config(opt); merge_verbosity = getenv("GIT_MERGE_VERBOSITY"); if (merge_verbosity) - o->verbosity = strtol(merge_verbosity, NULL, 10); - if (o->verbosity >= 5) - o->buffer_output = 0; - strbuf_init(&o->obuf, 0); - string_list_init(&o->df_conflict_file_set, 1); + opt->verbosity = strtol(merge_verbosity, NULL, 10); + if (opt->verbosity >= 5) + opt->buffer_output = 0; + strbuf_init(&opt->obuf, 0); + string_list_init(&opt->df_conflict_file_set, 1); } -int parse_merge_opt(struct merge_options *o, const char *s) +int parse_merge_opt(struct merge_options *opt, const char *s) { const char *arg; if (!s || !*s) return -1; if (!strcmp(s, "ours")) - o->recursive_variant = MERGE_RECURSIVE_OURS; + opt->recursive_variant = MERGE_RECURSIVE_OURS; else if (!strcmp(s, "theirs")) - o->recursive_variant = MERGE_RECURSIVE_THEIRS; + opt->recursive_variant = MERGE_RECURSIVE_THEIRS; else if (!strcmp(s, "subtree")) - o->subtree_shift = ""; + opt->subtree_shift = ""; else if (skip_prefix(s, "subtree=", &arg)) - o->subtree_shift = arg; + opt->subtree_shift = arg; else if (!strcmp(s, "patience")) - o->xdl_opts = DIFF_WITH_ALG(o, PATIENCE_DIFF); + opt->xdl_opts = DIFF_WITH_ALG(opt, PATIENCE_DIFF); else if (!strcmp(s, "histogram")) - o->xdl_opts = DIFF_WITH_ALG(o, HISTOGRAM_DIFF); + opt->xdl_opts = DIFF_WITH_ALG(opt, HISTOGRAM_DIFF); else if (skip_prefix(s, "diff-algorithm=", &arg)) { long value = parse_algorithm_value(arg); if (value < 0) return -1; /* clear out previous settings */ - DIFF_XDL_CLR(o, NEED_MINIMAL); - o->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK; - o->xdl_opts |= value; + DIFF_XDL_CLR(opt, NEED_MINIMAL); + opt->xdl_opts &= ~XDF_DIFF_ALGORITHM_MASK; + opt->xdl_opts |= value; } else if (!strcmp(s, "ignore-space-change")) - DIFF_XDL_SET(o, IGNORE_WHITESPACE_CHANGE); + DIFF_XDL_SET(opt, IGNORE_WHITESPACE_CHANGE); else if (!strcmp(s, "ignore-all-space")) - DIFF_XDL_SET(o, IGNORE_WHITESPACE); + DIFF_XDL_SET(opt, IGNORE_WHITESPACE); else if (!strcmp(s, "ignore-space-at-eol")) - DIFF_XDL_SET(o, IGNORE_WHITESPACE_AT_EOL); + DIFF_XDL_SET(opt, IGNORE_WHITESPACE_AT_EOL); else if (!strcmp(s, "ignore-cr-at-eol")) - DIFF_XDL_SET(o, IGNORE_CR_AT_EOL); + DIFF_XDL_SET(opt, IGNORE_CR_AT_EOL); else if (!strcmp(s, "renormalize")) - o->renormalize = 1; + opt->renormalize = 1; else if (!strcmp(s, "no-renormalize")) - o->renormalize = 0; + opt->renormalize = 0; else if (!strcmp(s, "no-renames")) - o->merge_detect_rename = 0; + opt->merge_detect_rename = 0; else if (!strcmp(s, "find-renames")) { - o->merge_detect_rename = 1; - o->rename_score = 0; + opt->merge_detect_rename = 1; + opt->rename_score = 0; } else if (skip_prefix(s, "find-renames=", &arg) || skip_prefix(s, "rename-threshold=", &arg)) { - if ((o->rename_score = parse_rename_score(&arg)) == -1 || *arg != 0) + if ((opt->rename_score = parse_rename_score(&arg)) == -1 || *arg != 0) return -1; - o->merge_detect_rename = 1; + opt->merge_detect_rename = 1; } /* * Please update $__git_merge_strategy_options in @@ -988,7 +988,7 @@ void init_notes(struct notes_tree *t, const char *notes_ref, combine_notes_fn combine_notes, int flags) { struct object_id oid, object_oid; - unsigned mode; + unsigned short mode; struct leaf_node root_tree; if (!t) diff --git a/sha1-name.c b/sha1-name.c index 07c71a7567..7754d3a3de 100644 --- a/sha1-name.c +++ b/sha1-name.c @@ -1608,7 +1608,7 @@ static void diagnose_invalid_oid_path(const char *prefix, int object_name_len) { struct object_id oid; - unsigned mode; + unsigned short mode; if (!prefix) prefix = ""; diff --git a/t/t3401-rebase-and-am-rename.sh b/t/t3401-rebase-and-am-rename.sh index e0b5111993..a0b9438b22 100755 --- a/t/t3401-rebase-and-am-rename.sh +++ b/t/t3401-rebase-and-am-rename.sh @@ -42,7 +42,7 @@ test_expect_success 'rebase --interactive: directory rename detected' ' git checkout B^0 && set_fake_editor && - FAKE_LINES="1" git rebase --interactive A && + FAKE_LINES="1" git -c merge.directoryRenames=true rebase --interactive A && git ls-files -s >out && test_line_count = 5 out && @@ -58,7 +58,7 @@ test_expect_failure 'rebase (am): directory rename detected' ' git checkout B^0 && - git rebase A && + git -c merge.directoryRenames=true rebase A && git ls-files -s >out && test_line_count = 5 out && @@ -74,7 +74,7 @@ test_expect_success 'rebase --merge: directory rename detected' ' git checkout B^0 && - git rebase --merge A && + git -c merge.directoryRenames=true rebase --merge A && git ls-files -s >out && test_line_count = 5 out && @@ -92,7 +92,7 @@ test_expect_failure 'am: directory rename detected' ' git format-patch -1 B && - git am --3way 0001*.patch && + git -c merge.directoryRenames=true am --3way 0001*.patch && git ls-files -s >out && test_line_count = 5 out && diff --git a/t/t6043-merge-rename-directories.sh b/t/t6043-merge-rename-directories.sh index 62c564707b..50b7543483 100755 --- a/t/t6043-merge-rename-directories.sh +++ b/t/t6043-merge-rename-directories.sh @@ -75,7 +75,7 @@ test_expect_success '1a-check: Simple directory rename detection' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 >out && git ls-files -s >out && test_line_count = 4 out && @@ -142,7 +142,7 @@ test_expect_success '1b-check: Merge a directory with another' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 4 out && @@ -201,7 +201,7 @@ test_expect_success '1c-check: Transitive renaming' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 >out && git ls-files -s >out && test_line_count = 3 out && @@ -270,7 +270,7 @@ test_expect_success '1d-check: Directory renames cause a rename/rename(2to1) con git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/rename)" out && git ls-files -s >out && @@ -350,7 +350,7 @@ test_expect_success '1e-check: Renamed directory, with all files being renamed t git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -416,7 +416,7 @@ test_expect_success '1f-check: Split a directory into two other directories' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 6 out && @@ -497,7 +497,7 @@ test_expect_success '2a-check: Directory split into two on one side, with equal git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT.*directory rename split" out && git ls-files -s >out && @@ -559,7 +559,7 @@ test_expect_success '2b-check: Directory split into two on one side, with equal git checkout A^0 && - git merge -s recursive B^0 >out && + git -c merge.directoryRenames=true merge -s recursive B^0 >out && git ls-files -s >out && test_line_count = 3 out && @@ -640,7 +640,7 @@ test_expect_success '3a-check: Avoid implicit rename if involved as source on ot git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -705,7 +705,7 @@ test_expect_success '3b-check: Avoid implicit rename if involved as source on cu git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep CONFLICT.*rename/rename.*z/d.*x/d.*w/d out && test_i18ngrep ! CONFLICT.*rename/rename.*y/d out && @@ -826,7 +826,7 @@ test_expect_success '4a-check: Directory split, with original directory still pr git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 5 out && @@ -915,7 +915,7 @@ test_expect_success '5a-check: Merge directories, other side adds files to origi git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT.*implicit dir rename" out && git ls-files -s >out && @@ -989,7 +989,7 @@ test_expect_success '5b-check: Rename/delete in order to get add/add/add conflic git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (add/add).* y/d" out && git ls-files -s >out && @@ -1069,7 +1069,7 @@ test_expect_success '5c-check: Transitive rename would cause rename/rename/renam git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/rename).*x/d.*w/d.*z/d" out && test_i18ngrep "CONFLICT (add/add).* y/d" out && @@ -1153,7 +1153,7 @@ test_expect_success '5d-check: Directory/file/file conflict due to directory ren git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (file/directory).*y/d" out && git ls-files -s >out && @@ -1243,7 +1243,7 @@ test_expect_success '6a-check: Tricky rename/delete' ' git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/delete).*z/c.*y/c" out && git ls-files -s >out && @@ -1308,7 +1308,7 @@ test_expect_success '6b-check: Same rename done on both sides' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -1370,7 +1370,7 @@ test_expect_success '6c-check: Rename only done on same side' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -1432,7 +1432,7 @@ test_expect_success '6d-check: We do not always want transitive renaming' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -1495,7 +1495,7 @@ test_expect_success '6e-check: Add/add from one side' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 4 out && @@ -1591,7 +1591,7 @@ test_expect_success '7a-check: rename-dir vs. rename-dir (NOT split evenly) PLUS git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/rename).*z/b.*y/b.*w/b" out && test_i18ngrep "CONFLICT (rename/rename).*z/c.*y/c.*x/c" out && @@ -1663,7 +1663,7 @@ test_expect_success '7b-check: rename/rename(2to1), but only due to transitive r git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/rename)" out && git ls-files -s >out && @@ -1740,7 +1740,7 @@ test_expect_success '7c-check: rename/rename(1to...2or3); transitive rename may git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/rename).*x/d.*w/d.*y/d" out && git ls-files -s >out && @@ -1804,7 +1804,7 @@ test_expect_success '7d-check: transitive rename involved in rename/delete; how git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/delete).*x/d.*y/d" out && git ls-files -s >out && @@ -1894,7 +1894,7 @@ test_expect_success '7e-check: transitive rename in rename/delete AND dirs in th git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (rename/delete).*x/d.*y/d" out && git ls-files -s >out && @@ -1985,7 +1985,7 @@ test_expect_success '8a-check: Dual-directory rename, one into the others way' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 6 out && @@ -2063,7 +2063,7 @@ test_expect_success '8b-check: Dual-directory rename, one into the others way, w git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 6 out && @@ -2135,7 +2135,7 @@ test_expect_success '8c-check: modify/delete or rename+modify/delete' ' git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "CONFLICT (modify/delete).* z/d" out && git ls-files -s >out && @@ -2212,7 +2212,7 @@ test_expect_success '8d-check: rename/delete...or not?' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -2287,7 +2287,7 @@ test_expect_success '8e-check: Both sides rename, one side adds to original dire git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep CONFLICT.*rename/rename.*z/c.*y/c.*w/c out && test_i18ngrep CONFLICT.*rename/rename.*z/b.*y/b.*w/b out && @@ -2374,7 +2374,7 @@ test_expect_success '9a-check: Inner renamed directory within outer renamed dire git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 7 out && @@ -2444,7 +2444,7 @@ test_expect_success '9b-check: Transitive rename with content merge' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -2534,7 +2534,7 @@ test_expect_success '9c-check: Doubly transitive rename?' ' git checkout A^0 && - git merge -s recursive B^0 >out && + git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "WARNING: Avoiding applying x -> z rename to x/f" out && git ls-files -s >out && @@ -2622,7 +2622,7 @@ test_expect_success '9d-check: N-way transitive rename?' ' git checkout A^0 && - git merge -s recursive B^0 >out && + git -c merge.directoryRenames=true merge -s recursive B^0 >out && test_i18ngrep "WARNING: Avoiding applying z -> y rename to z/t" out && test_i18ngrep "WARNING: Avoiding applying y -> x rename to y/a" out && test_i18ngrep "WARNING: Avoiding applying x -> w rename to x/b" out && @@ -2704,7 +2704,7 @@ test_expect_success C_LOCALE_OUTPUT '9e-check: N-to-1 whammo' ' git checkout A^0 && - test_must_fail git merge -s recursive B^0 >out && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out && grep "CONFLICT (implicit dir rename): Cannot map more than one path to combined/yo" out >error_line && grep -q dir1/yo error_line && grep -q dir2/yo error_line && @@ -2782,7 +2782,7 @@ test_expect_success '9f-check: Renamed directory that only contained immediate s git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 4 out && @@ -2849,7 +2849,7 @@ test_expect_failure '9g-check: Renamed directory that only contained immediate s git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 4 out && @@ -2918,7 +2918,7 @@ test_expect_success '9h-check: Avoid dir rename on merely modified path' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 3 out && @@ -2993,7 +2993,7 @@ test_expect_success '10a-check: Overwrite untracked with normal rename/delete' ' echo very >z/c && echo important >z/d && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "The following untracked working tree files would be overwritten by merge" err && git ls-files -s >out && @@ -3061,7 +3061,7 @@ test_expect_success '10b-check: Overwrite untracked with dir rename + delete' ' echo important >y/d && echo contents >y/e && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out && test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out && @@ -3137,7 +3137,7 @@ test_expect_success '10c-check: Overwrite untracked with dir rename/rename(1to2) git checkout A^0 && echo important >y/c && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "CONFLICT (rename/rename)" out && test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out && @@ -3174,7 +3174,7 @@ test_expect_success '10c-check: Overwrite untracked with dir rename/rename(1to2) mkdir y && echo important >y/c && - test_must_fail git merge -s recursive A^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err && test_i18ngrep "CONFLICT (rename/rename)" out && test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~HEAD instead" out && @@ -3249,7 +3249,7 @@ test_expect_success '10d-check: Delete untracked with dir rename/rename(2to1)' ' git checkout A^0 && echo important >y/wham && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "CONFLICT (rename/rename)" out && test_i18ngrep "Refusing to lose untracked file at y/wham" out && @@ -3327,7 +3327,7 @@ test_expect_failure '10e-check: Does git complain about untracked file that is n mkdir z && echo random >z/c && - git merge -s recursive B^0 >out 2>err && + git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep ! "following untracked working tree files would be overwritten by merge" err && git ls-files -s >out && @@ -3407,7 +3407,7 @@ test_expect_success '11a-check: Avoid losing dirty contents with simple rename' git checkout A^0 && echo stuff >>z/c && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "Refusing to lose dirty file at z/c" out && test_seq 1 10 >expected && @@ -3479,7 +3479,7 @@ test_expect_success '11b-check: Avoid losing dirty file involved in directory re git checkout A^0 && echo stuff >>z/c && - git merge -s recursive B^0 >out 2>err && + git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "Refusing to lose dirty file at z/c" out && grep -q stuff z/c && @@ -3554,7 +3554,7 @@ test_expect_success '11c-check: Avoid losing not-uptodate with rename + D/F conf git checkout A^0 && echo stuff >>y/c && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "following files would be overwritten by merge" err && grep -q stuff y/c && @@ -3621,7 +3621,7 @@ test_expect_success '11d-check: Avoid losing not-uptodate with rename + D/F conf git checkout A^0 && echo stuff >>z/c && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "Refusing to lose dirty file at z/c" out && grep -q stuff z/c && @@ -3700,7 +3700,7 @@ test_expect_success '11e-check: Avoid deleting not-uptodate with dir rename/rena git checkout A^0 && echo mods >>y/c && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "CONFLICT (rename/rename)" out && test_i18ngrep "Refusing to lose dirty file at y/c" out && @@ -3782,7 +3782,7 @@ test_expect_success '11f-check: Avoid deleting not-uptodate with dir rename/rena git checkout A^0 && echo important >>y/wham && - test_must_fail git merge -s recursive B^0 >out 2>err && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep "CONFLICT (rename/rename)" out && test_i18ngrep "Refusing to lose dirty file at y/wham" out && @@ -3870,7 +3870,7 @@ test_expect_success '12a-check: Moving one directory hierarchy into another' ' git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 6 out && @@ -3910,7 +3910,7 @@ test_expect_success '12a-check: Moving one directory hierarchy into another' ' # To which, I can do no more than shrug my shoulders and say that # even simple rules give weird results when given weird inputs. -test_expect_success '12b-setup: Moving one directory hierarchy into another' ' +test_expect_success '12b-setup: Moving two directory hierarchies into each other' ' test_create_repo 12b && ( cd 12b && @@ -3940,13 +3940,13 @@ test_expect_success '12b-setup: Moving one directory hierarchy into another' ' ) ' -test_expect_success '12b-check: Moving one directory hierarchy into another' ' +test_expect_success '12b-check: Moving two directory hierarchies into each other' ' ( cd 12b && git checkout A^0 && - git merge -s recursive B^0 && + git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -s >out && test_line_count = 4 out && @@ -4016,7 +4016,7 @@ test_expect_success '12c-check: Moving one directory hierarchy into another w/ c git checkout A^0 && - test_must_fail git merge -s recursive B^0 && + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 && git ls-files -u >out && test_line_count = 12 out && @@ -4051,4 +4051,356 @@ test_expect_success '12c-check: Moving one directory hierarchy into another w/ c ) ' +########################################################################### +# SECTION 13: Checking informational and conflict messages +# +# A year after directory rename detection became the default, it was +# instead decided to report conflicts on the pathname on the basis that +# some users may expect the new files added or moved into a directory to +# be unrelated to all the other files in that directory, and thus that +# directory rename detection is unexpected. Test that the messages printed +# match our expectation. +########################################################################### + +# Testcase 13a, Basic directory rename with newly added files +# Commit O: z/{b,c} +# Commit A: y/{b,c} +# Commit B: z/{b,c,d,e/f} +# Expected: y/{b,c,d,e/f}, with notices/conflicts for both y/d and y/e/f + +test_expect_success '13a-setup: messages for newly added files' ' + test_create_repo 13a && + ( + cd 13a && + + mkdir z && + echo b >z/b && + echo c >z/c && + git add z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv z y && + test_tick && + git commit -m "A" && + + git checkout B && + echo d >z/d && + mkdir z/e && + echo f >z/e/f && + git add z/d z/e/f && + test_tick && + git commit -m "B" + ) +' + +test_expect_success '13a-check(conflict): messages for newly added files' ' + ( + cd 13a && + + git checkout A^0 && + + test_must_fail git merge -s recursive B^0 >out 2>err && + + test_i18ngrep CONFLICT..file.location.*z/e/f.added.in.B^0.*y/e/f out && + test_i18ngrep CONFLICT..file.location.*z/d.added.in.B^0.*y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/[de]" paths && + + test_path_is_missing z/d && + test_path_is_file y/d && + test_path_is_missing z/e/f && + test_path_is_file y/e/f + ) +' + +test_expect_success '13a-check(info): messages for newly added files' ' + ( + cd 13a && + + git reset --hard && + git checkout A^0 && + + git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && + + test_i18ngrep Path.updated:.*z/e/f.added.in.B^0.*y/e/f out && + test_i18ngrep Path.updated:.*z/d.added.in.B^0.*y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/[de]" paths && + + test_path_is_missing z/d && + test_path_is_file y/d && + test_path_is_missing z/e/f && + test_path_is_file y/e/f + ) +' + +# Testcase 13b, Transitive rename with conflicted content merge and default +# "conflict" setting +# (Related to testcase 1c, 9b) +# Commit O: z/{b,c}, x/d_1 +# Commit A: y/{b,c}, x/d_2 +# Commit B: z/{b,c,d_3} +# Expected: y/{b,c,d_merged}, with two conflict messages for y/d, +# one about content, and one about file location + +test_expect_success '13b-setup: messages for transitive rename with conflicted content' ' + test_create_repo 13b && + ( + cd 13b && + + mkdir x && + mkdir z && + test_seq 1 10 >x/d && + echo b >z/b && + echo c >z/c && + git add x z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv z y && + echo 11 >>x/d && + git add x/d && + test_tick && + git commit -m "A" && + + git checkout B && + echo eleven >>x/d && + git mv x/d z/d && + git add z/d && + test_tick && + git commit -m "B" + ) +' + +test_expect_success '13b-check(conflict): messages for transitive rename with conflicted content' ' + ( + cd 13b && + + git checkout A^0 && + + test_must_fail git merge -s recursive B^0 >out 2>err && + + test_i18ngrep CONFLICT.*content.*Merge.conflict.in.y/d out && + test_i18ngrep CONFLICT..file.location.*x/d.renamed.to.z/d.*moved.to.y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/d" paths && + + test_path_is_missing z/d && + test_path_is_file y/d + ) +' + +test_expect_success '13b-check(info): messages for transitive rename with conflicted content' ' + ( + cd 13b && + + git reset --hard && + git checkout A^0 && + + test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && + + test_i18ngrep CONFLICT.*content.*Merge.conflict.in.y/d out && + test_i18ngrep Path.updated:.*x/d.renamed.to.z/d.in.B^0.*moving.it.to.y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/d" paths && + + test_path_is_missing z/d && + test_path_is_file y/d + ) +' + +# Testcase 13c, Rename/rename(1to1) due to directory rename +# Commit O: z/{b,c}, x/{d,e} +# Commit A: y/{b,c,d}, x/e +# Commit B: z/{b,c,d}, x/e +# Expected: y/{b,c,d}, with info or conflict messages for d ( +# A: renamed x/d -> z/d; B: renamed z/ -> y/ AND renamed x/d to y/d +# One could argue A had partial knowledge of what was done with +# d and B had full knowledge, but that's a slippery slope as +# shown in testcase 13d. + +test_expect_success '13c-setup: messages for rename/rename(1to1) via transitive rename' ' + test_create_repo 13c && + ( + cd 13c && + + mkdir x && + mkdir z && + test_seq 1 10 >x/d && + echo e >x/e && + echo b >z/b && + echo c >z/c && + git add x z && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv z y && + git mv x/d y/ && + test_tick && + git commit -m "A" && + + git checkout B && + git mv x/d z/d && + git add z/d && + test_tick && + git commit -m "B" + ) +' + +test_expect_success '13c-check(conflict): messages for rename/rename(1to1) via transitive rename' ' + ( + cd 13c && + + git checkout A^0 && + + test_must_fail git merge -s recursive B^0 >out 2>err && + + test_i18ngrep CONFLICT..file.location.*x/d.renamed.to.z/d.*moved.to.y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/d" paths && + + test_path_is_missing z/d && + test_path_is_file y/d + ) +' + +test_expect_success '13c-check(info): messages for rename/rename(1to1) via transitive rename' ' + ( + cd 13c && + + git reset --hard && + git checkout A^0 && + + git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && + + test_i18ngrep Path.updated:.*x/d.renamed.to.z/d.in.B^0.*moving.it.to.y/d out && + + git ls-files >paths && + ! grep z/ paths && + grep "y/d" paths && + + test_path_is_missing z/d && + test_path_is_file y/d + ) +' + +# Testcase 13d, Rename/rename(1to1) due to directory rename on both sides +# Commit O: a/{z,y}, b/x, c/w +# Commit A: a/z, b/{y,x}, d/w +# Commit B: a/z, d/x, c/{y,w} +# Expected: a/z, d/{y,x,w} with no file location conflict for x +# Easy cases: +# * z is always in a; so it stays in a. +# * x starts in b, only modified on one side to move into d/ +# * w starts in c, only modified on one side to move into d/ +# Hard case: +# * A renames a/y to b/y, and B renames b/->d/ => a/y -> d/y +# * B renames a/y to c/y, and A renames c/->d/ => a/y -> d/y +# No conflict in where a/y ends up, so put it in d/y. + +test_expect_success '13d-setup: messages for rename/rename(1to1) via dual transitive rename' ' + test_create_repo 13d && + ( + cd 13d && + + mkdir a && + mkdir b && + mkdir c && + echo z >a/z && + echo y >a/y && + echo x >b/x && + echo w >c/w && + git add a b c && + test_tick && + git commit -m "O" && + + git branch O && + git branch A && + git branch B && + + git checkout A && + git mv a/y b/ && + git mv c/ d/ && + test_tick && + git commit -m "A" && + + git checkout B && + git mv a/y c/ && + git mv b/ d/ && + test_tick && + git commit -m "B" + ) +' + +test_expect_success '13d-check(conflict): messages for rename/rename(1to1) via dual transitive rename' ' + ( + cd 13d && + + git checkout A^0 && + + test_must_fail git merge -s recursive B^0 >out 2>err && + + test_i18ngrep CONFLICT..file.location.*a/y.renamed.to.b/y.*moved.to.d/y out && + test_i18ngrep CONFLICT..file.location.*a/y.renamed.to.c/y.*moved.to.d/y out && + + git ls-files >paths && + ! grep b/ paths && + ! grep c/ paths && + grep "d/y" paths && + + test_path_is_missing b/y && + test_path_is_missing c/y && + test_path_is_file d/y + ) +' + +test_expect_success '13d-check(info): messages for rename/rename(1to1) via dual transitive rename' ' + ( + cd 13d && + + git reset --hard && + git checkout A^0 && + + git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && + + test_i18ngrep Path.updated.*a/y.renamed.to.b/y.*moving.it.to.d/y out && + test_i18ngrep Path.updated.*a/y.renamed.to.c/y.*moving.it.to.d/y out && + + git ls-files >paths && + ! grep b/ paths && + ! grep c/ paths && + grep "d/y" paths && + + test_path_is_missing b/y && + test_path_is_missing c/y && + test_path_is_file d/y + ) +' + test_done diff --git a/t/t6046-merge-skip-unneeded-updates.sh b/t/t6046-merge-skip-unneeded-updates.sh index 38e24f787c..3a47623ed3 100755 --- a/t/t6046-merge-skip-unneeded-updates.sh +++ b/t/t6046-merge-skip-unneeded-updates.sh @@ -466,7 +466,7 @@ test_expect_success '3a-check-L: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout A^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive B^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -495,7 +495,7 @@ test_expect_success '3a-check-R: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout B^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive A^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -560,7 +560,7 @@ test_expect_success '3b-check-L: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout A^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive B^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && @@ -589,7 +589,7 @@ test_expect_success '3b-check-R: bq_1->foo/bq_2 on A, foo/->bar/ on B' ' git checkout B^0 && - GIT_MERGE_VERBOSITY=3 git merge -s recursive A^0 >out 2>err && + GIT_MERGE_VERBOSITY=3 git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err && test_i18ngrep ! "Skipped bar/bq" out && test_must_be_empty err && diff --git a/tree-diff.c b/tree-diff.c index e6d306f69f..f1f641eb6a 100644 --- a/tree-diff.c +++ b/tree-diff.c @@ -181,7 +181,7 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p, struct tree_desc *t, struct tree_desc *tp, int imin) { - unsigned mode; + unsigned short mode; const char *path; const struct object_id *oid; int pathlen; diff --git a/tree-walk.c b/tree-walk.c index 1e4bbc8a0e..ec32a47b2e 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -500,7 +500,7 @@ struct dir_state { struct object_id oid; }; -static int find_tree_entry(struct tree_desc *t, const char *name, struct object_id *result, unsigned *mode) +static int find_tree_entry(struct tree_desc *t, const char *name, struct object_id *result, unsigned short *mode) { int namelen = strlen(name); while (t->size) { @@ -535,7 +535,7 @@ static int find_tree_entry(struct tree_desc *t, const char *name, struct object_ return -1; } -int get_tree_entry(const struct object_id *tree_oid, const char *name, struct object_id *oid, unsigned *mode) +int get_tree_entry(const struct object_id *tree_oid, const char *name, struct object_id *oid, unsigned short *mode) { int retval; void *tree; @@ -585,7 +585,7 @@ int get_tree_entry(const struct object_id *tree_oid, const char *name, struct ob * See the code for enum get_oid_result for a description of * the return values. */ -enum get_oid_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned *mode) +enum get_oid_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned short *mode) { int retval = MISSING_OBJECT; struct dir_state *parents = NULL; diff --git a/tree-walk.h b/tree-walk.h index 8225171866..3aa381b6a3 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -16,7 +16,7 @@ struct tree_desc { unsigned int size; }; -static inline const struct object_id *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned int *modep) +static inline const struct object_id *tree_entry_extract(struct tree_desc *desc, const char **pathp, unsigned short *modep) { *pathp = desc->entry.path; *modep = desc->entry.mode; @@ -51,7 +51,7 @@ struct traverse_info; typedef int (*traverse_callback_t)(int n, unsigned long mask, unsigned long dirmask, struct name_entry *entry, struct traverse_info *); int traverse_trees(struct index_state *istate, int n, struct tree_desc *t, struct traverse_info *info); -enum get_oid_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned *mode); +enum get_oid_result get_tree_entry_follow_symlinks(struct object_id *tree_oid, const char *name, struct object_id *result, struct strbuf *result_path, unsigned short *mode); struct traverse_info { const char *traverse_path; @@ -66,7 +66,7 @@ struct traverse_info { int show_all_errors; }; -int get_tree_entry(const struct object_id *, const char *, struct object_id *, unsigned *); +int get_tree_entry(const struct object_id *, const char *, struct object_id *, unsigned short *); extern char *make_traverse_path(char *path, const struct traverse_info *info, const struct name_entry *n); extern void setup_traverse_info(struct traverse_info *info, const char *base); |