diff options
author | Elijah Newren <newren@gmail.com> | 2023-05-16 09:33:45 +0300 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2023-06-21 23:39:53 +0300 |
commit | 1a40e7be6cb7dda07d23d8beb84622e63d1aa42c (patch) | |
tree | 1ce6c8acbf773c3684ac577732a46406827865ea /builtin | |
parent | e8cf8ef5075d7805846f0f7159f8d072b07e588e (diff) |
read-cache: move shared commit and ls-files code
The function overlay_tree_on_index(), plus associated helper functions,
were defined in builtin/ls-files.c, but also shared with
builtin/commit.c. Move these shared functions to read-cache.c.
Diff best viewed with `--color-moved`.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/ls-files.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 72012c0f0f..eb7cce4e6e 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -543,143 +543,6 @@ static int get_common_prefix_len(const char *common_prefix) return common_prefix_len; } -static int read_one_entry_opt(struct index_state *istate, - const struct object_id *oid, - struct strbuf *base, - const char *pathname, - unsigned mode, int opt) -{ - int len; - struct cache_entry *ce; - - if (S_ISDIR(mode)) - return READ_TREE_RECURSIVE; - - len = strlen(pathname); - ce = make_empty_cache_entry(istate, base->len + len); - - ce->ce_mode = create_ce_mode(mode); - ce->ce_flags = create_ce_flags(1); - ce->ce_namelen = base->len + len; - memcpy(ce->name, base->buf, base->len); - memcpy(ce->name + base->len, pathname, len+1); - oidcpy(&ce->oid, oid); - return add_index_entry(istate, ce, opt); -} - -static int read_one_entry(const struct object_id *oid, struct strbuf *base, - const char *pathname, unsigned mode, - void *context) -{ - struct index_state *istate = context; - return read_one_entry_opt(istate, oid, base, pathname, - mode, - ADD_CACHE_OK_TO_ADD|ADD_CACHE_SKIP_DFCHECK); -} - -/* - * This is used when the caller knows there is no existing entries at - * the stage that will conflict with the entry being added. - */ -static int read_one_entry_quick(const struct object_id *oid, struct strbuf *base, - const char *pathname, unsigned mode, - void *context) -{ - struct index_state *istate = context; - return read_one_entry_opt(istate, oid, base, pathname, - mode, ADD_CACHE_JUST_APPEND); -} - -/* - * Read the tree specified with --with-tree option - * (typically, HEAD) into stage #1 and then - * squash them down to stage #0. This is used for - * --error-unmatch to list and check the path patterns - * that were given from the command line. We are not - * going to write this index out. - */ -void overlay_tree_on_index(struct index_state *istate, - const char *tree_name, const char *prefix) -{ - struct tree *tree; - struct object_id oid; - struct pathspec pathspec; - struct cache_entry *last_stage0 = NULL; - int i; - read_tree_fn_t fn = NULL; - int err; - - if (repo_get_oid(the_repository, tree_name, &oid)) - die("tree-ish %s not found.", tree_name); - tree = parse_tree_indirect(&oid); - if (!tree) - die("bad tree-ish %s", tree_name); - - /* Hoist the unmerged entries up to stage #3 to make room */ - /* TODO: audit for interaction with sparse-index. */ - ensure_full_index(istate); - for (i = 0; i < istate->cache_nr; i++) { - struct cache_entry *ce = istate->cache[i]; - if (!ce_stage(ce)) - continue; - ce->ce_flags |= CE_STAGEMASK; - } - - if (prefix) { - static const char *(matchbuf[1]); - matchbuf[0] = NULL; - parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC, - PATHSPEC_PREFER_CWD, prefix, matchbuf); - } else - memset(&pathspec, 0, sizeof(pathspec)); - - /* - * See if we have cache entry at the stage. If so, - * do it the original slow way, otherwise, append and then - * sort at the end. - */ - for (i = 0; !fn && i < istate->cache_nr; i++) { - const struct cache_entry *ce = istate->cache[i]; - if (ce_stage(ce) == 1) - fn = read_one_entry; - } - - if (!fn) - fn = read_one_entry_quick; - err = read_tree(the_repository, tree, &pathspec, fn, istate); - clear_pathspec(&pathspec); - if (err) - die("unable to read tree entries %s", tree_name); - - /* - * Sort the cache entry -- we need to nuke the cache tree, though. - */ - if (fn == read_one_entry_quick) { - cache_tree_free(&istate->cache_tree); - QSORT(istate->cache, istate->cache_nr, cmp_cache_name_compare); - } - - for (i = 0; i < istate->cache_nr; i++) { - struct cache_entry *ce = istate->cache[i]; - switch (ce_stage(ce)) { - case 0: - last_stage0 = ce; - /* fallthru */ - default: - continue; - case 1: - /* - * If there is stage #0 entry for this, we do not - * need to show it. We use CE_UPDATE bit to mark - * such an entry. - */ - if (last_stage0 && - !strcmp(last_stage0->name, ce->name)) - ce->ce_flags |= CE_UPDATE; - } - } -} - static const char * const ls_files_usage[] = { N_("git ls-files [<options>] [<file>...]"), NULL |