diff options
| -rw-r--r-- | Documentation/git-cat-file.txt | 6 | ||||
| -rw-r--r-- | builtin/cat-file.c | 5 | ||||
| -rw-r--r-- | cache.h | 20 | ||||
| -rw-r--r-- | sha1-name.c | 58 | ||||
| -rwxr-xr-x | t/t1512-rev-parse-disambiguation.sh | 10 | ||||
| -rw-r--r-- | tree-walk.c | 4 | ||||
| -rw-r--r-- | tree-walk.h | 18 |
7 files changed, 72 insertions, 49 deletions
diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt index 9a2e9cdafb..8eca671b82 100644 --- a/Documentation/git-cat-file.txt +++ b/Documentation/git-cat-file.txt @@ -252,6 +252,12 @@ the repository, then `cat-file` will ignore any custom format and print: <object> SP missing LF ------------ +If a name is specified that might refer to more than one object (an ambiguous short sha), then `cat-file` will ignore any custom format and print: + +------------ +<object> SP ambiguous LF +------------ + If --follow-symlinks is used, and a symlink in the repository points outside the repository, then `cat-file` will ignore any custom format and print: diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 2ca56fd086..cebc6d7f8a 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -380,7 +380,7 @@ static void batch_one_object(const char *obj_name, { struct object_context ctx; int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; - enum follow_symlinks_result result; + enum get_oid_result result; result = get_oid_with_context(obj_name, flags, &data->oid, &ctx); if (result != FOUND) { @@ -388,6 +388,9 @@ static void batch_one_object(const char *obj_name, case MISSING_OBJECT: printf("%s missing\n", obj_name); break; + case SHORT_NAME_AMBIGUOUS: + printf("%s ambiguous\n", obj_name); + break; case DANGLING_SYMLINK: printf("dangling %"PRIuMAX"\n%s\n", (uintmax_t)strlen(obj_name), obj_name); @@ -1345,6 +1345,24 @@ struct object_context { GET_OID_TREE | GET_OID_TREEISH | \ GET_OID_BLOB) +enum get_oid_result { + FOUND = 0, + MISSING_OBJECT = -1, /* The requested object is missing */ + SHORT_NAME_AMBIGUOUS = -2, + /* The following only apply when symlinks are followed */ + DANGLING_SYMLINK = -4, /* + * The initial symlink is there, but + * (transitively) points to a missing + * in-tree file + */ + SYMLINK_LOOP = -5, + NOT_DIR = -6, /* + * Somewhere along the symlink chain, a path is + * requested which contains a file as a + * non-final element. + */ +}; + extern int get_oid(const char *str, struct object_id *oid); extern int get_oid_commit(const char *str, struct object_id *oid); extern int get_oid_committish(const char *str, struct object_id *oid); @@ -1352,7 +1370,7 @@ extern int get_oid_tree(const char *str, struct object_id *oid); extern int get_oid_treeish(const char *str, struct object_id *oid); extern int get_oid_blob(const char *str, struct object_id *oid); extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix); -extern int get_oid_with_context(const char *str, unsigned flags, struct object_id *oid, struct object_context *oc); +extern enum get_oid_result get_oid_with_context(const char *str, unsigned flags, struct object_id *oid, struct object_context *oc); typedef int each_abbrev_fn(const struct object_id *oid, void *); diff --git a/sha1-name.c b/sha1-name.c index a656481c6a..4acd406b0a 100644 --- a/sha1-name.c +++ b/sha1-name.c @@ -190,9 +190,6 @@ static void find_short_packed_object(struct disambiguate_state *ds) unique_in_pack(p, ds); } -#define SHORT_NAME_NOT_FOUND (-1) -#define SHORT_NAME_AMBIGUOUS (-2) - static int finish_object_disambiguation(struct disambiguate_state *ds, struct object_id *oid) { @@ -200,7 +197,7 @@ static int finish_object_disambiguation(struct disambiguate_state *ds, return SHORT_NAME_AMBIGUOUS; if (!ds->candidate_exists) - return SHORT_NAME_NOT_FOUND; + return MISSING_OBJECT; if (!ds->candidate_checked) /* @@ -414,8 +411,9 @@ static int sort_ambiguous(const void *a, const void *b) return a_type_sort > b_type_sort ? 1 : -1; } -static int get_short_oid(const char *name, int len, struct object_id *oid, - unsigned flags) +static enum get_oid_result get_short_oid(const char *name, int len, + struct object_id *oid, + unsigned flags) { int status; struct disambiguate_state ds; @@ -733,7 +731,7 @@ static inline int push_mark(const char *string, int len) return at_mark(string, len, suffix, ARRAY_SIZE(suffix)); } -static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags); +static enum get_oid_result get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags); static int interpret_nth_prior_checkout(const char *name, int namelen, struct strbuf *buf); static int get_oid_basic(const char *str, int len, struct object_id *oid, @@ -883,11 +881,12 @@ static int get_oid_basic(const char *str, int len, struct object_id *oid, return 0; } -static int get_parent(const char *name, int len, - struct object_id *result, int idx) +static enum get_oid_result get_parent(const char *name, int len, + struct object_id *result, int idx) { struct object_id oid; - int ret = get_oid_1(name, len, &oid, GET_OID_COMMITTISH); + enum get_oid_result ret = get_oid_1(name, len, &oid, + GET_OID_COMMITTISH); struct commit *commit; struct commit_list *p; @@ -895,24 +894,25 @@ static int get_parent(const char *name, int len, return ret; commit = lookup_commit_reference(the_repository, &oid); if (parse_commit(commit)) - return -1; + return MISSING_OBJECT; if (!idx) { oidcpy(result, &commit->object.oid); - return 0; + return FOUND; } p = commit->parents; while (p) { if (!--idx) { oidcpy(result, &p->item->object.oid); - return 0; + return FOUND; } p = p->next; } - return -1; + return MISSING_OBJECT; } -static int get_nth_ancestor(const char *name, int len, - struct object_id *result, int generation) +static enum get_oid_result get_nth_ancestor(const char *name, int len, + struct object_id *result, + int generation) { struct object_id oid; struct commit *commit; @@ -923,15 +923,15 @@ static int get_nth_ancestor(const char *name, int len, return ret; commit = lookup_commit_reference(the_repository, &oid); if (!commit) - return -1; + return MISSING_OBJECT; while (generation--) { if (parse_commit(commit) || !commit->parents) - return -1; + return MISSING_OBJECT; commit = commit->parents->item; } oidcpy(result, &commit->object.oid); - return 0; + return FOUND; } struct object *peel_to_type(const char *name, int namelen, @@ -1077,7 +1077,9 @@ static int get_describe_name(const char *name, int len, struct object_id *oid) return -1; } -static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags) +static enum get_oid_result get_oid_1(const char *name, int len, + struct object_id *oid, + unsigned lookup_flags) { int ret, has_suffix; const char *cp; @@ -1111,16 +1113,16 @@ static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned ret = peel_onion(name, len, oid, lookup_flags); if (!ret) - return 0; + return FOUND; ret = get_oid_basic(name, len, oid, lookup_flags); if (!ret) - return 0; + return FOUND; /* It could be describe output that is "SOMETHING-gXXXX" */ ret = get_describe_name(name, len, oid); if (!ret) - return 0; + return FOUND; return get_short_oid(name, len, oid, lookup_flags); } @@ -1664,11 +1666,11 @@ static char *resolve_relative_path(const char *rel) rel); } -static int get_oid_with_context_1(const char *name, - unsigned flags, - const char *prefix, - struct object_id *oid, - struct object_context *oc) +static enum get_oid_result get_oid_with_context_1(const char *name, + unsigned flags, + const char *prefix, + struct object_id *oid, + struct object_context *oc) { int ret, bracket_depth; int namelen = strlen(name); diff --git a/t/t1512-rev-parse-disambiguation.sh b/t/t1512-rev-parse-disambiguation.sh index e4d5b56014..c19fb500cb 100755 --- a/t/t1512-rev-parse-disambiguation.sh +++ b/t/t1512-rev-parse-disambiguation.sh @@ -388,4 +388,14 @@ test_expect_success C_LOCALE_OUTPUT 'ambiguous commits are printed by type first done ' +test_expect_success 'cat-file --batch and --batch-check show ambiguous' ' + echo "0000 ambiguous" >expect && + echo 0000 | git cat-file --batch-check >actual 2>err && + test_cmp expect actual && + test_i18ngrep hint: err && + echo 0000 | git cat-file --batch >actual 2>err && + test_cmp expect actual && + test_i18ngrep hint: err +' + test_done diff --git a/tree-walk.c b/tree-walk.c index 277e3b3243..1e4bbc8a0e 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -582,10 +582,10 @@ int get_tree_entry(const struct object_id *tree_oid, const char *name, struct ob * with the sha1 of the found object, and *mode will hold the mode of * the object. * - * See the code for enum follow_symlink_result for a description of + * See the code for enum get_oid_result for a description of * the return values. */ -enum follow_symlinks_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 *mode) { int retval = MISSING_OBJECT; struct dir_state *parents = NULL; diff --git a/tree-walk.h b/tree-walk.h index a4ad28ea5e..8225171866 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -51,23 +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 follow_symlinks_result { - FOUND = 0, /* This includes out-of-tree links */ - MISSING_OBJECT = -1, /* The initial symlink is missing */ - DANGLING_SYMLINK = -2, /* - * The initial symlink is there, but - * (transitively) points to a missing - * in-tree file - */ - SYMLINK_LOOP = -3, - NOT_DIR = -4, /* - * Somewhere along the symlink chain, a path is - * requested which contains a file as a - * non-final element. - */ -}; - -enum follow_symlinks_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 *mode); struct traverse_info { const char *traverse_path; |