diff options
Diffstat (limited to 'refs/ref-cache.c')
-rw-r--r-- | refs/ref-cache.c | 97 |
1 files changed, 25 insertions, 72 deletions
diff --git a/refs/ref-cache.c b/refs/ref-cache.c index 49d732f6db..be4aa5e098 100644 --- a/refs/ref-cache.c +++ b/refs/ref-cache.c @@ -49,7 +49,7 @@ struct ref_cache *create_ref_cache(struct ref_store *refs, ret->ref_store = refs; ret->fill_ref_dir = fill_ref_dir; - ret->root = create_dir_entry(ret, "", 0, 1); + ret->root = create_dir_entry(ret, "", 0); return ret; } @@ -86,14 +86,13 @@ static void clear_ref_dir(struct ref_dir *dir) } struct ref_entry *create_dir_entry(struct ref_cache *cache, - const char *dirname, size_t len, - int incomplete) + const char *dirname, size_t len) { struct ref_entry *direntry; FLEX_ALLOC_MEM(direntry, name, dirname, len); direntry->u.subdir.cache = cache; - direntry->flag = REF_DIR | (incomplete ? REF_INCOMPLETE : 0); + direntry->flag = REF_DIR | REF_INCOMPLETE; return direntry; } @@ -144,30 +143,19 @@ int search_ref_dir(struct ref_dir *dir, const char *refname, size_t len) /* * Search for a directory entry directly within dir (without * recursing). Sort dir if necessary. subdirname must be a directory - * name (i.e., end in '/'). If mkdir is set, then create the - * directory if it is missing; otherwise, return NULL if the desired + * name (i.e., end in '/'). Returns NULL if the desired * directory cannot be found. dir must already be complete. */ static struct ref_dir *search_for_subdir(struct ref_dir *dir, - const char *subdirname, size_t len, - int mkdir) + const char *subdirname, size_t len) { int entry_index = search_ref_dir(dir, subdirname, len); struct ref_entry *entry; - if (entry_index == -1) { - if (!mkdir) - return NULL; - /* - * Since dir is complete, the absence of a subdir - * means that the subdir really doesn't exist; - * therefore, create an empty record for it but mark - * the record complete. - */ - entry = create_dir_entry(dir->cache, subdirname, len, 0); - add_entry_to_dir(dir, entry); - } else { - entry = dir->entries[entry_index]; - } + + if (entry_index == -1) + return NULL; + + entry = dir->entries[entry_index]; return get_ref_dir(entry); } @@ -176,18 +164,17 @@ static struct ref_dir *search_for_subdir(struct ref_dir *dir, * tree that should hold refname. If refname is a directory name * (i.e., it ends in '/'), then return that ref_dir itself. dir must * represent the top-level directory and must already be complete. - * Sort ref_dirs and recurse into subdirectories as necessary. If - * mkdir is set, then create any missing directories; otherwise, + * Sort ref_dirs and recurse into subdirectories as necessary. Will * return NULL if the desired directory cannot be found. */ static struct ref_dir *find_containing_dir(struct ref_dir *dir, - const char *refname, int mkdir) + const char *refname) { const char *slash; for (slash = strchr(refname, '/'); slash; slash = strchr(slash + 1, '/')) { size_t dirnamelen = slash - refname + 1; struct ref_dir *subdir; - subdir = search_for_subdir(dir, refname, dirnamelen, mkdir); + subdir = search_for_subdir(dir, refname, dirnamelen); if (!subdir) { dir = NULL; break; @@ -202,7 +189,7 @@ struct ref_entry *find_ref_entry(struct ref_dir *dir, const char *refname) { int entry_index; struct ref_entry *entry; - dir = find_containing_dir(dir, refname, 0); + dir = find_containing_dir(dir, refname); if (!dir) return NULL; entry_index = search_ref_dir(dir, refname, strlen(refname)); @@ -212,50 +199,6 @@ struct ref_entry *find_ref_entry(struct ref_dir *dir, const char *refname) return (entry->flag & REF_DIR) ? NULL : entry; } -int remove_entry_from_dir(struct ref_dir *dir, const char *refname) -{ - int refname_len = strlen(refname); - int entry_index; - struct ref_entry *entry; - int is_dir = refname[refname_len - 1] == '/'; - if (is_dir) { - /* - * refname represents a reference directory. Remove - * the trailing slash; otherwise we will get the - * directory *representing* refname rather than the - * one *containing* it. - */ - char *dirname = xmemdupz(refname, refname_len - 1); - dir = find_containing_dir(dir, dirname, 0); - free(dirname); - } else { - dir = find_containing_dir(dir, refname, 0); - } - if (!dir) - return -1; - entry_index = search_ref_dir(dir, refname, refname_len); - if (entry_index == -1) - return -1; - entry = dir->entries[entry_index]; - - MOVE_ARRAY(&dir->entries[entry_index], - &dir->entries[entry_index + 1], dir->nr - entry_index - 1); - dir->nr--; - if (dir->sorted > entry_index) - dir->sorted--; - free_ref_entry(entry); - return dir->nr; -} - -int add_ref_entry(struct ref_dir *dir, struct ref_entry *ref) -{ - dir = find_containing_dir(dir, ref->name, 1); - if (!dir) - return -1; - add_entry_to_dir(dir, ref); - return 0; -} - /* * Emit a warning and return true iff ref1 and ref2 have the same name * and the same oid. Die if they have the same name but different @@ -435,6 +378,8 @@ struct cache_ref_iterator { * on from there.) */ struct cache_ref_iterator_level *levels; + + struct repository *repo; }; static int cache_ref_iterator_advance(struct ref_iterator *ref_iterator) @@ -491,6 +436,11 @@ static int cache_ref_iterator_advance(struct ref_iterator *ref_iterator) static int cache_ref_iterator_peel(struct ref_iterator *ref_iterator, struct object_id *peeled) { + struct cache_ref_iterator *iter = + (struct cache_ref_iterator *)ref_iterator; + + if (iter->repo != the_repository) + BUG("peeling for non-the_repository is not supported"); return peel_object(ref_iterator->oid, peeled) ? -1 : 0; } @@ -513,6 +463,7 @@ static struct ref_iterator_vtable cache_ref_iterator_vtable = { struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, const char *prefix, + struct repository *repo, int prime_dir) { struct ref_dir *dir; @@ -522,7 +473,7 @@ struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, dir = get_ref_dir(cache->root); if (prefix && *prefix) - dir = find_containing_dir(dir, prefix, 0); + dir = find_containing_dir(dir, prefix); if (!dir) /* There's nothing to iterate over. */ return empty_ref_iterator_begin(); @@ -547,5 +498,7 @@ struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, level->prefix_state = PREFIX_CONTAINS_DIR; } + iter->repo = repo; + return ref_iterator; } |