diff options
-rw-r--r-- | fetch-pack.c | 52 | ||||
-rw-r--r-- | object.h | 2 |
2 files changed, 43 insertions, 11 deletions
diff --git a/fetch-pack.c b/fetch-pack.c index 54f84c5733..e0f5d5ce87 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -35,6 +35,7 @@ static const char *alternate_shallow_file; #define COMMON_REF (1U << 2) #define SEEN (1U << 3) #define POPPED (1U << 4) +#define ALTERNATE (1U << 5) static int marked; @@ -67,6 +68,41 @@ static inline void print_verbose(const struct fetch_pack_args *args, fputc('\n', stderr); } +struct alternate_object_cache { + struct object **items; + size_t nr, alloc; +}; + +static void cache_one_alternate(const char *refname, + const struct object_id *oid, + void *vcache) +{ + struct alternate_object_cache *cache = vcache; + struct object *obj = parse_object(oid->hash); + + if (!obj || (obj->flags & ALTERNATE)) + return; + + obj->flags |= ALTERNATE; + ALLOC_GROW(cache->items, cache->nr + 1, cache->alloc); + cache->items[cache->nr++] = obj; +} + +static void for_each_cached_alternate(void (*cb)(struct object *)) +{ + static int initialized; + static struct alternate_object_cache cache; + size_t i; + + if (!initialized) { + for_each_alternate_ref(cache_one_alternate, &cache); + initialized = 1; + } + + for (i = 0; i < cache.nr; i++) + cb(cache.items[i]); +} + static void rev_list_push(struct commit *commit, int mark) { if (!(commit->object.flags & mark)) { @@ -253,11 +289,9 @@ static void send_request(struct fetch_pack_args *args, write_or_die(fd, buf->buf, buf->len); } -static void insert_one_alternate_ref(const char *refname, - const struct object_id *oid, - void *unused) +static void insert_one_alternate_object(struct object *obj) { - rev_list_insert_ref(NULL, oid->hash); + rev_list_insert_ref(NULL, obj->oid.hash); } #define INITIAL_FLUSH 16 @@ -300,7 +334,7 @@ static int find_common(struct fetch_pack_args *args, marked = 1; for_each_ref(rev_list_insert_ref_oid, NULL); - for_each_alternate_ref(insert_one_alternate_ref, NULL); + for_each_cached_alternate(insert_one_alternate_object); fetching = 0; for ( ; refs ; refs = refs->next) { @@ -621,11 +655,9 @@ static void filter_refs(struct fetch_pack_args *args, *refs = newlist; } -static void mark_alternate_complete(const char *refname, - const struct object_id *oid, - void *unused) +static void mark_alternate_complete(struct object *obj) { - mark_complete(oid->hash); + mark_complete(obj->oid.hash); } static int everything_local(struct fetch_pack_args *args, @@ -661,7 +693,7 @@ static int everything_local(struct fetch_pack_args *args, if (!args->deepen) { for_each_ref(mark_complete_oid, NULL); - for_each_alternate_ref(mark_alternate_complete, NULL); + for_each_cached_alternate(mark_alternate_complete); commit_list_sort_by_date(&complete); if (cutoff) mark_recent_complete_commits(args, cutoff); @@ -29,7 +29,7 @@ struct object_array { /* * object flag allocation: * revision.h: 0---------10 26 - * fetch-pack.c: 0---4 + * fetch-pack.c: 0---5 * walker.c: 0-2 * upload-pack.c: 4 11----------------19 * builtin/blame.c: 12-13 |