diff options
Diffstat (limited to 'sha1_file.c')
-rw-r--r-- | sha1_file.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sha1_file.c b/sha1_file.c index f3920c2aef..49517a414d 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -704,6 +704,57 @@ static unsigned long unpack_object_header(struct packed_git *p, unsigned long of return offset; } +void packed_object_info_detail(struct pack_entry *e, + char *type, + unsigned long *size, + unsigned long *store_size, + int *delta_chain_length, + unsigned char *base_sha1) +{ + struct packed_git *p = e->p; + unsigned long offset, left; + unsigned char *pack; + enum object_type kind; + + offset = unpack_object_header(p, e->offset, &kind, size); + pack = p->pack_base + offset; + left = p->pack_size - offset; + if (kind != OBJ_DELTA) + *delta_chain_length = 0; + else { + int chain_length = 0; + memcpy(base_sha1, pack, 20); + do { + struct pack_entry base_ent; + unsigned long junk; + + find_pack_entry_one(pack, &base_ent, p); + offset = unpack_object_header(p, base_ent.offset, + &kind, &junk); + pack = p->pack_base + offset; + chain_length++; + } while (kind == OBJ_DELTA); + *delta_chain_length = chain_length; + } + switch (kind) { + case OBJ_COMMIT: + strcpy(type, "commit"); + break; + case OBJ_TREE: + strcpy(type, "tree"); + break; + case OBJ_BLOB: + strcpy(type, "blob"); + break; + case OBJ_TAG: + strcpy(type, "tag"); + break; + default: + die("corrupted pack file"); + } + *store_size = 0; /* notyet */ +} + static int packed_object_info(struct pack_entry *entry, char *type, unsigned long *sizep) { |