X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=object.c;h=d093e17d240cff9e62a62b74ca4b3c86a472f54a;hb=d0309355c9d0df60836b0610169044873f791caf;hp=ca4af8fa2dc0672b92310a3ebdd4d14bf070dd69;hpb=e9eefa676178a972f055c978cac9a9ae06b6703a;p=git.git diff --git a/object.c b/object.c index ca4af8fa..d093e17d 100644 --- a/object.c +++ b/object.c @@ -4,8 +4,7 @@ #include "commit.h" #include "cache.h" #include "tag.h" -#include -#include +#include "delta.h" struct object **objs; int nr_objs; @@ -104,33 +103,42 @@ struct object *parse_object(unsigned char *sha1) unsigned long mapsize; void *map = map_sha1_file(sha1, &mapsize); if (map) { + int is_delta; + struct object *obj; char type[100]; unsigned long size; void *buffer = unpack_sha1_file(map, mapsize, type, &size); + munmap(map, mapsize); if (!buffer) return NULL; - if (check_sha1_signature(sha1, buffer, size, type) < 0) + is_delta = !strcmp(type, "delta"); + if (!is_delta && check_sha1_signature(sha1, buffer, size, type) < 0) printf("sha1 mismatch %s\n", sha1_to_hex(sha1)); - munmap(map, mapsize); - if (!strcmp(type, "blob")) { - struct blob *ret = lookup_blob(sha1); - parse_blob(ret); - return &ret->object; + if (is_delta) { + struct delta *delta = lookup_delta(sha1); + parse_delta_buffer(delta, buffer, size); + obj = (struct object *) delta; + } else if (!strcmp(type, "blob")) { + struct blob *blob = lookup_blob(sha1); + parse_blob_buffer(blob, buffer, size); + obj = &blob->object; } else if (!strcmp(type, "tree")) { - struct tree *ret = lookup_tree(sha1); - parse_tree(ret); - return &ret->object; + struct tree *tree = lookup_tree(sha1); + parse_tree_buffer(tree, buffer, size); + obj = &tree->object; } else if (!strcmp(type, "commit")) { - struct commit *ret = lookup_commit(sha1); - parse_commit(ret); - return &ret->object; + struct commit *commit = lookup_commit(sha1); + parse_commit_buffer(commit, buffer, size); + obj = &commit->object; } else if (!strcmp(type, "tag")) { - struct tag *ret = lookup_tag(sha1); - parse_tag(ret); - return &ret->object; + struct tag *tag = lookup_tag(sha1); + parse_tag_buffer(tag, buffer, size); + obj = &tag->object; } else { - return NULL; + obj = NULL; } + free(buffer); + return obj; } return NULL; }