diff options
| -rw-r--r-- | object.c | 40 | ||||
| -rw-r--r-- | object.h | 3 |
2 files changed, 43 insertions, 0 deletions
@@ -1,5 +1,9 @@ #include "object.h" +#include "blob.h" +#include "tree.h" +#include "commit.h" #include "cache.h" +#include "tag.h" #include <stdlib.h> #include <string.h> @@ -94,3 +98,39 @@ void mark_reachable(struct object *obj, unsigned int mask) p = p->next; } } + +struct object *parse_object(unsigned char *sha1) +{ + unsigned long mapsize; + void *map = map_sha1_file(sha1, &mapsize); + if (map) { + char type[100]; + unsigned long size; + void *buffer = unpack_sha1_file(map, mapsize, type, &size); + if (!buffer) + return NULL; + if (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; + } else if (!strcmp(type, "tree")) { + struct tree *ret = lookup_tree(sha1); + parse_tree(ret); + return &ret->object; + } else if (!strcmp(type, "commit")) { + struct commit *ret = lookup_commit(sha1); + parse_commit(ret); + return &ret->object; + } else if (!strcmp(type, "tag")) { + struct tag *ret = lookup_tag(sha1); + parse_tag(ret); + return &ret->object; + } else { + return NULL; + } + } + return NULL; +} @@ -22,6 +22,9 @@ struct object *lookup_object(unsigned char *sha1); void created_object(unsigned char *sha1, struct object *obj); +/** Returns the object, having parsed it to find out what it is. **/ +struct object *parse_object(unsigned char *sha1); + void add_ref(struct object *refer, struct object *target); void mark_reachable(struct object *obj, unsigned int mask); |