#include "commit.h"
#include "cache.h"
#include "tag.h"
-#include <stdlib.h>
-#include <string.h>
+#include "delta.h"
struct object **objs;
int nr_objs;
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));
- free(buffer);
- 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);
+ if (!commit->buffer) {
+ commit->buffer = buffer;
+ buffer = NULL;
+ }
+ 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;
}