X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;ds=sidebyside;f=object.c;h=21f872ee163e9eeff1a52854791c5b96a2ec2ceb;hb=180926636e47ecfe28d03cec493af75899994f0f;hp=d093e17d240cff9e62a62b74ca4b3c86a472f54a;hpb=6b0c3121061df6b323f430700e8077b324b5e9dd;p=git.git

diff --git a/object.c b/object.c
index d093e17d..21f872ee 100644
--- a/object.c
+++ b/object.c
@@ -10,7 +10,7 @@ struct object **objs;
 int nr_objs;
 static int obj_allocs;
 
-static int find_object(unsigned char *sha1)
+static int find_object(const unsigned char *sha1)
 {
 	int first = 0, last = nr_objs;
 
@@ -31,7 +31,7 @@ static int find_object(unsigned char *sha1)
         return -first-1;
 }
 
-struct object *lookup_object(unsigned char *sha1)
+struct object *lookup_object(const unsigned char *sha1)
 {
 	int pos = find_object(sha1);
 	if (pos >= 0)
@@ -39,7 +39,7 @@ struct object *lookup_object(unsigned char *sha1)
 	return NULL;
 }
 
-void created_object(unsigned char *sha1, struct object *obj)
+void created_object(const unsigned char *sha1, struct object *obj)
 {
 	int pos = find_object(sha1);
 
@@ -98,7 +98,23 @@ void mark_reachable(struct object *obj, unsigned int mask)
 	}
 }
 
-struct object *parse_object(unsigned char *sha1)
+struct object *lookup_object_type(const unsigned char *sha1, const char *type)
+{
+	if (!strcmp(type, blob_type)) {
+		return &lookup_blob(sha1)->object;
+	} else if (!strcmp(type, tree_type)) {
+		return &lookup_tree(sha1)->object;
+	} else if (!strcmp(type, commit_type)) {
+		return &lookup_commit(sha1)->object;
+	} else if (!strcmp(type, tag_type)) {
+		return &lookup_tag(sha1)->object;
+	} else {
+		error("Unknown type %s", type);
+		return NULL;
+	}
+}
+
+struct object *parse_object(const unsigned char *sha1)
 {
 	unsigned long mapsize;
 	void *map = map_sha1_file(sha1, &mapsize);
@@ -129,6 +145,10 @@ struct object *parse_object(unsigned char *sha1)
 		} else if (!strcmp(type, "commit")) {
 			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 *tag = lookup_tag(sha1);