1 files changed, 0 insertions, 114 deletions
diff --git a/delta.c b/delta.c
deleted file mode 100644
index db85989e7..000000000
--- a/delta.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include "object.h"
-#include "blob.h"
-#include "tree.h"
-#include "commit.h"
-#include "tag.h"
-#include "delta.h"
-#include "cache.h"
-
-/* the delta object definition (it can alias any other object) */
-struct delta {
-	union {
-		struct object object;
-		struct blob blob;
-		struct tree tree;
-		struct commit commit;
-		struct tag tag;
-	} u;
-};
-
-struct delta *lookup_delta(const unsigned char *sha1)
-{
-	struct object *obj = lookup_object(sha1);
-	if (!obj) {
-		struct delta *ret = xmalloc(sizeof(struct delta));
-		memset(ret, 0, sizeof(struct delta));
-		created_object(sha1, &ret->u.object);
-		return ret;
-	}
-	return (struct delta *) obj;
-}
-
-int parse_delta_buffer(struct delta *item, void *buffer, unsigned long size)
-{
-	struct object *reference;
-	struct object_list *p;
-
-	if (item->u.object.delta)
-		return 0;
-	item->u.object.delta = 1;
-	if (size <= 20)
-		return -1;
-	reference = lookup_object(buffer);
-	if (!reference) {
-		struct delta *ref = xmalloc(sizeof(struct delta));
-		memset(ref, 0, sizeof(struct delta));
-		created_object(buffer, &ref->u.object);
-		reference = &ref->u.object;
-	}
-
-	p = xmalloc(sizeof(*p));
-	p->item = &item->u.object;
-	p->next = reference->attached_deltas;
-	reference->attached_deltas = p;
-	return 0;
-}
-
-int process_deltas(void *src, unsigned long src_size, const char *src_type,
-		   struct object_list *delta_list)
-{
-	int deepest = 0;
-	do {
-		struct object *obj = delta_list->item;
-		static char type[10];
-		void *map, *delta, *buf;
-		unsigned long map_size, delta_size, buf_size;
-		map = map_sha1_file(obj->sha1, &map_size);
-		if (!map)
-			continue;
-		delta = unpack_sha1_file(map, map_size, type, &delta_size);
-		munmap(map, map_size);
-		if (!delta)
-			continue;
-		if (strcmp(type, "delta") || delta_size <= 20) {
-			free(delta);
-			continue;
-		}
-		buf = patch_delta(src, src_size,
-				  delta+20, delta_size-20,
-				  &buf_size);
-		free(delta);
-		if (!buf)
-			continue;
-		if (check_sha1_signature(obj->sha1, buf, buf_size, src_type) < 0)
-			printf("sha1 mismatch for delta %s\n", sha1_to_hex(obj->sha1));
-		if (obj->type && obj->type != src_type) {
-			error("got %s when expecting %s for delta %s",
-			      src_type, obj->type, sha1_to_hex(obj->sha1));
-			free(buf);
-			continue;
-		}
-		obj->type = src_type;
-		if (src_type == blob_type) {
-			parse_blob_buffer((struct blob *)obj, buf, buf_size);
-		} else if (src_type == tree_type) {
-			parse_tree_buffer((struct tree *)obj, buf, buf_size);
-		} else if (src_type == commit_type) {
-			parse_commit_buffer((struct commit *)obj, buf, buf_size);
-		} else if (src_type == tag_type) {
-			parse_tag_buffer((struct tag *)obj, buf, buf_size);
-		} else {
-			error("unknown object type %s", src_type);
-			free(buf);
-			continue;
-		}
-		if (obj->attached_deltas) {
-			int depth = process_deltas(buf, buf_size, src_type,
-						   obj->attached_deltas);
-			if (deepest < depth)
-				deepest = depth;
-		}
-		free(buf);
-	} while ((delta_list = delta_list->next));
-	return deepest + 1;
-}