1 files changed, 12 insertions, 59 deletions

diff --git a/upload-pack.c b/upload-pack.c
index de6106a9dd..62a1000f44 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -3,6 +3,7 @@
 #include "refs.h"
 #include "pkt-line.h"
 #include "sideband.h"
+#include "repository.h"
 #include "object-store.h"
 #include "tag.h"
 #include "object.h"
@@ -23,13 +24,13 @@
 #include "quote.h"
 #include "upload-pack.h"
 #include "serve.h"
+#include "commit-reach.h"
 
 /* Remember to update object flag allocation in object.h */
 #define THEY_HAVE	(1u << 11)
 #define OUR_REF		(1u << 12)
 #define WANTED		(1u << 13)
 #define COMMON_KNOWN	(1u << 14)
-#define REACHABLE	(1u << 15)
 
 #define SHALLOW		(1u << 16)
 #define NOT_SHALLOW	(1u << 17)
@@ -312,7 +313,7 @@ static int got_oid(const char *hex, struct object_id *oid)
 	if (!has_object_file(oid))
 		return -1;
 
-	o = parse_object(oid);
+	o = parse_object(the_repository, oid);
 	if (!o)
 		die("oops (%s)", oid_to_hex(oid));
 	if (o->type == OBJ_COMMIT) {
@@ -336,64 +337,16 @@ static int got_oid(const char *hex, struct object_id *oid)
 	return 0;
 }
 
-static int reachable(struct commit *want)
-{
-	struct prio_queue work = { compare_commits_by_commit_date };
-
-	prio_queue_put(&work, want);
-	while (work.nr) {
-		struct commit_list *list;
-		struct commit *commit = prio_queue_get(&work);
-
-		if (commit->object.flags & THEY_HAVE) {
-			want->object.flags |= COMMON_KNOWN;
-			break;
-		}
-		if (!commit->object.parsed)
-			parse_object(&commit->object.oid);
-		if (commit->object.flags & REACHABLE)
-			continue;
-		commit->object.flags |= REACHABLE;
-		if (commit->date < oldest_have)
-			continue;
-		for (list = commit->parents; list; list = list->next) {
-			struct commit *parent = list->item;
-			if (!(parent->object.flags & REACHABLE))
-				prio_queue_put(&work, parent);
-		}
-	}
-	want->object.flags |= REACHABLE;
-	clear_commit_marks(want, REACHABLE);
-	clear_prio_queue(&work);
-	return (want->object.flags & COMMON_KNOWN);
-}
-
 static int ok_to_give_up(void)
 {
-	int i;
+	uint32_t min_generation = GENERATION_NUMBER_ZERO;
 
 	if (!have_obj.nr)
 		return 0;
 
-	for (i = 0; i < want_obj.nr; i++) {
-		struct object *want = want_obj.objects[i].item;
-
-		if (want->flags & COMMON_KNOWN)
-			continue;
-		want = deref_tag(want, "a want line", 0);
-		if (!want || want->type != OBJ_COMMIT) {
-			/* no way to tell if this is reachable by
-			 * looking at the ancestry chain alone, so
-			 * leave a note to ourselves not to worry about
-			 * this object anymore.
-			 */
-			want_obj.objects[i].item->flags |= COMMON_KNOWN;
-			continue;
-		}
-		if (!reachable((struct commit *)want))
-			return 0;
-	}
-	return 1;
+	return can_all_from_reach_with_flag(&want_obj, THEY_HAVE,
+					    COMMON_KNOWN, oldest_have,
+					    min_generation);
 }
 
 static int get_common_commits(void)
@@ -570,7 +523,7 @@ static int get_reachable_list(struct object_array *src,
 		if (parse_oid_hex(namebuf, &sha1, &p) || *p != '\n')
 			break;
 
-		o = lookup_object(sha1.hash);
+		o = lookup_object(the_repository, sha1.hash);
 		if (o && o->type == OBJ_COMMIT) {
 			o->flags &= ~TMP_MARK;
 		}
@@ -801,7 +754,7 @@ static int process_shallow(const char *line, struct object_array *shallows)
 		struct object *object;
 		if (get_oid_hex(arg, &oid))
 			die("invalid shallow line: %s", line);
-		object = parse_object(&oid);
+		object = parse_object(the_repository, &oid);
 		if (!object)
 			return 1;
 		if (object->type != OBJ_COMMIT)
@@ -927,7 +880,7 @@ static void receive_needs(void)
 		if (allow_filter && parse_feature_request(features, "filter"))
 			filter_capability_requested = 1;
 
-		o = parse_object(&oid_buf);
+		o = parse_object(the_repository, &oid_buf);
 		if (!o) {
 			packet_write_fmt(1,
 					 "ERR upload-pack: not our ref %s",
@@ -1174,7 +1127,7 @@ static int parse_want(const char *line)
 			die("git upload-pack: protocol error, "
 			    "expected to get oid, not '%s'", line);
 
-		o = parse_object(&oid);
+		o = parse_object(the_repository, &oid);
 		if (!o) {
 			packet_write_fmt(1,
 					 "ERR upload-pack: not our ref %s",
@@ -1316,7 +1269,7 @@ static int process_haves(struct oid_array *haves, struct oid_array *common)
 
 		oid_array_append(common, oid);
 
-		o = parse_object(oid);
+		o = parse_object(the_repository, oid);
 		if (!o)
 			die("oops (%s)", oid_to_hex(oid));
 		if (o->type == OBJ_COMMIT) {