Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
object.h | 2 +-
upload-pack.c | 51 ++++++++++++++++++++++++++++++++++++++++++++-------
2 files changed, 45 insertions(+), 8 deletions(-)
diff --git a/object.h b/object.h
index f8b6442..614a006 100644
--- a/object.h
+++ b/object.h
@@ -31,7 +31,7 @@ struct object_array {
* revision.h: 0---------10 26
* fetch-pack.c: 0---4
* walker.c: 0-2
- * upload-pack.c: 11----------------19
+ * upload-pack.c: 4 11----------------19
* builtin/blame.c: 12-13
* bisect.c: 16
* bundle.c: 16
diff --git a/upload-pack.c b/upload-pack.c
index a72ffc2..1270aa3 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -451,8 +451,16 @@ static int is_our_ref(struct object *o)
(ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1));
return o->flags & ((allow_hidden_ref ? HIDDEN_REF : 0) | OUR_REF);
}
-
-static int check_unreachable(struct object_array *src)
+/*
+ * If reachable is NULL, return 1 if there is no unreachable object,
+ * zero otherwise.
+ *
+ * If reachable is not NULL, it's filled with reachable objects.
+ * Return value is irrelevant. The caller has to compare reachable and
+ * src to find out if there's any unreachable object.
+ */
+static int check_unreachable(struct object_array *reachable,
+ struct object_array *src)
{
static const char *argv[] = {
"rev-list", "--stdin", NULL,
@@ -484,6 +492,8 @@ static int check_unreachable(struct object_array *src)
o = get_indexed_object(--i);
if (!o)
continue;
+ if (reachable && o->type == OBJ_COMMIT)
+ o->flags &= ~TMP_MARK;
if (!is_our_ref(o))
continue;
memcpy(namebuf + 1, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
@@ -493,8 +503,13 @@ static int check_unreachable(struct object_array *src)
namebuf[40] = '\n';
for (i = 0; i < src->nr; i++) {
o = src->objects[i].item;
- if (is_our_ref(o))
+ if (is_our_ref(o)) {
+ if (reachable)
+ add_object_array(o, NULL, reachable);
continue;
+ }
+ if (reachable && o->type == OBJ_COMMIT)
+ o->flags |= TMP_MARK;
memcpy(namebuf, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ);
if (write_in_full(cmd.in, namebuf, 41) < 0)
return 0;
@@ -507,9 +522,31 @@ static int check_unreachable(struct object_array *src)
* The commits out of the rev-list are not ancestors of
* our ref.
*/
- i = read_in_full(cmd.out, namebuf, 1);
- if (i)
- return 0;
+ if (!reachable) {
+ i = read_in_full(cmd.out, namebuf, 1);
+ if (i)
+ return 0;
+ } else {
+ while ((i = read_in_full(cmd.out, namebuf, 41)) == 41) {
+ struct object_id sha1;
+
+ if (namebuf[40] != '\n' || get_oid_hex(namebuf, &sha1))
+ break;
+
+ o = lookup_object(sha1.hash);
+ if (o && o->type == OBJ_COMMIT) {
+ o->flags &= ~TMP_MARK;
+ }
+ }
+ for (i = get_max_object_index(); 0 < i; ) {
+ o = get_indexed_object(--i);
+ if (o && o->type == OBJ_COMMIT &&
+ (o->flags & TMP_MARK)) {
+ add_object_array(o, NULL, reachable);
+ o->flags &= ~TMP_MARK;
+ }
+ }
+ }
close(cmd.out);
/*
@@ -535,7 +572,7 @@ static void check_non_tip(void)
*/
if (!stateless_rpc && !(allow_unadvertised_object_request &
ALLOW_REACHABLE_SHA1))
; /* error */
- else if (check_unreachable(&want_obj))
+ else if (check_unreachable(NULL, &want_obj))
return;
/* Pick one of them (we know there at least is one) */
--
2.7.0.377.g4cd97dd
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