fsck: support referenced promisor objects

Teach fsck to not treat missing promisor objects indirectly pointed to
by refs as an error when extensions.partialclone is set.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fsck.c b/builtin/fsck.c
index ee937bbdbc45f8223155cec07ec22acaf1e9929f..4c2a56d0c2aba78eed7234aee600e52f16bdd275 100644 (file)
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -149,6 +149,15 @@ static int mark_object(struct object *obj, int type, void *data, struct fsck_opt
        if (obj->flags & REACHABLE)
                return 0;
        obj->flags |= REACHABLE;
+
+       if (is_promisor_object(&obj->oid))
+               /*
+                * Further recursion does not need to be performed on this
+                * object since it is a promisor object (so it does not need to
+                * be added to "pending").
+                */
+               return 0;
+
        if (!(obj->flags & HAS_OBJ)) {
                if (parent && !has_object_file(&obj->oid)) {
                        printf("broken link from %7s %s\n",
@@ -208,6 +217,8 @@ static void check_reachable_object(struct object *obj)
         * do a full fsck
         */
        if (!(obj->flags & HAS_OBJ)) {
+               if (is_promisor_object(&obj->oid))
+                       return;
                if (has_sha1_pack(obj->oid.hash))
                        return; /* it is in pack - forget about it */
                printf("missing %s %s\n", printable_type(obj),

diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh
index bf75162c16b8fdef724f479415c9c94065280894..4f9931f9bbd98f21fe8b4c9ddc5f343d7dee8807 100755 (executable)
--- a/t/t0410-partial-clone.sh
+++ b/t/t0410-partial-clone.sh
@@ -102,4 +102,27 @@ test_expect_success 'missing ref object, but promised, passes fsck' '
        git -C repo fsck
 '
 
+test_expect_success 'missing object, but promised, passes fsck' '
+       rm -rf repo &&
+       test_create_repo repo &&
+       test_commit -C repo 1 &&
+       test_commit -C repo 2 &&
+       test_commit -C repo 3 &&
+       git -C repo tag -a annotated_tag -m "annotated tag" &&
+
+       C=$(git -C repo rev-parse 1) &&
+       T=$(git -C repo rev-parse 2^{tree}) &&
+       B=$(git hash-object repo/3.t) &&
+       AT=$(git -C repo rev-parse annotated_tag) &&
+
+       promise_and_delete "$C" &&
+       promise_and_delete "$T" &&
+       promise_and_delete "$B" &&
+       promise_and_delete "$AT" &&
+
+       git -C repo config core.repositoryformatversion 1 &&
+       git -C repo config extensions.partialclone "arbitrary string" &&
+       git -C repo fsck
+'
+
 test_done