From: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
Teach fsck to not treat refs referring to missing promisor objects as an
error when extensions.partialclone is set.
For the purposes of warning about no default refs, such refs are still
treated as legitimate refs.
Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
builtin/fsck.c | 8 ++++++++
t/t0410-partial-clone.sh | 24 ++++++++++++++++++++++++
2 files changed, 32 insertions(+)
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 793d289367..c6bb29d242 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -434,6 +434,14 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid,
obj = parse_object(oid);
if (!obj) {
+ if (is_promisor_object(oid)) {
+ /*
+ * Increment default_refs anyway, because this is a
+ * valid ref.
+ */
+ default_refs++;
+ return 0;
+ }
error("%s: invalid sha1 pointer %s", refname, oid_to_hex(oid));
errors_found |= ERROR_REACHABLE;
/* We'll continue with the rest despite the error.. */
diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh
index 9257b8c885..c4639e1134 100755
--- a/t/t0410-partial-clone.sh
+++ b/t/t0410-partial-clone.sh
@@ -13,6 +13,14 @@ pack_as_from_promisor () {
>repo/.git/objects/pack/pack-$HASH.promisor
}
+promise_and_delete () {
+ HASH=$(git -C repo rev-parse "$1") &&
+ git -C repo tag -a -m message my_annotated_tag "$HASH" &&
+ git -C repo rev-parse my_annotated_tag | pack_as_from_promisor &&
+ git -C repo tag -d my_annotated_tag &&
+ delete_object repo "$HASH"
+}
+
test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
test_create_repo repo &&
test_commit -C repo my_commit &&
@@ -78,4 +86,20 @@ test_expect_success 'missing reflog object alone fails fsck, even with extension
test_must_fail git -C repo fsck
'
+test_expect_success 'missing ref object, but promised, passes fsck' '
+ rm -rf repo &&
+ test_create_repo repo &&
+ test_commit -C repo my_commit &&
+
+ A=$(git -C repo commit-tree -m a HEAD^{tree}) &&
+
+ # Reference $A only from ref
+ git -C repo branch my_branch "$A" &&
+ promise_and_delete "$A" &&
+
+ git -C repo config core.repositoryformatversion 1 &&
+ git -C repo config odb.magic.promisorRemote "arbitrary string" &&
+ git -C repo fsck
+'
+
test_done
--
2.16.0.rc0.16.g82191dbc6c.dirty
