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fsck: support refs pointing to promisor objects

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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@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2017-12-05 16:58:45 +00:00 committed by Junio C Hamano
parent 498f1f61f1
commit 43f25158ca
2 changed files with 32 additions and 0 deletions
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8
builtin/fsck.c
View File

@ -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.. */

24
t/t0410-partial-clone.sh
View File

@ -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 extensions.partialclone "arbitrary string" &&
git -C repo fsck
'
test_done