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fsck: introduce partialclone extension

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Currently, Git does not support repos with very large numbers of objects
or repos that wish to minimize manipulation of certain blobs (for
example, because they are very large) very well, even if the user
operates mostly on part of the repo, because Git is designed on the
assumption that every referenced object is available somewhere in the
repo storage. In such an arrangement, the full set of objects is usually
available in remote storage, ready to be lazily downloaded.

Teach fsck about the new state of affairs. In this commit, teach fsck
that missing promisor objects referenced from the reflog are not an
error case; in future commits, fsck will be taught about other cases.

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 16:58:44 +00:00
committed by Junio C Hamano
parent 75b97fec17
commit 498f1f61f1
5 changed files with 171 additions and 5 deletions
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2
builtin/fsck.c
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@ -398,7 +398,7 @@ static void fsck_handle_reflog_oid(const char *refname, struct object_id *oid,
xstrfmt("%s@{%"PRItime"}", refname, timestamp));
obj->flags |= USED;
mark_object_reachable(obj);
} else {
} else if (!is_promisor_object(oid)) {
error("%s: invalid reflog entry %s", refname, oid_to_hex(oid));
errors_found |= ERROR_REACHABLE;
}