Add tests which demonstate that we're executing the reference-transaction hook too often in some cases, which thus leaks implementation details about the reference store's implementation itself. Behaviour will be fixed in follow-up commits. Signed-off-by: Patrick Steinhardt <ps@xxxxxx> --- t/t1416-ref-transaction-hooks.sh | 64 ++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/t/t1416-ref-transaction-hooks.sh b/t/t1416-ref-transaction-hooks.sh index 6c941027a8..0567fbdf0b 100755 --- a/t/t1416-ref-transaction-hooks.sh +++ b/t/t1416-ref-transaction-hooks.sh @@ -136,4 +136,68 @@ test_expect_success 'interleaving hook calls succeed' ' test_cmp expect target-repo.git/actual ' +test_expect_success 'hook does not get called on packing refs' ' + # Pack references first such that we are in a known state. + git pack-refs --all && + + write_script .git/hooks/reference-transaction <<-\EOF && + echo "$@" >>actual + cat >>actual + EOF + rm -f actual && + + git update-ref refs/heads/unpacked-ref $POST_OID && + git pack-refs --all && + + # We only expect a single hook invocation, which is the call to + # git-update-ref(1). But currently, packing refs will also trigger the + # hook. + cat >expect <<-EOF && + prepared + $ZERO_OID $POST_OID refs/heads/unpacked-ref + committed + $ZERO_OID $POST_OID refs/heads/unpacked-ref + prepared + $ZERO_OID $POST_OID refs/heads/unpacked-ref + committed + $ZERO_OID $POST_OID refs/heads/unpacked-ref + prepared + $POST_OID $ZERO_OID refs/heads/unpacked-ref + committed + $POST_OID $ZERO_OID refs/heads/unpacked-ref + EOF + + test_cmp expect actual +' + +test_expect_success 'deleting packed ref calls hook once' ' + # Create a reference and pack it. + git update-ref refs/heads/to-be-deleted $POST_OID && + git pack-refs --all && + + write_script .git/hooks/reference-transaction <<-\EOF && + echo "$@" >>actual + cat >>actual + EOF + rm -f actual && + + git update-ref -d refs/heads/to-be-deleted $POST_OID && + + # We only expect a single hook invocation, which is the logical + # deletion. But currently, we see two interleaving transactions, once + # for deleting the loose refs and once for deleting the packed ref. + cat >expect <<-EOF && + prepared + $ZERO_OID $ZERO_OID refs/heads/to-be-deleted + prepared + $POST_OID $ZERO_OID refs/heads/to-be-deleted + committed + $ZERO_OID $ZERO_OID refs/heads/to-be-deleted + committed + $POST_OID $ZERO_OID refs/heads/to-be-deleted + EOF + + test_cmp expect actual +' + test_done -- 2.34.1
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