@@ -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
Add tests which demonstate which demonstrates 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@pks.im> --- t/t1416-ref-transaction-hooks.sh | 64 ++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+)