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authorKarthik Nayak <karthik.188@gmail.com>2024-11-14 10:58:35 +0100
committerJunio C Hamano <gitster@pobox.com>2024-11-15 08:48:23 +0900
commitb886db48c61bdfb817f29482e18120c4fa2bc89c (patch)
tree3ecd0e093db255353976585e909e7b70361427b7
parent777489f9e09c8d0dd6b12f9d90de6376330577a2 (diff)
refs: don't invoke reference-transaction hook for reflogs
The reference-transaction hook is invoked whenever there is a reference update being performed. For each state of the transaction, we iterate over the updates present and pass this information to the hook. The `ref_update` structure is used to hold these updates within a `transaction`. We use the same structure for holding reflog updates too. Which means that the reference transaction hook is also obtaining information about a reflog update. This is a bug, since: - The hook is designed to work with reference updates and reflogs updates are different. - The hook doesn't have the required information to distinguish reference updates from reflog updates. This is particularly evident when the default branch (pointed by HEAD) is updated, we see that the hook also receives information about HEAD being changed. In reality, we only add a reflog update for HEAD, while HEAD's values remains the same. Signed-off-by: Karthik Nayak <karthik.188@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--refs.c3
-rwxr-xr-xt/t1416-ref-transaction-hooks.sh2
2 files changed, 3 insertions, 2 deletions
diff --git a/refs.c b/refs.c
index 5f729ed412..7866cd7378 100644
--- a/refs.c
+++ b/refs.c
@@ -2185,6 +2185,9 @@ static int run_transaction_hook(struct ref_transaction *transaction,
for (i = 0; i < transaction->nr; i++) {
struct ref_update *update = transaction->updates[i];
+ if (update->flags & REF_LOG_ONLY)
+ continue;
+
strbuf_reset(&buf);
if (!(update->flags & REF_HAVE_OLD))
diff --git a/t/t1416-ref-transaction-hooks.sh b/t/t1416-ref-transaction-hooks.sh
index 5a812ca3c0..262efec60e 100755
--- a/t/t1416-ref-transaction-hooks.sh
+++ b/t/t1416-ref-transaction-hooks.sh
@@ -53,7 +53,6 @@ test_expect_success 'hook gets all queued updates in prepared state' '
fi
EOF
cat >expect <<-EOF &&
- $ZERO_OID $POST_OID HEAD
$ZERO_OID $POST_OID refs/heads/main
EOF
git update-ref HEAD POST <<-EOF &&
@@ -76,7 +75,6 @@ test_expect_success 'hook gets all queued updates in committed state' '
fi
EOF
cat >expect <<-EOF &&
- $ZERO_OID $POST_OID HEAD
$ZERO_OID $POST_OID refs/heads/main
EOF
git update-ref HEAD POST &&