symbolic-ref --short: abbreviate the output unambiguously

diff --git a/t/t7505-prepare-commit-msg-hook.sh b/t/t7505-prepare-commit-msg-hook.sh
index ff189624d48fb9f68997395d121d4e7056511245..5b4b694f1801f5c2284346f882cb496df9e7d74e 100755 (executable)
--- a/t/t7505-prepare-commit-msg-hook.sh
+++ b/t/t7505-prepare-commit-msg-hook.sh
@@ -132,6 +132,18 @@ test_expect_success 'with hook (-c)' '
 
 '
 
+test_expect_success 'with hook (merge)' '
+
+       head=`git rev-parse HEAD` &&
+       git checkout -b other HEAD@{1} &&
+       echo "more" >> file &&
+       git add file &&
+       git commit -m other &&
+       git checkout - &&
+       git merge other &&
+       test "`git log -1 --pretty=format:%s`" = merge
+'
+
 cat > "$HOOK" <<'EOF'
 #!/bin/sh
 exit 1