upload-pack: support hidden refs with protocol v2

diff --git a/t/t6026-merge-attr.sh b/t/t6026-merge-attr.sh
index 7a6e33e6732eaf69e298b56729ba4ead9ffaee0e..8f9b48a4937bb4141d17b7d9096d2b6fb695c25c 100755 (executable)
--- a/t/t6026-merge-attr.sh
+++ b/t/t6026-merge-attr.sh
@@ -183,16 +183,24 @@ test_expect_success 'up-to-date merge without common ancestor' '
 
 test_expect_success 'custom merge does not lock index' '
        git reset --hard anchor &&
-       write_script sleep-one-second.sh <<-\EOF &&
-               sleep 1 &
+       write_script sleep-an-hour.sh <<-\EOF &&
+               sleep 3600 &
                echo $! >sleep.pid
        EOF
-       test_when_finished "kill \$(cat sleep.pid)" &&
 
        test_write_lines >.gitattributes \
-               "* merge=ours" "text merge=sleep-one-second" &&
+               "* merge=ours" "text merge=sleep-an-hour" &&
        test_config merge.ours.driver true &&
-       test_config merge.sleep-one-second.driver ./sleep-one-second.sh &&
+       test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh &&
+
+       # We are testing that the custom merge driver does not block
+       # index.lock on Windows due to an inherited file handle.
+       # To ensure that the backgrounded process ran sufficiently
+       # long (and has been started in the first place), we do not
+       # ignore the result of the kill command.
+       # By packaging the command in test_when_finished, we get both
+       # the correctness check and the clean-up.
+       test_when_finished "kill \$(cat sleep.pid)" &&
        git merge master
 '