test doc: test_write_lines does not split its arguments

diff --git a/t/t3210-pack-refs.sh b/t/t3210-pack-refs.sh
index cd04361df811d329e269ac1d5eb0b0f03baa74d8..1a2080e3dca272b6ed40739a7539f01f4f6ae65c 100755 (executable)
--- a/t/t3210-pack-refs.sh
+++ b/t/t3210-pack-refs.sh
@@ -118,4 +118,37 @@ test_expect_success 'pack, prune and repack' '
        test_cmp all-of-them again
 '
 
+test_expect_success 'explicit pack-refs with dangling packed reference' '
+       git commit --allow-empty -m "soon to be garbage-collected" &&
+       git pack-refs --all &&
+       git reset --hard HEAD^ &&
+       git reflog expire --expire=all --all &&
+       git prune --expire=all &&
+       git pack-refs --all 2>result &&
+       test_cmp /dev/null result
+'
+
+test_expect_success 'delete ref with dangling packed version' '
+       git checkout -b lamb &&
+       git commit --allow-empty -m "future garbage" &&
+       git pack-refs --all &&
+       git reset --hard HEAD^ &&
+       git checkout master &&
+       git reflog expire --expire=all --all &&
+       git prune --expire=all &&
+       git branch -d lamb 2>result &&
+       test_cmp /dev/null result
+'
+
+test_expect_success 'delete ref while another dangling packed ref' '
+       git branch lamb &&
+       git commit --allow-empty -m "future garbage" &&
+       git pack-refs --all &&
+       git reset --hard HEAD^ &&
+       git reflog expire --expire=all --all &&
+       git prune --expire=all &&
+       git branch -d lamb 2>result &&
+       test_cmp /dev/null result
+'
+
 test_done