refs/tags/bogo refs/tags/master > actual &&
test_cmp expected actual
'
+
+test_expect_success 'do not dereference NULL upon %(HEAD) on unborn branch' '
+ test_when_finished "git checkout master" &&
+ git for-each-ref --format="%(HEAD) %(refname:short)" refs/heads/ >actual &&
+ sed -e "s/^\* / /" actual >expect &&
+ git checkout --orphan HEAD &&
+ git for-each-ref --format="%(HEAD) %(refname:short)" refs/heads/ >actual &&
+ test_cmp expect actual
+'
+
+cat >trailers <<EOF
+Reviewed-by: A U Thor <author@example.com>
+Signed-off-by: A U Thor <author@example.com>
+EOF
+
+test_expect_success 'basic atom: head contents:trailers' '
+ echo "Some contents" > two &&
+ git add two &&
+ git commit -F - <<-EOF &&
+ trailers: this commit message has trailers
+
+ Some message contents
+
+ $(cat trailers)
+ EOF
+ git for-each-ref --format="%(contents:trailers)" refs/heads/master >actual &&
+ sanitize_pgp <actual >actual.clean &&
+ # git for-each-ref ends with a blank line
+ cat >expect <<-EOF &&
+ $(cat trailers)
+
+ EOF
+ test_cmp expect actual.clean
+'
+
test_done