test_cmp expect actual
'
+run_with_limited_stack () {
+ (ulimit -s 64 && "$@")
+}
+
+test_lazy_prereq ULIMIT 'run_with_limited_stack true'
+
+# we require ulimit, this excludes Windows
+test_expect_success ULIMIT '--contains works in a deep repo' '
+ >expect &&
+ i=1 &&
+ while test $i -lt 4000
+ do
+ echo "commit refs/heads/master
+committer A U Thor <author@example.com> $((1000000000 + $i * 100)) +0200
+data <<EOF
+commit #$i
+EOF"
+ test $i = 1 && echo "from refs/heads/master^0"
+ i=$(($i + 1))
+ done | git fast-import &&
+ git checkout master &&
+ git tag far-far-away HEAD^ &&
+ run_with_limited_stack git tag --contains HEAD >actual &&
+ test_cmp expect actual
+'
+
test_done