test_cmp expect actual
'
+test_expect_success 'try to create repo with absurdly long refname' '
+ ref240=$_z40/$_z40/$_z40/$_z40/$_z40/$_z40 &&
+ ref1440=$ref240/$ref240/$ref240/$ref240/$ref240/$ref240 &&
+ git init long &&
+ (
+ cd long &&
+ test_commit long &&
+ test_commit master
+ ) &&
+ if git -C long update-ref refs/heads/$ref1440 long; then
+ test_set_prereq LONG_REF
+ else
+ echo >&2 "long refs not supported"
+ fi
+'
+
+test_expect_success LONG_REF 'fetch handles extremely long refname' '
+ git fetch long refs/heads/*:refs/remotes/long/* &&
+ cat >expect <<-\EOF &&
+ long
+ master
+ EOF
+ git for-each-ref --format="%(subject)" refs/remotes/long >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success LONG_REF 'push handles extremely long refname' '
+ git push long :refs/heads/$ref1440 &&
+ git -C long for-each-ref --format="%(subject)" refs/heads >actual &&
+ echo master >expect &&
+ test_cmp expect actual
+'
+
test_done