test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t5512-ls-remote.sh b/t/t5512-ls-remote.sh
index 91ee6841c150f5b7c03e2624231b5344a1fa47e9..cd9e60632d09e5fd21255261be5de457dc7f409b 100755 (executable)
--- a/t/t5512-ls-remote.sh
+++ b/t/t5512-ls-remote.sh
@@ -260,7 +260,7 @@ test_lazy_prereq GIT_DAEMON '
 # This test spawns a daemon, so run it only if the user would be OK with
 # testing with git-daemon.
 test_expect_success PIPE,JGIT,GIT_DAEMON 'indicate no refs in standards-compliant empty remote' '
-       JGIT_DAEMON_PORT=${JGIT_DAEMON_PORT-${this_test#t}} &&
+       test_set_port JGIT_DAEMON_PORT &&
        JGIT_DAEMON_PID= &&
        git init --bare empty.git &&
        >empty.git/git-daemon-export-ok &&
@@ -302,6 +302,12 @@ test_expect_success 'ls-remote works outside repository' '
        nongit git ls-remote dst.git
 '
 
+test_expect_success 'ls-remote --sort fails gracefully outside repository' '
+       # Use a sort key that requires access to the referenced objects.
+       nongit test_must_fail git ls-remote --sort=authordate "$TRASH_DIRECTORY" 2>err &&
+       test_i18ngrep "^fatal: not a git repository, but the field '\''authordate'\'' requires access to object data" err
+'
+
 test_expect_success 'ls-remote patterns work with all protocol versions' '
        git for-each-ref --format="%(objectname)        %(refname)" \
                refs/heads/master refs/remotes/origin/master >expect &&