Merge branch 'ds/scalar-ignore-cron-error' into next

Allow "scalar" to warn but continue when its periodic maintenance
feature cannot be enabled.

* ds/scalar-ignore-cron-error:
  scalar: only warn when background maintenance fails
  t921*: test scalar behavior starting maintenance
  t: allow 'scalar' in test_must_fail

Author: gitster

scalar.c

@@ -262,7 +262,7 @@ static int register_dir(void)
 		return error(_("could not set recommended config"));
 
 	if (toggle_maintenance(1))
-		return error(_("could not turn on maintenance"));
+		warning(_("could not turn on maintenance"));
 
 	if (have_fsmonitor_support() && start_fsmonitor_daemon()) {
 		return error(_("could not start the FSMonitor daemon"));

t/t9210-scalar.sh

@@ -104,6 +104,13 @@ test_expect_success FSMONITOR_DAEMON 'scalar register starts fsmon daemon' '
 	test_cmp_config -C test/src true core.fsmonitor
 '
 
+test_expect_success 'scalar register warns when background maintenance fails' '
+	git init register-repo &&
+	GIT_TEST_MAINT_SCHEDULER="crontab:false,launchctl:false,schtasks:false" \
+		scalar register register-repo 2>err &&
+	grep "could not turn on maintenance" err
+'
+
 test_expect_success 'scalar unregister' '
 	git init vanish/src &&
 	scalar register vanish/src &&

t/t9211-scalar-clone.sh

@@ -174,4 +174,10 @@ test_expect_success 'progress without tty' '
 	cleanup_clone $enlistment
 '
 
+test_expect_success 'scalar clone warns when background maintenance fails' '
+	GIT_TEST_MAINT_SCHEDULER="crontab:false,launchctl:false,schtasks:false" \
+		scalar clone "file://$(pwd)/to-clone" maint-fail 2>err &&
+	grep "could not turn on maintenance" err
+'
+
 test_done

t/test-lib-functions.sh

@@ -1016,7 +1016,7 @@ test_must_fail_acceptable () {
 	fi
 
 	case "$1" in
-	git|__git*|test-tool|test_terminal)
+	git|__git*|scalar|test-tool|test_terminal)
 		return 0
 		;;
 	*)