Add yarn --stop-on-first-fail

1 files changed, 6 insertions, 0 deletions

diff --git a/yarn b/yarn
index 2e336b0..7e492b4 100755
--- a/yarn
+++ b/yarn
@@ -106,6 +106,10 @@ class YarnRunner(cliapp.Application):
             'change to DATADIR when running commands',
             default=False)
 
+        self.settings.boolean(
+            ['stop-on-first-fail'],
+            "stop if any scenario step fails, don't run more scenarios")
+
     def stdout(self, msg):
         self._write(sys.stdout, msg)
 
@@ -177,6 +181,8 @@ class YarnRunner(cliapp.Application):
         for scenario in self.select_scenarios(scenarios):
             if not self.run_scenario(scenario, shell_prelude):
                 failed_scenarios.append(scenario)
+                if self.settings['stop-on-first-fail']:
+                    break
         duration = time.time() - start_time
 
         if not self.settings['quiet']: