From fc0481c1d8a33a7efa0a2247f897671a118bba75 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 14 Jul 2013 19:23:43 +0100
Subject: Implement ASSUMING

---
 yarn | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

(limited to 'yarn')

diff --git a/yarn b/yarn
index fb6e5a3..6845345 100755
--- a/yarn
+++ b/yarn
@@ -22,6 +22,7 @@ import logging
 import os
 import re
 import shutil
+import sys
 import tempfile
 import time
 import ttystatus
@@ -225,36 +226,47 @@ class YarnRunner(cliapp.Application):
         os.mkdir(datadir)
         self.info('DATADIR is %s' % datadir)
 
+        assuming = [s for s in scenario.steps if s.what == 'ASSUMING']
         cleanup = [s for s in scenario.steps if s.what == 'FINALLY']
-        normal = [s for s in scenario.steps if s not in cleanup]
+        normal = [s for s in scenario.steps if s not in assuming + cleanup]
 
         ok = True
         step_number = 0
 
-        for step in normal:
-            exit = self.run_step(datadir, scenario, step, shell_prelude)
+        for step in assuming:
+            exit = self.run_step(datadir, scenario, step, shell_prelude, False)
             step_number += 1
             self.snapshot_datadir(
                 tempdir, datadir, scenario, step_number, step)
             if exit != 0:
-                ok = False
-                break
-
-        for step in cleanup:
-            exit = self.run_step(datadir, scenario, step, shell_prelude)
-            step_number += 1
-            self.snapshot_datadir(
-                tempdir, datadir, scenario, step_number, step)
-            if exit != 0:
-                ok = False
                 break
+        else:
+            for step in normal:
+                exit = self.run_step(
+                    datadir, scenario, step, shell_prelude, True)
+                step_number += 1
+                self.snapshot_datadir(
+                    tempdir, datadir, scenario, step_number, step)
+                if exit != 0:
+                    ok = False
+                    break
+
+            for step in cleanup:
+                exit = self.run_step(
+                    datadir, scenario, step, shell_prelude, True)
+                step_number += 1
+                self.snapshot_datadir(
+                    tempdir, datadir, scenario, step_number, step)
+                if exit != 0:
+                    ok = False
+                    break
 
         if not self.settings['snapshot']:
             shutil.rmtree(tempdir)
 
         return ok
 
-    def run_step(self, datadir, scenario, step, shell_prelude):
+    def run_step(self, datadir, scenario, step, shell_prelude, report_error):
         self.info('Running step "%s %s"' % (step.what, step.text))
         self.ts['step'] = step
         self.ts['step_name'] = '%s %s' % (step.what, step.text)
@@ -281,7 +293,7 @@ class YarnRunner(cliapp.Application):
         else:
             logging.debug('Standard error: empty')
 
-        if exit != 0:
+        if exit != 0 and report_error:
             self.error(
                 'ERROR: In scenario "%s"\nstep "%s %s" failed,\n'
                 'with exit code %d:\n'
-- 
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