Make sure subprocess calls don`t ignore result codes indicating errors. Fix JS docs generation whil…

sitescripts/extensions/bin/updateRecommendations.py

Index: sitescripts/extensions/bin/updateRecommendations.py
===================================================================
--- a/sitescripts/extensions/bin/updateRecommendations.py
+++ b/sitescripts/extensions/bin/updateRecommendations.py
@@ -20,19 +20,21 @@ from sitescripts.utils import get_config
 from sitescripts.subscriptions.bin.processTemplate import writeSubscriptions
 from tempfile import mkdtemp
 from shutil import rmtree
 
 def updateRecommendations():
   repository = get_config().get('extensions', 'abp_repository')
   tempdir = mkdtemp(prefix='adblockplus')
   try:
-    subprocess.Popen(['hg', 'clone',  '-U', repository, tempdir], stdout=subprocess.PIPE).communicate()
-    subprocess.Popen(['hg', 'up', '-R', tempdir, '-r', 'default'], stdout=subprocess.PIPE).communicate()
+    subprocess.check_call(['hg', 'clone', '-q', '-U', repository, tempdir])
+    subprocess.check_call(['hg', 'up', '-q', '-R', tempdir, '-r', 'default'])
     writeSubscriptions('recommendations', os.path.join(tempdir, 'chrome', 'content', 'ui', 'subscriptions.xml'))
-    subprocess.Popen(['hg', 'commit', '-R', tempdir, '-u', 'hgbot', '-m', 'Updated list of recommended subscriptions'], stdout=subprocess.PIPE).communicate()
-    subprocess.Popen(['hg', 'push', '-R', tempdir], stdout=subprocess.PIPE).communicate()
+    subprocess.check_call(['hg', 'commit', '-q', '-R', tempdir, '-u', 'hgbot', '-m', 'Updated list of recommended subscriptions'])
+
+    # Don't check the result of this call, it will be 1 if nothing needs pushing
+    subprocess.call(['hg', 'push', '-q', '-R', tempdir])
   finally:
     rmtree(tempdir)
 
 if __name__ == '__main__':
   setupStderr()
   updateRecommendations()