From 79a6709f4cc49e028fffaead40192a8bbe79f002 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Wed, 31 Jul 2013 18:48:48 +0100
Subject: Make yarn run shell scripts with -x

This makes debugging easier.
---
 yarn | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/yarn b/yarn
index fbf928d..202d726 100755
--- a/yarn
+++ b/yarn
@@ -308,7 +308,7 @@ class YarnRunner(cliapp.Application):
         shell_script = '%s\n\n%s\n' % (
             shell_prelude, step.implementation.shell)
         exit, stdout, stderr = cliapp.runcmd_unchecked(
-            ['sh', '-euc', shell_script], env=env)
+            ['sh', '-xeuc', shell_script], env=env)
 
         logging.debug('Exit code: %d' % exit)
         if stdout:
-- 
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