Subzero: Change the echoing in shellcmd().

This makes it much easier to copy/paste the output.

BUG= none
R=jvoung@chromium.org

Review URL: https://codereview.chromium.org/611983003

pydir/utils.py

diff --git a/pydir/utils.py b/pydir/utils.py
index 33b58e9..1141e3e 100644
--- a/pydir/utils.py
+++ b/pydir/utils.py
@@ -3,11 +3,11 @@
 import sys
 
 def shellcmd(command, echo=True):
-    if echo: print '[cmd]', command
-
     if not isinstance(command, str):
         command = ' '.join(command)
 
+    if echo: print '[cmd]', command
+
     stdout_result = subprocess.check_output(command, shell=True)
     if echo: sys.stdout.write(stdout_result)
     return stdout_result