Restart codereview issue 6792042

buildbot/prebuilt.py

Index: buildbot/prebuilt.py
diff --git a/buildbot/prebuilt.py b/buildbot/prebuilt.py
index c40624f4a0ef6022bf789b8e7df3b8f39f8090e9..65419ace0f85241d5bcb5dbc203f51ec5afe4fdc 100755
--- a/buildbot/prebuilt.py
+++ b/buildbot/prebuilt.py
@@ -142,8 +142,8 @@ def RevGitPushWithRetry(retries=5):
   """
   for retry in range(1, retries + 1):
     try:
-      cros_build_lib.RunCommand('repo sync .', shell=True)
-      cros_build_lib.RunCommand('git push', shell=True)
+      cros_build_lib.RunCommand(['repo', 'sync', '.'])
+      cros_build_lib.RunCommand(['git', 'push'])
       break
     except cros_build_lib.RunCommandError:
       if retry < retries:
@@ -168,24 +168,26 @@ def RevGitFile(filename, value, retries=5, key='PORTAGE_BINHOST'):
   old_cwd = os.getcwd()
   os.chdir(os.path.dirname(filename))
 
-  commit = cros_build_lib.RunCommand('git rev-parse HEAD', shell=True,
+  commit = cros_build_lib.RunCommand(['git', 'rev-parse', 'HEAD'],
                                      redirect_stdout=True).output
-  cros_build_lib.RunCommand('git remote update', shell=True)
-  cros_build_lib.RunCommand('repo start %s .' % prebuilt_branch, shell=True)
-  git_ssh_config_cmd = (
-    'git config url.ssh://git@gitrw.chromium.org:9222.pushinsteadof '
-    'http://git.chromium.org/git')
-  cros_build_lib.RunCommand(git_ssh_config_cmd, shell=True)
+  cros_build_lib.RunCommand(['git', 'remote', 'update'])
+  cros_build_lib.RunCommand(['repo', 'start', prebuilt_branch, '.'])
+  git_ssh_config_cmd = [
+      'git',
+      'config',
+      'url.ssh://git@gitrw.chromium.org:9222.pushinsteadof',
+      'http://git.chromium.org/git' ]
+  cros_build_lib.RunCommand(git_ssh_config_cmd)
   description = 'Update %s="%s" in %s' % (key, value, filename)
   print description
   try:
     UpdateLocalFile(filename, value, key)
-    cros_build_lib.RunCommand('git config push.default tracking', shell=True)
-    cros_build_lib.RunCommand('git commit -am "%s"' % description, shell=True)
+    cros_build_lib.RunCommand(['git', 'config', 'push.default', 'tracking'])
+    cros_build_lib.RunCommand(['git', 'commit', '-am', description])
     RevGitPushWithRetry(retries)
   finally:
-    cros_build_lib.RunCommand('repo abandon %s .' % prebuilt_branch, shell=True)
-    cros_build_lib.RunCommand('git checkout %s' % commit, shell=True)
+    cros_build_lib.RunCommand(['repo', 'abandon', 'prebuilt_branch', '.'])
+    cros_build_lib.RunCommand(['git', 'checkout', commit])
     os.chdir(old_cwd)
 
 
@@ -240,7 +242,7 @@ def ShouldFilterPackage(file_path):
   return False
 
 
-def _RetryRun(cmd, print_cmd=True, shell=False, cwd=None):
+def _RetryRun(cmd, print_cmd=True, cwd=None):
   """Run the specified command, retrying if necessary.
 
   Args:
@@ -257,13 +259,13 @@ def _RetryRun(cmd, print_cmd=True, shell=False, cwd=None):
   # cros_build_lib.
   for attempt in range(_RETRIES):
     try:
-      output = cros_build_lib.RunCommand(cmd, print_cmd=print_cmd, shell=shell,
+      output = cros_build_lib.RunCommand(cmd, print_cmd=print_cmd,
                                          cwd=cwd)
       return True
     except cros_build_lib.RunCommandError:
-      print 'Failed to run %s' % cmd
+      print 'Failed to run %r' % cmd
   else:
-    print 'Retry failed run %s, giving up' % cmd
+    print 'Retry failed run %r, giving up' % cmd
     return False
 
 
@@ -297,12 +299,12 @@ def _GsUpload(args):
 
     acl_cmd = '%s setacl %s %s' % (_GSUTIL_BIN, acl, remote_file)
 
-  if not _RetryRun(cmd, print_cmd=False, shell=True):
+  if not _RetryRun(cmd, print_cmd=False):
     return (local_file, remote_file)
 
   if acl_cmd:
     # Apply the passed in ACL xml file to the uploaded object.
-    _RetryRun(acl_cmd, print_cmd=False, shell=True)
+    _RetryRun(acl_cmd, print_cmd=False)
 
 
 def RemoteUpload(acl, files, pool=10):
@@ -422,10 +424,9 @@ def UpdateBinhostConfFile(path, key, value):
     config_file = file(path, 'w')
     config_file.close()
   UpdateLocalFile(path, value, key)
-  cros_build_lib.RunCommand('git add %s' % filename, cwd=cwd, shell=True)
+  cros_build_lib.RunCommand(['git', 'add', filename],  cwd=cwd)
   description = 'Update %s=%s in %s' % (key, value, filename)
-  cros_build_lib.RunCommand('git commit -m "%s"' % description, cwd=cwd,
-      shell=True)
+  cros_build_lib.RunCommand(['git', 'commit', '-m', description], cwd=cwd)
 
 
 def _GrabAllRemotePackageIndexes(binhost_urls):
@@ -512,7 +513,7 @@ class PrebuiltUploader(object):
       if pkgs:
         cmds.append('rsync -Rav %(pkgs)s %(remote_location)s/' % d)
       for cmd in cmds:
-        if not _RetryRun(cmd, shell=True, cwd=package_path):
+        if not _RetryRun(cmd, cwd=package_path):
           raise UploadFailed('Could not run %s' % cmd)
 
   def _UploadBoardTarball(self, board_path, url_suffix):