Refactor the way that git executables are launched in depot tools.

git_try.py

Index: git_try.py
diff --git a/git_try.py b/git_try.py
deleted file mode 100755
index 45a5217e6f2a5fdd665af049c7f57b867ca98228..0000000000000000000000000000000000000000
--- a/git_try.py
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/usr/bin/python
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-"""Wrapper for trychange.py for git checkout."""
-
-import logging
-import sys
-
-import breakpad  # pylint: disable=W0611
-
-from scm import GIT
-import subprocess2
-import third_party.upload
-import trychange
-import git_cl
-
-
-def GetRietveldIssueNumber():
-  try:
-    return GIT.Capture(
-        ['config', 'branch.%s.rietveldissue' % GIT.GetBranch('.')],
-        '.').strip()
-  except subprocess2.CalledProcessError:
-    return None
-
-
-def GetRietveldPatchsetNumber():
-  try:
-    return GIT.Capture(
-        ['config', 'branch.%s.rietveldpatchset' % GIT.GetBranch('.')],
-        '.').strip()
-  except subprocess2.CalledProcessError:
-    return None
-
-
-def GetRietveldServerUrl():
-  try:
-    return GIT.Capture(['config', 'rietveld.server'], '.').strip()
-  except subprocess2.CalledProcessError:
-    return None
-
-
-if __name__ == '__main__':
-  args = sys.argv[1:]
-  patchset = GetRietveldPatchsetNumber()
-  if patchset:
-    args.extend([
-        '--issue', GetRietveldIssueNumber(),
-        '--patchset', patchset,
-    ])
-  else:
-    rietveld_url = GetRietveldServerUrl()
-    if rietveld_url:
-      args.extend(['--rietveld_url', GetRietveldServerUrl()])
-  try:
-    cl = git_cl.Changelist()
-    change = cl.GetChange(cl.GetUpstreamBranch(), None)
-    # Hack around a limitation in logging.
-    logging.getLogger().handlers = []
-    sys.exit(trychange.TryChange(
-        args, change, swallow_exception=False,
-        prog='git try',
-        extra_epilog='\n'
-                     'git try will diff against your tracked branch and will '
-                     'detect your rietveld\n'
-                     'code review if you are using git-cl\n'))
-  except third_party.upload.ClientLoginError, e:
-    print('Got an exception while trying to log in to Rietveld.')
-    print(str(e))