Add git-map and git-short-map to depot_tools.

python_git_runner.sh

+#!/bin/bash

[agable, 2014/03/06 18:09:07]

This will vanish when this CL gets rebased on top of
https://codereview.chromium.org/188383002/ presumably.

+# Copyright (c) 2014 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.
+
+## This file is designed to be sourced from a bash script whose name takes the
+## form 'git-sub-command'. This script will then instead invoke
+## 'git_sub_command.py' correctly under mingw as well as posix-ey systems,
+## passing along all other command line flags.
+
+## Example:
+## echo ". python_git_runner.sh" > git-foo-command
+## ./git-foo-command  #=> runs `python git_foo_command.py`
+
+OUTPUT="$(uname | grep 'MINGW')"
+MINGW=$?
+
+BASE="$(basename "$0")"
+SCRIPT="${BASE//-/_}.py"
+
+if [ $MINGW = 0 ]; then
+  base_dir="${0%\\*}"
+else
+  base_dir=$(dirname "$0")
+fi
+
+if [ -e "$base_dir/python.bat" -a $MINGW = 0 ]; then
+  PYTHONDONTWRITEBYTECODE=1 cmd.exe //c "$base_dir\\python.bat" "$base_dir\\$SCRIPT" "$@"
+else
+  PYTHONDONTWRITEBYTECODE=1 exec "$base_dir/$SCRIPT" "$@"
+fi