Bug 957721 - Transform mach into a shell script that reexecutes itself with python. r=mshal
--- a/mach
+++ b/mach
@@ -1,13 +1,19 @@
-#!/usr/bin/env python
+#!/bin/sh
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+# The beginning of this script is both valid shell and valid python,
+# such that the script starts with the shell and is reexecuted with
+# the right python.
+'''which' python2.7 > /dev/null && exec python2.7 "$0" "$@" || exec python "$0" "$@"
+'''
+
from __future__ import print_function, unicode_literals
import os
import sys
def ancestors(path):
while path:
yield path