gecko-dev/mach

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#!/usr/bin/env python
# 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/.
from __future__ import print_function, unicode_literals
import os
import sys
def ancestors(path):
while path:
yield path
(path, child) = os.path.split(path)
if child == "":
break
def load_mach(topsrcdir):
sys.path[0:0] = [os.path.join(topsrcdir, "build")]
import mach_bootstrap
return mach_bootstrap.bootstrap(topsrcdir)
# Check whether the current directory is within a mach src or obj dir.
for dir_path in ancestors(os.getcwd()):
# If we find a "mozinfo.json" file, we are in the objdir.
mozinfo_path = os.path.join(dir_path, "mozinfo.json")
if os.path.isfile(mozinfo_path):
import json
info = json.load(open(mozinfo_path))
if "mozconfig" in info and "MOZCONFIG" not in os.environ:
# If the MOZCONFIG environment variable is not already set, set it
# to the value from mozinfo.json. This will tell the build system
# to look for a config file at the path in $MOZCONFIG rather than
# its default locations.
#
# Note: subprocess requires native strings in os.environ on Windows
os.environ[b"MOZCONFIG"] = str(info["mozconfig"])
if "topsrcdir" in info:
# Continue searching for mach_bootstrap in the source directory.
dir_path = info["topsrcdir"]
# If we find the mach bootstrap module, we are in the srcdir.
mach_path = os.path.join(dir_path, "build/mach_bootstrap.py")
if os.path.isfile(mach_path):
mach = load_mach(dir_path)
sys.exit(mach.run(sys.argv[1:]))
print("Could not run mach: No mach source directory found")
sys.exit(1)