mach
author Andrea Marchesini <amarchesini@mozilla.com>
Thu, 04 Jun 2015 15:04:10 +0100
changeset 201217 917d8e07d42b23177e5cdf6a79dbd5a16513e34e
parent 200458 7e37a85a056d7f0aa2b9e291dc78c245bca60658
permissions -rwxr-xr-x
Bug 1167888 - Better string length check in nsZipArchive::BuildFileList. r=smaug, a=dveditz

#!/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
        (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)


def check_and_run_mach(dir_path, args):
    # 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(args))


def main(args):
    # 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']

        check_and_run_mach(dir_path, args)

    # If we didn't find a source path by scanning for a mozinfo.json, check
    # whether the directory containing this script is a source directory.
    check_and_run_mach(os.path.dirname(__file__), args)

    print('Could not run mach: No mach source directory found.')
    sys.exit(1)


if __name__ == '__main__':
    main(sys.argv[1:])