mach

   1 #!/usr/bin/env python
   2 # This Source Code Form is subject to the terms of the Mozilla Public
   3 # License, v. 2.0. If a copy of the MPL was not distributed with this
   4 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   5
   6 from __future__ import print_function, unicode_literals
   7
   8 import os
   9 import sys
  10
  11 def ancestors(path):
  12     while path:
  13         yield path
  14         (path, child) = os.path.split(path)
  15         if child == "":
  16             break
  17
  18 def load_mach(topsrcdir):
  19     sys.path[0:0] = [os.path.join(topsrcdir, "build")]
  20     import mach_bootstrap
  21     return mach_bootstrap.bootstrap(topsrcdir)
  22
  23 def main(args):
  24     # Check whether the current directory is within a mach src or obj dir.
  25     for dir_path in ancestors(os.getcwd()):
  26         # If we find a "mozinfo.json" file, we are in the objdir.
  27         mozinfo_path = os.path.join(dir_path, 'mozinfo.json')
  28         if os.path.isfile(mozinfo_path):
  29             import json
  30             info = json.load(open(mozinfo_path))
  31             if 'mozconfig' in info and 'MOZCONFIG' not in os.environ:
  32                 # If the MOZCONFIG environment variable is not already set, set it
  33                 # to the value from mozinfo.json.  This will tell the build system
  34                 # to look for a config file at the path in $MOZCONFIG rather than
  35                 # its default locations.
  36                 #
  37                 # Note: subprocess requires native strings in os.environ on Windows
  38                 os.environ[b'MOZCONFIG'] = str(info['mozconfig'])
  39
  40             if 'topsrcdir' in info:
  41                 # Continue searching for mach_bootstrap in the source directory.
  42                 dir_path = info['topsrcdir']
  43
  44         # If we find the mach bootstrap module, we are in the srcdir.
  45         mach_path = os.path.join(dir_path, 'build/mach_bootstrap.py')
  46         if os.path.isfile(mach_path):
  47             mach = load_mach(dir_path)
  48             sys.exit(mach.run(args[1:]))
  49
  50     print('Could not run mach: No mach source directory found.')
  51     sys.exit(1)
  52
  53
  54 if __name__ == '__main__':
  55     main(sys.argv)