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1 #!/bin/sh |
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2 # This Source Code Form is subject to the terms of the Mozilla Public |
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3 # License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 # file, You can obtain one at http://mozilla.org/MPL/2.0/. |
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5 |
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6 # The beginning of this script is both valid shell and valid python, |
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7 # such that the script starts with the shell and is reexecuted with |
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8 # the right python. |
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9 '''which' python2.7 > /dev/null && exec python2.7 "$0" "$@" || exec python "$0" "$@" |
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10 ''' |
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11 |
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12 from __future__ import print_function, unicode_literals |
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13 |
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14 import os |
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15 import sys |
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16 |
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17 def ancestors(path): |
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18 while path: |
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19 yield path |
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20 (path, child) = os.path.split(path) |
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21 if child == "": |
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22 break |
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23 |
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24 def load_mach(topsrcdir): |
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25 sys.path[0:0] = [os.path.join(topsrcdir, "build")] |
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26 import mach_bootstrap |
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27 return mach_bootstrap.bootstrap(topsrcdir) |
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28 |
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29 |
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30 def check_and_run_mach(dir_path, args): |
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31 # If we find the mach bootstrap module, we are in the srcdir. |
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32 mach_path = os.path.join(dir_path, 'build/mach_bootstrap.py') |
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33 if os.path.isfile(mach_path): |
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34 mach = load_mach(dir_path) |
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35 sys.exit(mach.run(args)) |
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36 |
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37 |
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38 def main(args): |
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39 # Check whether the current directory is within a mach src or obj dir. |
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40 for dir_path in ancestors(os.getcwd()): |
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41 # If we find a "mozinfo.json" file, we are in the objdir. |
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42 mozinfo_path = os.path.join(dir_path, 'mozinfo.json') |
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43 if os.path.isfile(mozinfo_path): |
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44 import json |
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45 info = json.load(open(mozinfo_path)) |
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46 if 'mozconfig' in info and 'MOZCONFIG' not in os.environ: |
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47 # If the MOZCONFIG environment variable is not already set, set it |
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48 # to the value from mozinfo.json. This will tell the build system |
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49 # to look for a config file at the path in $MOZCONFIG rather than |
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50 # its default locations. |
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51 # |
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52 # Note: subprocess requires native strings in os.environ on Windows |
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53 os.environ[b'MOZCONFIG'] = str(info['mozconfig']) |
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54 |
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55 if 'topsrcdir' in info: |
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56 # Continue searching for mach_bootstrap in the source directory. |
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57 dir_path = info['topsrcdir'] |
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58 |
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59 check_and_run_mach(dir_path, args) |
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60 |
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61 # If we didn't find a source path by scanning for a mozinfo.json, check |
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62 # whether the directory containing this script is a source directory. |
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63 check_and_run_mach(os.path.dirname(__file__), args) |
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64 |
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65 print('Could not run mach: No mach source directory found.') |
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66 sys.exit(1) |
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67 |
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68 |
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69 if __name__ == '__main__': |
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70 main(sys.argv[1:]) |