script/update

   1 #!/usr/bin/env python
   2
   3 import os
   4 from os import path
   5 from subprocess import check_call
   6
   7 from helpers import GitWrapper, run_command
   8
   9 def main():
  10     git = GitWrapper()
  11
  12     # Currently only ffmpeg-mt is supported. When upgrading from
  13     # previous versions force it enabled.
  14     switch_to_mt = not path.exists('ffmpeg-mt-enabled')
  15     if switch_to_mt:
  16         open('ffmpeg-mt-enabled', 'w').close()
  17         if path.exists('ffmpeg-mt-disabled'):
  18             os.remove('ffmpeg-mt-disabled')
  19         # Allow setups where both ffmpeg and ffmpeg-mt are checked out
  20         # simultaneously, and leave the directories alone in that case.
  21         if path.exists('ffmpeg/.git') and not path.exists('ffmpeg-mt/.git'):
  22             # fmpeg-mt should be an empty directory if things are right
  23             os.rmdir('ffmpeg-mt')
  24             os.rename('ffmpeg', 'ffmpeg-mt')
  25             os.mkdir('ffmpeg')
  26     # libswscale has changed from a submodule to a normal subdirectory
  27     if path.exists('ffmpeg-mt/libswscale/.git'):
  28         os.system('cd ffmpeg-mt && rm -rf libswscale')
  29
  30     config = git.get_config()
  31     submodules = git.get_submodules()
  32     # Update existing submodules, but don't check out new ones
  33     for p in submodules:
  34         if not 'submodule.%s.url' % p in config:
  35             continue
  36         if not path.exists(path.join(p, '.git')):
  37             continue
  38         check_call('git submodule update'.split() + [p])
  39     def cmd():
  40         check_call('git submodule update --init'.split())
  41     git.foreach_submodule(cmd)
  42
  43     if switch_to_mt:
  44         print
  45         print "Currently only ffmpeg-mt version is maintained."
  46         print "This repository has been automatically switched from ffmpeg to ffmpeg-mt."
  47         print "This should work OK on single-core machines too."
  48         print "You should run ./clean before recompiling due to the switch."
  49
  50 main()