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     # Update from versions using a submodule name different from "libav"
  13     p = None
  14     if path.exists('ffmpeg-mt/.git'):
  15         p = 'ffmpeg-mt'
  16     else:
  17         p = 'ffmpeg'
  18     switch_to_libav = not path.exists('libav/.git') and p
  19     if switch_to_libav:
  20         if p == 'ffmpeg-mt' and path.exists('ffmpeg-mt/libswscale/.git'):
  21             # Update from old version with libswscale as submodule
  22             os.system('cd ffmpeg-mt && rm -rf libswscale')
  23         os.rename(p, 'libav')
  24         try:
  25             # Rename the build dir mainly to get it cleaned up -
  26             # incremental builds probably won't work due to wrong absolute
  27             # paths recorded in .d files.
  28             os.rename('ffmpeg_build', 'libav_build')
  29         except:
  30             pass
  31         if path.exists('ffmpeg_options') and not path.exists('libav_options'):
  32             os.rename('ffmpeg_options', 'libav_options')
  33         for fname in ('ffmpeg-mt-enabled', 'ffmpeg-mt-disabled'):
  34             if path.exists(fname):
  35                 os.remove(fname)
  36         check_call('git submodule init libav'.split())
  37
  38     config = git.get_config()
  39     submodules = git.get_submodules()
  40     # Update existing submodules, but don't check out new ones
  41     for p in submodules:
  42         if not 'submodule.%s.url' % p in config:
  43             continue
  44         if not path.exists(path.join(p, '.git')):
  45             continue
  46         check_call('git submodule update'.split() + [p])
  47     def cmd():
  48         check_call('git submodule update --init'.split())
  49     git.foreach_submodule(cmd)
  50
  51     if switch_to_libav:
  52         print
  53         print "The ffmpeg-mt submodule directory has been renamed to libav."
  54         print "The contents of the submodule have already been based on"
  55         print "the Libav project for some time (FFmpeg-mt was merged to it)."
  56         print "The ffmpeg_options file has been renamed to libav_options."
  57         print "You should run ./clean before recompiling due to the switch."
  58
  59 main()