contrib/fast-import/import-zips.py

   1 #!/usr/bin/env python
   2
   3 ## zip archive frontend for git-fast-import
   4 ##
   5 ## For example:
   6 ##
   7 ##  mkdir project; cd project; git init
   8 ##  python import-zips.py *.zip
   9 ##  git log --stat import-zips
  10
  11 from os import popen, path
  12 from sys import argv, exit, hexversion, stderr
  13 from time import mktime
  14 from zipfile import ZipFile
  15
  16 if hexversion < 0x01060000:
  17         # The limiter is the zipfile module
  18         sys.stderr.write("import-zips.py: requires Python 1.6.0 or later.\n")
  19         sys.exit(1)
  20
  21 if len(argv) < 2:
  22         print 'Usage:', argv[0], '<zipfile>...'
  23         exit(1)
  24
  25 branch_ref = 'refs/heads/import-zips'
  26 committer_name = 'Z Ip Creator'
  27 committer_email = 'zip@example.com'
  28
  29 fast_import = popen('git fast-import --quiet', 'w')
  30 def printlines(list):
  31         for str in list:
  32                 fast_import.write(str + "\n")
  33
  34 for zipfile in argv[1:]:
  35         commit_time = 0
  36         next_mark = 1
  37         common_prefix = None
  38         mark = dict()
  39
  40         zip = ZipFile(zipfile, 'r')
  41         for name in zip.namelist():
  42                 if name.endswith('/'):
  43                         continue
  44                 info = zip.getinfo(name)
  45
  46                 if commit_time < info.date_time:
  47                         commit_time = info.date_time
  48                 if common_prefix == None:
  49                         common_prefix = name[:name.rfind('/') + 1]
  50                 else:
  51                         while not name.startswith(common_prefix):
  52                                 last_slash = common_prefix[:-1].rfind('/') + 1
  53                                 common_prefix = common_prefix[:last_slash]
  54
  55                 mark[name] = ':' + str(next_mark)
  56                 next_mark += 1
  57
  58                 printlines(('blob', 'mark ' + mark[name], \
  59                                         'data ' + str(info.file_size)))
  60                 fast_import.write(zip.read(name) + "\n")
  61
  62         committer = committer_name + ' <' + committer_email + '> %d +0000' % \
  63                 mktime(commit_time + (0, 0, 0))
  64
  65         printlines(('commit ' + branch_ref, 'committer ' + committer, \
  66                 'data <<EOM', 'Imported from ' + zipfile + '.', 'EOM', \
  67                 '', 'deleteall'))
  68
  69         for name in mark.keys():
  70                 fast_import.write('M 100644 ' + mark[name] + ' ' +
  71                         name[len(common_prefix):] + "\n")
  72
  73         printlines(('',  'tag ' + path.basename(zipfile), \
  74                 'from ' + branch_ref, 'tagger ' + committer, \
  75                 'data <<EOM', 'Package ' + zipfile, 'EOM', ''))
  76
  77 if fast_import.close():
  78         exit(1)