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
  13 from time import mktime
  14 from zipfile import ZipFile
  15
  16 if len(argv) < 2:
  17         print 'Usage:', argv[0], '<zipfile>...'
  18         exit(1)
  19
  20 branch_ref = 'refs/heads/import-zips'
  21 committer_name = 'Z Ip Creator'
  22 committer_email = 'zip@example.com'
  23
  24 fast_import = popen('git fast-import --quiet', 'w')
  25 def printlines(list):
  26         for str in list:
  27                 fast_import.write(str + "\n")
  28
  29 for zipfile in argv[1:]:
  30         commit_time = 0
  31         next_mark = 1
  32         common_prefix = None
  33         mark = dict()
  34
  35         zip = ZipFile(zipfile, 'r')
  36         for name in zip.namelist():
  37                 if name.endswith('/'):
  38                         continue
  39                 info = zip.getinfo(name)
  40
  41                 if commit_time < info.date_time:
  42                         commit_time = info.date_time
  43                 if common_prefix == None:
  44                         common_prefix = name[:name.rfind('/') + 1]
  45                 else:
  46                         while not name.startswith(common_prefix):
  47                                 last_slash = common_prefix[:-1].rfind('/') + 1
  48                                 common_prefix = common_prefix[:last_slash]
  49
  50                 mark[name] = ':' + str(next_mark)
  51                 next_mark += 1
  52
  53                 printlines(('blob', 'mark ' + mark[name], \
  54                                         'data ' + str(info.file_size)))
  55                 fast_import.write(zip.read(name) + "\n")
  56
  57         committer = committer_name + ' <' + committer_email + '> %d +0000' % \
  58                 mktime(commit_time + (0, 0, 0))
  59
  60         printlines(('commit ' + branch_ref, 'committer ' + committer, \
  61                 'data <<EOM', 'Imported from ' + zipfile + '.', 'EOM', \
  62                 '', 'deleteall'))
  63
  64         for name in mark.keys():
  65                 fast_import.write('M 100644 ' + mark[name] + ' ' +
  66                         name[len(common_prefix):] + "\n")
  67
  68         printlines(('',  'tag ' + path.basename(zipfile), \
  69                 'from ' + branch_ref, 'tagger ' + committer, \
  70                 'data <<EOM', 'Package ' + zipfile, 'EOM', ''))
  71
  72 if fast_import.close():
  73         exit(1)