contrib / fast-import / import-zips.pyon commit commit-graph: prepare for commit-graph chains (d4f4d60)
   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
  11from os import popen, path
  12from sys import argv, exit, hexversion, stderr
  13from time import mktime
  14from zipfile import ZipFile
  15
  16if hexversion < 0x01060000:
  17    # The limiter is the zipfile module
  18    stderr.write("import-zips.py: requires Python 1.6.0 or later.\n")
  19    exit(1)
  20
  21if len(argv) < 2:
  22    print 'usage:', argv[0], '<zipfile>...'
  23    exit(1)
  24
  25branch_ref = 'refs/heads/import-zips'
  26committer_name = 'Z Ip Creator'
  27committer_email = 'zip@example.com'
  28
  29fast_import = popen('git fast-import --quiet', 'w')
  30def printlines(list):
  31    for str in list:
  32        fast_import.write(str + "\n")
  33
  34for 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
  77if fast_import.close():
  78    exit(1)