Merge branch 'jk/remote-helpers-doc'
[git.git] / 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)