aboutsummaryrefslogtreecommitdiff
path: root/git-import-dsc
blob: b1e8b97ab15ce5a417d1c446ad8790ec0bcdb9cb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
#
# (C) 2006 Guido Guenther <agx@sigxcpu.org>
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
"""make a git archive out of a Debian source package"""

import sys
import re
import os
import tempfile
import glob
import git_buildpackage
from git_buildpackage.deb_utils import debian_version_chars
from git_buildpackage.git_utils import sanitize_version
from git_buildpackage.config import GBPOptionParser


class DscFile(object):
    """Keeps all needed data read from a dscfile"""
    pkg_re = re.compile('Source:\s+(?P<pkg>.+)\s*')
    version_re = re.compile("Version:\s(\d+\:)?(?P<version>[%s]+)\s*$" % debian_version_chars)
    tar_re = re.compile('^\s\w+\s\d+\s+(?P<tar>[^_]+_[^_]+(\.orig)?\.tar\.(gz|bz2))')

    def __init__(self, dscfile):
        self.dscfile = os.path.abspath(dscfile)
        f = file(self.dscfile)
        for line in f:
            m = self.version_re.match(line)
            if m:
                if '-' in m.group('version'):
                    self.debian_version = m.group('version').split("-")[-1]
                    self.upstream_version = "-".join(m.group('version').split("-")[0:-1])
                    self.native = False
                else:
                    self.native = True # Debian native package
                    self.upstream_version = m.group('version')
                continue
            m = self.pkg_re.match(line)
            if m:
                self.pkg = m.group('pkg')
                continue
            m = self.tar_re.match(line)
            if m:
                fromdir = os.path.dirname(dscfile)
                self.tgz = os.path.join(fromdir, m.group('tar'))
                continue
        f.close()
    

def parse_dsc(dscfile):
    """parse dsc by creating a DscFile object"""
    try:
        dsc = DscFile(dscfile)
    except IOError, err:
        print >>sys.stderr, "Error reading dsc file: %s" % err
        dsc = None
    else:
        try:
            if dsc.native:
                print "Debian Native Package"
                print "Version:", dsc.upstream_version
            else:
                print "Upstream version:", dsc.upstream_version
                print "Debian version:", dsc.debian_version
        except AttributeError:
            print >>sys.stderr, "Error parsing dsc file %s" % dscfile 
            dsc = None
    return dsc


def import_upstream(src, dirs, upstream_branch, tagger):
    """
    import a new upstream version on the upstream branch and tag
    appropriately
    """
    try:
        unpackTGZ = git_buildpackage.UnpackTGZ(src.tgz, dirs['tmp'])
        unpackTGZ()
    except git_buildpackage.CommandExecFailed:
        print >>sys.stderr,"Unpacking of %s failed" % src.tgz
        git_buildpackage.RemoveTree(dirs['tmp'])()
        return False

    try:
        dirs['git'] = glob.glob('%s/*' % unpackTGZ.dir)[0]
        os.chdir(dirs['git'])
        git_buildpackage.GitInitDB()()
        git_buildpackage.GitAdd()(['.'])
        git_buildpackage.GitCommitAll()(
             msg="Imported %s version %s" % (['upstream', 'Debian'][src.native],
             src.upstream_version))
        tagger(sanitize_version(src.upstream_version))
        if not src.native:
            git_buildpackage.GitBranch()(upstream_branch)
    except git_buildpackage.CommandExecFailed:
        print >>sys.stderr,"Creation of git repository failed"
        git_buildpackage.RemoveTree(unpackTGZ.dir)()
        return False
    return True


def apply_debian_patch(src, dirs, tagger):
    """apply the debian patch and tag appropriately"""
    try:
        git_buildpackage.DpkgSourceExtract()(src.dscfile, dirs['dpkg-src'])
        os.chdir(dirs['git'])
        git_buildpackage.GitLoadDirs()(dirs['dpkg-src'], 'Imported Debian patch')
        tagger(sanitize_version('%s-%s' % (src.upstream_version, src.debian_version)))
    except git_buildpackage.CommandExecFailed:
        print >>sys.stderr,"Failed to import Debian package"
        return False
    return True


def move_tree(src, dirs):
    """rename the temporary unpack directory to it's final name"""
    try:
        os.rename(dirs['git'], src.pkg)
    except OSError, err:
        print >>sys.stderr, "Cannot move git repository '%s' to it's final location '%s': %s" % (dirs['git'],
              os.path.abspath(src.pkg), err)
        return False
    else:
        git_buildpackage.RemoveTree(dirs['tmp'])()
    return True


def main(argv):
    dirs = {'top': os.path.abspath(os.curdir)}

    parser = GBPOptionParser(command=os.path.basename(argv[0]), prefix='',
                             usage='%prog [options] /path/to/package.dsc')

    parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
                      help="verbose command execution")
    parser.add_config_file_option(option_name="upstream-branch", dest="upstream_branch",
                      help="upstream branch, default is '%(upstream-branch)s'")
    parser.add_config_file_option(option_name="sign-tags", dest="sign_tags",
                      help="sign git tags", action="store_true")
    parser.add_config_file_option(option_name="keyid", dest="keyid",
                      help="GPG keyid to sign tags with")
    (options, args) = parser.parse_args(argv[1:])

    if options.verbose:
        git_buildpackage.Command.verbose = True

    gitTag = git_buildpackage.GitTag(options.sign_tags, options.keyid)

    if len(args) != 1:
        parser.print_help()
        return 1
    else:        
        src = parse_dsc(args[0])
        if not src:
            return 1

        dirs['tmp'] = os.path.abspath(tempfile.mkdtemp(dir='.'))
        if not import_upstream(src, dirs, options.upstream_branch, gitTag):
            return 1
        os.chdir(dirs['top'])
        if not src.native:
            dirs['unpack'] = os.path.join(dirs['tmp'], 'unpack')
            os.mkdir(dirs['unpack'])
            dirs['dpkg-src'] = os.path.join(dirs['unpack'],
                                            "%s-%s-%s" % (src.pkg, src.upstream_version, src.debian_version))
            if not apply_debian_patch(src, dirs, gitTag):
                return 1
        os.chdir(dirs['top'])
        if not move_tree(src, dirs):
            return 1
        print 'Everything imported under %s' % src.pkg

if __name__ == '__main__':
    sys.exit(main(sys.argv))
	    
# vim:et:ts=4:sw=4: