summaryrefslogtreecommitdiff
path: root/git-import-dsc
blob: db15e4c3ebcb4cb96408fc1f1ef66af6c8a1e5af (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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
#!/usr/bin/python -u
# vim: set fileencoding=utf-8 :
#
# (C) 2006,2007 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
"""Import a Debian source package into a git repository"""

import ConfigParser
import sys
import re
import os
import tempfile
import glob
import pipes
import time
from email.Utils import parseaddr
import gbp.command_wrappers as gbpc
from gbp.deb import (debian_version_chars, parse_changelog, unpack_orig,
                     parse_dsc, DscFile, tar_toplevel)
from gbp.git import (build_tag, create_repo, GitRepository,
                     GitRepositoryError, rfc822_date_to_git)
from gbp.config import GbpOptionParser, GbpOptionGroup
from gbp.errors import GbpError
import gbp.log

class SkipImport(Exception):
    pass


def download_source(pkg, dirs):
    if re.match(r'[a-z]{1,5}://', pkg):
        mode='dget'
    else:
        mode='apt-get'

    dirs['download'] = os.path.abspath(tempfile.mkdtemp())
    gbp.log.info("Downloading '%s' using '%s'..." % (pkg, mode))
    if mode == 'apt-get':
        gbpc.RunAtCommand('apt-get',
                          ['-qq', '--download-only', 'source', pkg],
                          shell=False)(dir=dirs['download'])
    else:
        gbpc.RunAtCommand('dget',
                          ['-q', '--download-only', pkg],
                          shell=False)(dir=dirs['download'])
    dsc = glob.glob(os.path.join(dirs['download'], '*.dsc'))[0]
    return dsc


def apply_patch(diff, unpack_dir):
    "Apply patch to a source tree"
    d = os.path.abspath(unpack_dir)
    pipe = pipes.Template()
    pipe.prepend('gunzip -c %s' % diff,  '.-')
    pipe.append('patch -p1 --quiet', '-.')
    try:
        ret = pipe.copy('', '')
        if ret:
            gbp.log.err("Error import %s: %d" % (diff, ret))
            return False
    except OSError, err:
        gbp.log.err("Error importing %s: %s" % (diff, err[0]))
        return False
    return True


def apply_deb_tgz(deb_tgz, unpack_dir):
    """Apply .debian.tar.gz (V3 source format)"""
    unpackArchive = gbpc.UnpackTarArchive(deb_tgz, ".")()
    return True


def apply_debian_patch(repo, unpack_dir, src, options, parents):
    """apply the debian patch and tag appropriately"""
    version = "%s-%s" % (src.upstream_version, src.debian_version)
    gitTag = gbpc.GitTag(options.sign_tags, options.keyid)
    try:
        os.chdir(unpack_dir)

        if src.diff and not apply_patch(src.diff, unpack_dir):
            raise GbpError

        if src.deb_tgz and not apply_deb_tgz(src.deb_tgz, unpack_dir):
            raise GbpError

        if os.path.exists('debian/rules'):
            os.chmod('debian/rules', 0755)
        os.chdir(repo.path)

        dch = parse_changelog(filename=os.path.join(unpack_dir, 'debian/changelog'))
        date= rfc822_date_to_git(dch['Date'])
        author, email = parseaddr(dch['Maintainer'])
        if not (author and email):
            gbp.log.warn("Failed to parse maintainer")

        commit = repo.commit_dir(unpack_dir,
                                 "Imported Debian patch %s" % version,
                                 branch = options.debian_branch,
                                 other_parents = parents,
                                 author = author,
                                 email = email,
                                 date = date)
        gitTag(build_tag(options.debian_tag, version),
               msg="Debian release %s" % version, commit=commit)
    except gbpc.CommandExecFailed:
        gbp.log.err("Failed to import Debian package")
        raise GbpError
    finally:
        os.chdir(repo.path)


def print_dsc(dsc):
    if dsc.native:
        gbp.log.debug("Debian Native Package %s")
        gbp.log.debug("Version: %s" % dsc.upstream_version)
        gbp.log.debug("Debian tarball: %s" % dsc.tgz)
    else:
        gbp.log.debug("Upstream version: %s" % dsc.upstream_version)
        gbp.log.debug("Debian version: %s" % dsc.debian_version)
        gbp.log.debug("Upstream tarball: %s" % dsc.tgz)
        if dsc.diff:
            gbp.log.debug("Debian patch: %s" % dsc.diff)
        if dsc.deb_tgz:
            gbp.log.debug("Debian patch: %s" % dsc.deb_tgz)
    if dsc.epoch:
        gbp.log.debug("Epoch: %s" % dsc.epoch)


def move_tag_stamp(repo, format, version):
    "Move tag out of the way appending the current timestamp"
    old = build_tag(format, version)
    timestamped = "%s~%s" % (version, int(time.time()))
    new = build_tag(format, timestamped)
    repo.move_tag(old, new)


def main(argv):
    dirs = {'top': os.path.abspath(os.curdir)}
    needs_repo = False
    ret = 0
    skipped = False
    parents = None

    try:
        parser = GbpOptionParser(command=os.path.basename(argv[0]), prefix='',
                                 usage='%prog [options] /path/to/package.dsc')
    except ConfigParser.ParsingError, err:
        gbp.log.err(err)
        return 1

    import_group = GbpOptionGroup(parser, "import options",
                      "pristine-tar and filtering")
    tag_group = GbpOptionGroup(parser, "tag options",
                      "options related to git tag creation")
    branch_group = GbpOptionGroup(parser, "version and branch naming options",
                      "version number and branch layout options")

    for group in [import_group, branch_group, tag_group ]:
        parser.add_option_group(group)

    parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
                      help="verbose command execution")
    parser.add_config_file_option(option_name="color", dest="color")
    parser.add_option("--download", action="store_true", dest="download", default=False,
                      help="download source package")
    branch_group.add_config_file_option(option_name="debian-branch",
                      dest="debian_branch")
    branch_group.add_config_file_option(option_name="upstream-branch",
                      dest="upstream_branch")

    tag_group.add_boolean_config_file_option(option_name="sign-tags",
                      dest="sign_tags")
    tag_group.add_config_file_option(option_name="keyid",
                      dest="keyid")
    tag_group.add_config_file_option(option_name="debian-tag",
                      dest="debian_tag")
    tag_group.add_config_file_option(option_name="upstream-tag",
                      dest="upstream_tag")

    import_group.add_config_file_option(option_name="filter",
                      dest="filters", action="append")
    import_group.add_boolean_config_file_option(option_name="pristine-tar",
                      dest="pristine_tar")
    import_group.add_option("--allow-same-version", action="store_true",
                      dest="allow_same_version", default=False,
                      help="allow to import already imported version")
    (options, args) = parser.parse_args(argv[1:])
    gbp.log.setup(options.color, options.verbose)

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

    try:
        if len(args) != 1:
            parser.print_help()
            raise GbpError
        else:
            pkg = args[0]
            if options.download:
                dsc = download_source(pkg, dirs=dirs)
            else:
                dsc = pkg

            src = parse_dsc(dsc)
            if src.pkgformat not in [ '1.0', '3.0' ]:
                raise GbpError, "Importing %s source format not yet supported." % src.pkgformat
            if options.verbose:
                print_dsc(src)

            try:
                repo = GitRepository('.')
                is_empty = repo.is_empty()

                (clean, out) = repo.is_clean()
                if not clean and not is_empty:
                    gbp.log.err("Repository has uncommitted changes, commit these first: ")
                    raise GbpError, out

            except GitRepositoryError:
                # no repo found, create one
                needs_repo = True
                is_empty = True

            if needs_repo:
                gbp.log.info("No git repository found, creating one.")
                repo = create_repo(src.pkg)
                os.chdir(repo.path)

            dirs['tmp'] = os.path.abspath(tempfile.mkdtemp(dir='..'))
            unpack_dir = unpack_orig(src.tgz, dirs['tmp'], options.filters)
            unpack_dir = tar_toplevel(unpack_dir)

            format = [(options.upstream_tag, "Upstream"), (options.debian_tag, "Debian")][src.native]
            tag = build_tag(format[0], src.upstream_version)
            msg = "%s version %s" % (format[1], src.upstream_version)

            if repo.find_version(options.debian_tag, src.version):
                 gbp.log.warn("Version %s already imported." % src.version)
                 if options.allow_same_version:
                    gbp.log.info("Moving tag of version '%s' since import forced" % src.version)
                    move_tag_stamp(repo, options.debian_tag, src.version)
                 else:
                    raise SkipImport

            if not repo.find_version(format[0], src.upstream_version):
                gbp.log.info("Tag %s not found, importing %s tarball" % (tag, format[1]))
                if is_empty:
                    branch = None
                else:
                    branch = [options.upstream_branch,
                              options.debian_branch][src.native]
                commit = repo.commit_dir(unpack_dir,
                                         "Imported %s" % msg,
                                         branch)
                gitTag(version=tag, msg=msg, commit=commit)

                if not src.native:
                    if is_empty:
                        gbpc.GitBranch()(options.upstream_branch, commit)
                    if options.pristine_tar:
                        gbpc.PristineTar().commit(src.tgz, 'refs/heads/%s' % options.upstream_branch)
                    parents = [ options.upstream_branch ]
            if not src.native:
                if is_empty and not repo.has_branch(options.debian_branch):
                    gbpc.GitBranch()(options.debian_branch, commit)
                if src.diff or src.deb_tgz:
                    apply_debian_patch(repo, unpack_dir, src, options, parents)
                else:
                    gbp.log.warn("Didn't find a diff to apply.")
            if repo.get_branch() == options.debian_branch or is_empty:
                # Update HEAD if we modified the checked out branch
                repo.force_head(options.debian_branch, hard=True)
    except KeyboardInterrupt:
        ret = 1
        gbp.log.err("Interrupted. Aborting.")
    except gbpc.CommandExecFailed:
        ret = 1
    except GitRepositoryError, msg:
        gbp.log.err("Git command failed: %s" % msg)
        ret = 1
    except GbpError, err:
        if len(err.__str__()):
            gbp.log.err(err)
        ret = 1
    except SkipImport:
        skipped = True
    finally:
        os.chdir(dirs['top'])

    for d in [ 'tmp', 'download' ]:
        if dirs.has_key(d):
            gbpc.RemoveTree(dirs[d])()

    if not ret and not skipped:
        gbp.log.info("Everything imported under '%s'" % src.pkg)
    return ret

if __name__ == '__main__':
    sys.exit(main(sys.argv))

# vim:et:ts=4:sw=4:et:sts=4:ai:set list listchars=tab\:»·,trail\:·: