aboutsummaryrefslogtreecommitdiff
path: root/git-buildpackage
blob: a11e43e60cba683c4c86524d7d0d162859d77961 (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
#!/usr/bin/python
# 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
#
"""run commands to build a debian package out of a git repository"""

import sys
import os, os.path
import errno
import pipes
import time
import gbp.deb_utils as du
from gbp.git_utils import (GitRepositoryError, GitRepository, build_tag)
from gbp.command_wrappers import (GitTag, Command, RunAtCommand, CommandExecFailed, 
                                  PristineTar, RemoveTree)
from gbp.config import GbpOptionParser
from gbp.errors import GbpError


def git_archive_pipe(prefix, pipe, output, treeish):
    """run the git_archive pipe"""
    pipe.prepend('git-archive --format=tar --prefix=%s/ %s' % (prefix, treeish), '.-')
    try:
        ret = pipe.copy('', output)
        if ret:
            print >>sys.stderr, "Error creating %s: %d" % (output, ret)
            return False
    except OSError, err:
        print >>sys.stderr, "Error creating %s: %s" % (output, err[0])
        return False
    except:
        print >>sys.stderr, "Error creating %s" % (output,)
        return False
    return True


def git_archive(cp, output_dir, treeish):
    "create an orig.tar.gz in output_dir using git_archive"
    output = os.path.join(output_dir, du.orig_file(cp))
    prefix = "%s-%s" % (cp['Source'], cp['Upstream-Version'])
    gzip_opts = "-9 -n"

    pipe = pipes.Template()
    pipe.append('gzip -c %s' % gzip_opts,  '--')
    return git_archive_pipe(prefix, pipe, output, treeish)


def dump_tree(export_dir, treeish):
    "dump a tree to output_dir"
    output_dir = os.path.dirname(export_dir)
    prefix = os.path.basename(export_dir)
    pipe = pipes.Template()
    pipe.append('tar -C %s -xf -' % output_dir,  '-.')
    return git_archive_pipe(prefix, pipe, '', treeish)


def move_old_export(target):
    """move a build tree away if it exists"""
    try:
        os.mkdir(target)
    except OSError, (e, msg):
        if e == errno.EEXIST:
            os.rename(target, "%s.obsolete.%s" % (target, time.time()))


def prepare_output_dir(dir):
    output_dir = dir
    if not dir:
        output_dir = '..'
    output_dir = os.path.abspath(output_dir)

    try:
        os.mkdir(output_dir)
    except OSError, (e, msg):
        if e != errno.EEXIST:
            raise GbpError, "Cannot create output dir %s" % output_dir
    return output_dir

def pristine_tar_build_orig(repo, cp, output_dir, options):
    """
    build orig using pristine-tar
    @return: True: orig.tar.gz build, False: noop
    """
    if options.pristine_tar:
        pt = PristineTar()
        if not repo.has_branch(pt.branch):
            print >>sys.stderr, 'Pristine-tar branch "%s" not found' % pt.branch
        pt.checkout(os.path.join(output_dir, du.orig_file(cp)))
        return True
    else:
        return False

def git_archive_build_orig(repo, cp, output_dir, options):
    """build orig using git-archive"""
    # --upstream-branch was given on the command line, so use this:
    if options.upstream_branch != GbpOptionParser.defaults['upstream-branch']:
        upstream_tree = options.upstream_branch
    else:
        upstream_tree = build_tag(options.upstream_tag, cp['Upstream-Version'])
        # fall back to the upstream-branch tip if the tag doesn't exist
        if not repo.has_treeish(upstream_tree):
            upstream_tree = GbpOptionParser.defaults['upstream-branch']
    print "%s does not exist, creating from '%s'" % (du.orig_file(cp), upstream_tree)
    if not repo.has_treeish(upstream_tree):
        raise GbpError # git-ls-tree printed an error message already
    if not git_archive(cp, output_dir, upstream_tree):
        raise GbpError, "Cannot create upstream tarball at '%s'" % output_dir

def main(argv):
    changelog = 'debian/changelog'
    default_tree = 'HEAD'
    retval = 0
    prefix = "git-"

    args = [ arg for arg in argv[1:] if arg.find('--%s' % prefix) == 0 ]
    dpkg_args = [ arg for arg in argv[1:] if arg.find('--%s' % prefix) == -1 ]

    for arg in [ "--help", "-h", "--version" ]:
        if arg in dpkg_args:
            args.append(arg)

    parser = GbpOptionParser(command=os.path.basename(argv[0]), prefix=prefix)

    parser.add_option("--git-ignore-new", action="store_true", dest="ignore_new", default=False,
                      help="build with uncommited changes in the source tree")
    parser.add_option("--git-verbose", action="store_true", dest="verbose", default=False,
                      help="verbose command execution")
    parser.add_config_file_option(option_name="builder", dest="builder",
                      help="command to build the package, default is '%(builder)s'")
    parser.add_config_file_option(option_name="cleaner", dest="cleaner",
                      help="command to build the package, default is '%(cleaner)s'")
    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="debian-branch", dest='debian_branch',
                      help="branch the debian patch is being developed on, default is '%(debian-branch)s'")
    parser.add_option("--git-tag", action="store_true", dest="tag", default=False,
                      help="tag after a successful build")
    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="no-create-orig", dest="no_create_orig",
                      help="don't create orig.tar.gz", action="store_true")
    parser.add_config_file_option(option_name="posttag", dest="posttag",
                      help="hook to execute after a successfull tag operation")
    parser.add_config_file_option(option_name="keyid", dest="keyid",
                      help="GPG keyid to sign tags with")
    parser.add_config_file_option(option_name="debian-tag", dest="debian_tag",
                      help="format string for debian tags, default is '%(debian-tag)s'")
    parser.add_config_file_option(option_name="upstream-tag", dest="upstream_tag",
                      help="format string for upstream tags, default is '%(upstream-tag)s'")
    parser.add_config_file_option(option_name="export-dir", dest="export_dir",
                      help="before building export into EXPORT_DIR")
    parser.add_config_file_option(option_name="tarball-dir", dest="tarball_dir",
                      help="location to look for external tarballs")
    parser.add_config_file_option(option_name="pristine-tar", dest="pristine_tar",
                      help="Use pristine-tar to create .orig.tar.gz", action="store_true")
    parser.add_option("--git-export", dest="treeish", default=default_tree,
                      help="export treeish object TREEISH, default is '%s'" % default_tree)
    (options, args) = parser.parse_args(args)

    if options.verbose:
        Command.verbose = True

    try:
        repo = GitRepository(os.path.curdir)
    except GitRepositoryError:
        print >>sys.stderr, "%s is not a git repository" % (os.path.abspath('.'))
        return 1
    else:
        repo_dir = os.path.abspath(os.path.curdir)

    try:
        if not options.ignore_new:
            Command(options.cleaner, shell=True)()
            (ret, out) = repo.is_clean()
            if not ret:
                print >>sys.stderr, "You have uncommitted changes in your source tree:"
                print >>sys.stderr, out
                raise GbpError, "Use --git-ignore-new to ignore."

            branch = repo.get_branch()
            if branch != options.debian_branch:
                print >>sys.stderr, "You are not on branch '%s' but on '%s'" % (options.debian_branch, branch)
                raise GbpError, "Use --git-ignore-new to ignore or --git-debian-branch to set the branch name."

        try:
            cp = du.parse_changelog(changelog)
        except du.NoChangelogError:
            raise GbpError, "'%s' does not exist, not a debian package" % changelog
        except du.ParseChangeLogError, err:
            raise GbpError, "Error parsing Changelog: %s" % err

        output_dir = prepare_output_dir(options.export_dir)
        if options.tarball_dir:
            tarball_dir = options.tarball_dir
        else:
            tarball_dir = output_dir

        if not repo.has_treeish(options.treeish):
            raise GbpError # git-ls-tree printed an error message already
        # Export to another build dir if requested:
        if options.export_dir:
            tmp_dir = os.path.join(output_dir, "%s-tmp" % cp['Source'])
            print "Exporting '%s' to '%s'" % (options.treeish, tmp_dir)
            dump_tree(tmp_dir, options.treeish)
            cp = du.parse_changelog(os.path.join(tmp_dir, 'debian', 'changelog'))
            if du.is_native(cp):
                version = cp['Debian-Version']
            else:
                version = cp['Upstream-Version']
            export_dir = os.path.join(output_dir, "%s-%s" % (cp['Source'], version))
            print "Moving '%s' to '%s'" % (tmp_dir, export_dir)
            move_old_export(export_dir)
            os.rename(tmp_dir, export_dir)

        # Get/build the orig.tar.gz if necessary:
        if not du.is_native(cp):
            if du.has_orig(cp, output_dir):
                pass
            elif options.tarball_dir: # separate tarball dir specified
                print "Getting orig tarbball from %s" % tarball_dir
                if not du.copy_orig(cp, tarball_dir, output_dir):
                    raise GbpError, "Cannot copy orig tarball from %s" % tarball_dir
            elif not options.no_create_orig:
                if not pristine_tar_build_orig(repo, cp, output_dir, options):
                    git_archive_build_orig(repo, cp, output_dir, options)

        if options.export_dir:
            build_dir = export_dir
        else:
            build_dir = repo_dir

        RunAtCommand(options.builder, dpkg_args, shell=True)(dir=build_dir)
        if options.tag:
            try:
                version = cp['Version']
            except KeyError:
                raise GbpError, "Can't parse version from changelog"
            else:
                print "Tagging %s" % version
                GitTag(options.sign_tags, options.keyid)(build_tag(options.debian_tag, version),
                       msg="Debian release %s" % version)
                if(options.posttag):
                    Command(options.posttag, shell=True)()

    except CommandExecFailed:
        retval = 1
    except GbpError, err:
        if len(err.__str__()):
            print >>sys.stderr, err
        retval = 1

    if options.export_dir and not retval:
        RemoveTree(export_dir)()

    return retval

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

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