~bzr-pqm/bzr/bzr.dev

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
# Copyright (C) 2006, 2007, 2009, 2010, 2011 Canonical Ltd
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Command which looks for unsigned commits by the current user, and signs them.
"""

from bzrlib.lazy_import import lazy_import
lazy_import(globals(), """
from bzrlib import (
    bzrdir as _mod_bzrdir,
    gpg,
    )
""")
from bzrlib.commands import Command
from bzrlib.option import Option
from bzrlib.trace import note

class cmd_sign_my_commits(Command):
    __doc__ = """Sign all commits by a given committer.

    If location is not specified the local tree is used.
    If committer is not specified the default committer is used.

    This does not sign commits that already have signatures.
    """
    # Note that this signs everything on the branch's ancestry
    # (both mainline and merged), but not other revisions that may be in the
    # repository

    takes_options = [
            Option('dry-run',
                   help='Don\'t actually sign anything, just print'
                        ' the revisions that would be signed.'),
            ]
    takes_args = ['location?', 'committer?']

    def run(self, location=None, committer=None, dry_run=False):
        if location is None:
            bzrdir = _mod_bzrdir.BzrDir.open_containing('.')[0]
        else:
            # Passed in locations should be exact
            bzrdir = _mod_bzrdir.BzrDir.open(location)
        branch = bzrdir.open_branch()
        repo = branch.repository
        branch_config = branch.get_config()

        if committer is None:
            committer = branch_config.username()
        gpg_strategy = gpg.GPGStrategy(branch_config)

        count = 0
        repo.lock_write()
        try:
            repo.start_write_group()
            try:
                for rev_id in repo.get_ancestry(branch.last_revision())[1:]:
                    if repo.has_signature_for_revision_id(rev_id):
                        continue
                    rev = repo.get_revision(rev_id)
                    if rev.committer != committer:
                        continue
                    # We have a revision without a signature who has a
                    # matching committer, start signing
                    print rev_id
                    count += 1
                    if not dry_run:
                        repo.sign_revision(rev_id, gpg_strategy)
            except:
                repo.abort_write_group()
                raise
            else:
                repo.commit_write_group()
        finally:
            repo.unlock()
        print 'Signed %d revisions' % (count,)


class cmd_verify(Command):
    __doc__ = """Verify all commit signatures.

    Verifies that all commits in the branch are signed by known GnuPG keys.
    """

    takes_options = [
            Option('acceptable-keys',
                   help='Comma separated list of GPG key patterns which are'
                        ' acceptable for verification.',
                   short_name='k',
                   type=str,),
            ]

    def run(self, acceptable_keys=None):
        bzrdir = _mod_bzrdir.BzrDir.open_containing('.')[0]
        branch = bzrdir.open_branch()
        repo = branch.repository
        branch_config = branch.get_config()

        gpg_strategy = gpg.GPGStrategy(branch_config)
        if acceptable_keys is not None:
            gpg_strategy.set_acceptable_keys(acceptable_keys)

        count = {gpg.SIGNATURE_VALID: 0,
                 gpg.SIGNATURE_KEY_MISSING: 0,
                 gpg.SIGNATURE_NOT_VALID: 0,
                 gpg.SIGNATURE_NOT_SIGNED: 0}
        result = []
        for rev_id in repo.get_ancestry(branch.last_revision())[1:]:
            rev = repo.get_revision(rev_id)
            verification_result = repo.verify_revision(rev_id, gpg_strategy)
            result.append([rev_id, verification_result])
            count[verification_result] += 1

        if count[gpg.SIGNATURE_VALID] > 0 and \
           count[gpg.SIGNATURE_KEY_MISSING] == 0 and \
           count[gpg.SIGNATURE_NOT_VALID] == 0 and \
           count[gpg.SIGNATURE_NOT_SIGNED] == 0:
               note("All commits signed with verifiable keys")
               return 0
        else:
            note("{0} commits with valid signatures".format(
                                        count[gpg.SIGNATURE_VALID]))
            note("{0} commits with unknown keys".format(
                                        count[gpg.SIGNATURE_KEY_MISSING]))
            note("{0} commits not valid".format(
                                        count[gpg.SIGNATURE_NOT_VALID]))
            note("{0} commits not signed".format(
                                        count[gpg.SIGNATURE_NOT_SIGNED]))
            return 1