/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to breezy/git/commit.py

  • Committer: Jelmer Vernooij
  • Date: 2020-03-22 01:35:14 UTC
  • mfrom: (7490.7.6 work)
  • mto: This revision was merged to the branch mainline in revision 7499.
  • Revision ID: jelmer@jelmer.uk-20200322013514-7vw1ntwho04rcuj3
merge lp:brz/3.1.

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
# Copyright (C) 2009-2018 Jelmer Vernooij <jelmer@jelmer.uk>
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
 
 
18
"""Support for committing in native Git working trees."""
 
19
 
 
20
from dulwich.index import (
 
21
    commit_tree,
 
22
    )
 
23
import stat
 
24
 
 
25
from .. import (
 
26
    bugtracker,
 
27
    config as _mod_config,
 
28
    gpg,
 
29
    osutils,
 
30
    revision as _mod_revision,
 
31
    )
 
32
from ..errors import (
 
33
    BzrError,
 
34
    RootMissing,
 
35
    UnsupportedOperation,
 
36
    )
 
37
from ..repository import (
 
38
    CommitBuilder,
 
39
    )
 
40
 
 
41
from dulwich.objects import (
 
42
    Blob,
 
43
    Commit,
 
44
    )
 
45
from dulwich.index import read_submodule_head
 
46
 
 
47
 
 
48
from .mapping import (
 
49
    object_mode,
 
50
    fix_person_identifier,
 
51
    )
 
52
from .tree import entry_factory
 
53
 
 
54
 
 
55
class GitCommitBuilder(CommitBuilder):
 
56
    """Commit builder for Git repositories."""
 
57
 
 
58
    supports_record_entry_contents = False
 
59
 
 
60
    def __init__(self, *args, **kwargs):
 
61
        super(GitCommitBuilder, self).__init__(*args, **kwargs)
 
62
        self.random_revid = True
 
63
        self._validate_revprops(self._revprops)
 
64
        self.store = self.repository._git.object_store
 
65
        self._blobs = {}
 
66
        self._inv_delta = []
 
67
        self._any_changes = False
 
68
        self._mapping = self.repository.get_mapping()
 
69
 
 
70
    def any_changes(self):
 
71
        return self._any_changes
 
72
 
 
73
    def record_iter_changes(self, workingtree, basis_revid, iter_changes):
 
74
        seen_root = False
 
75
        for change in iter_changes:
 
76
            if change.kind[1] in ("directory",):
 
77
                self._inv_delta.append(
 
78
                    (change.path[0], change.path[1], change.file_id,
 
79
                     entry_factory[change.kind[1]](
 
80
                         change.file_id, change.name[1], change.parent_id[1])))
 
81
                if change.kind[0] in ("file", "symlink"):
 
82
                    self._blobs[change.path[0].encode("utf-8")] = None
 
83
                    self._any_changes = True
 
84
                if change.path[1] == "":
 
85
                    seen_root = True
 
86
                continue
 
87
            self._any_changes = True
 
88
            if change.path[1] is None:
 
89
                self._inv_delta.append((change.path[0], change.path[1], change.file_id, None))
 
90
                self._blobs[change.path[0].encode("utf-8")] = None
 
91
                continue
 
92
            try:
 
93
                entry_kls = entry_factory[change.kind[1]]
 
94
            except KeyError:
 
95
                raise KeyError("unknown kind %s" % change.kind[1])
 
96
            entry = entry_kls(change.file_id, change.name[1], change.parent_id[1])
 
97
            if change.kind[1] == "file":
 
98
                entry.executable = change.executable[1]
 
99
                blob = Blob()
 
100
                f, st = workingtree.get_file_with_stat(change.path[1])
 
101
                try:
 
102
                    blob.data = f.read()
 
103
                finally:
 
104
                    f.close()
 
105
                entry.text_size = len(blob.data)
 
106
                entry.text_sha1 = osutils.sha_string(blob.data)
 
107
                self.store.add_object(blob)
 
108
                sha = blob.id
 
109
            elif change.kind[1] == "symlink":
 
110
                symlink_target = workingtree.get_symlink_target(change.path[1])
 
111
                blob = Blob()
 
112
                blob.data = symlink_target.encode("utf-8")
 
113
                self.store.add_object(blob)
 
114
                sha = blob.id
 
115
                entry.symlink_target = symlink_target
 
116
                st = None
 
117
            elif change.kind[1] == "tree-reference":
 
118
                sha = read_submodule_head(workingtree.abspath(change.path[1]))
 
119
                reference_revision = workingtree.get_reference_revision(change.path[1])
 
120
                entry.reference_revision = reference_revision
 
121
                st = None
 
122
            else:
 
123
                raise AssertionError("Unknown kind %r" % change.kind[1])
 
124
            mode = object_mode(change.kind[1], change.executable[1])
 
125
            self._inv_delta.append((change.path[0], change.path[1], change.file_id, entry))
 
126
            encoded_new_path = change.path[1].encode("utf-8")
 
127
            self._blobs[encoded_new_path] = (mode, sha)
 
128
            if st is not None:
 
129
                yield change.path[1], (entry.text_sha1, st)
 
130
        if not seen_root and len(self.parents) == 0:
 
131
            raise RootMissing()
 
132
        if getattr(workingtree, "basis_tree", False):
 
133
            basis_tree = workingtree.basis_tree()
 
134
        else:
 
135
            if len(self.parents) == 0:
 
136
                basis_revid = _mod_revision.NULL_REVISION
 
137
            else:
 
138
                basis_revid = self.parents[0]
 
139
            basis_tree = self.repository.revision_tree(basis_revid)
 
140
        # Fill in entries that were not changed
 
141
        for entry in basis_tree._iter_tree_contents(include_trees=False):
 
142
            if entry.path in self._blobs:
 
143
                continue
 
144
            self._blobs[entry.path] = (entry.mode, entry.sha)
 
145
        self.new_inventory = None
 
146
 
 
147
    def update_basis(self, tree):
 
148
        # Nothing to do here
 
149
        pass
 
150
 
 
151
    def finish_inventory(self):
 
152
        # eliminate blobs that were removed
 
153
        self._blobs = {k: v for (k, v) in self._blobs.items() if v is not None}
 
154
 
 
155
    def _iterblobs(self):
 
156
        return ((path, sha, mode) for (path, (mode, sha))
 
157
                in self._blobs.items())
 
158
 
 
159
    def commit(self, message):
 
160
        self._validate_unicode_text(message, 'commit message')
 
161
        c = Commit()
 
162
        c.parents = [self.repository.lookup_bzr_revision_id(
 
163
            revid)[0] for revid in self.parents]
 
164
        c.tree = commit_tree(self.store, self._iterblobs())
 
165
        encoding = self._revprops.pop(u'git-explicit-encoding', 'utf-8')
 
166
        c.encoding = encoding.encode('ascii')
 
167
        c.committer = fix_person_identifier(self._committer.encode(encoding))
 
168
        try:
 
169
            author = self._revprops.pop('author')
 
170
        except KeyError:
 
171
            try:
 
172
                authors = self._revprops.pop('authors').splitlines()
 
173
            except KeyError:
 
174
                author = self._committer
 
175
            else:
 
176
                if len(authors) > 1:
 
177
                    raise Exception("Unable to convert multiple authors")
 
178
                elif len(authors) == 0:
 
179
                    author = self._committer
 
180
                else:
 
181
                    author = authors[0]
 
182
        c.author = fix_person_identifier(author.encode(encoding))
 
183
        bugstext = self._revprops.pop('bugs', None)
 
184
        if bugstext is not None:
 
185
            message += "\n"
 
186
            for url, status in bugtracker.decode_bug_urls(bugstext):
 
187
                if status == bugtracker.FIXED:
 
188
                    message += "Fixes: %s\n" % url
 
189
                elif status == bugtracker.RELATED:
 
190
                    message += "Bug: %s\n" % url
 
191
                else:
 
192
                    raise bugtracker.InvalidBugStatus(status)
 
193
        if self._revprops:
 
194
            raise NotImplementedError(self._revprops)
 
195
        c.commit_time = int(self._timestamp)
 
196
        c.author_time = int(self._timestamp)
 
197
        c.commit_timezone = self._timezone
 
198
        c.author_timezone = self._timezone
 
199
        c.message = message.encode(encoding)
 
200
        if (self._config_stack.get('create_signatures') ==
 
201
                _mod_config.SIGN_ALWAYS):
 
202
            strategy = gpg.GPGStrategy(self._config_stack)
 
203
            c.gpgsig = strategy.sign(c.as_raw_string(), gpg.MODE_DETACH)
 
204
        self.store.add_object(c)
 
205
        self.repository.commit_write_group()
 
206
        self._new_revision_id = self._mapping.revision_id_foreign_to_bzr(c.id)
 
207
        return self._new_revision_id
 
208
 
 
209
    def abort(self):
 
210
        if self.repository.is_in_write_group():
 
211
            self.repository.abort_write_group()
 
212
 
 
213
    def revision_tree(self):
 
214
        return self.repository.revision_tree(self._new_revision_id)
 
215
 
 
216
    def get_basis_delta(self):
 
217
        return self._inv_delta
 
218
 
 
219
    def update_basis_by_delta(self, revid, delta):
 
220
        pass