/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: 2018-06-14 17:59:16 UTC
  • mto: This revision was merged to the branch mainline in revision 7065.
  • Revision ID: jelmer@jelmer.uk-20180614175916-a2e2xh5k533guq1x
Move breezy.plugins.git to breezy.git.

Show diffs side-by-side

added added

removed removed

Lines of Context:
breezy/git/commit.py
 
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 __future__ import absolute_import
 
21
 
 
22
from dulwich.index import (
 
23
    commit_tree,
 
24
    )
 
25
import os
 
26
import stat
 
27
 
 
28
from .. import (
 
29
    config as _mod_config,
 
30
    gpg,
 
31
    osutils,
 
32
    revision as _mod_revision,
 
33
    )
 
34
from ..errors import (
 
35
    BzrError,
 
36
    RootMissing,
 
37
    UnsupportedOperation,
 
38
    )
 
39
from ..repository import (
 
40
    CommitBuilder,
 
41
    )
 
42
 
 
43
from dulwich.objects import (
 
44
    S_IFGITLINK,
 
45
    Blob,
 
46
    Commit,
 
47
    )
 
48
from dulwich.index import read_submodule_head
 
49
from dulwich.repo import Repo
 
50
 
 
51
 
 
52
from .mapping import (
 
53
    entry_mode,
 
54
    object_mode,
 
55
    fix_person_identifier,
 
56
    )
 
57
from .tree import entry_factory
 
58
 
 
59
 
 
60
class SettingCustomFileIdsUnsupported(UnsupportedOperation):
 
61
 
 
62
    _fmt = "Unable to store addition of file with custom file ids: %(file_ids)r"
 
63
 
 
64
    def __init__(self, file_ids):
 
65
        BzrError.__init__(self)
 
66
        self.file_ids = file_ids
 
67
 
 
68
 
 
69
class GitCommitBuilder(CommitBuilder):
 
70
    """Commit builder for Git repositories."""
 
71
 
 
72
    supports_record_entry_contents = False
 
73
 
 
74
    def __init__(self, *args, **kwargs):
 
75
        super(GitCommitBuilder, self).__init__(*args, **kwargs)
 
76
        self.random_revid = True
 
77
        self._validate_revprops(self._revprops)
 
78
        self.store = self.repository._git.object_store
 
79
        self._blobs = {}
 
80
        self._inv_delta = []
 
81
        self._any_changes = False
 
82
        self._override_fileids = {}
 
83
        self._mapping = self.repository.get_mapping()
 
84
 
 
85
    def any_changes(self):
 
86
        return self._any_changes
 
87
 
 
88
    def record_iter_changes(self, workingtree, basis_revid, iter_changes):
 
89
        seen_root = False
 
90
        for (file_id, path, changed_content, versioned, parent, name, kind,
 
91
             executable) in iter_changes:
 
92
            if kind[1] in ("directory",):
 
93
                self._inv_delta.append((path[0], path[1], file_id, entry_factory[kind[1]](file_id, name[1], parent[1])))
 
94
                if kind[0] in ("file", "symlink"):
 
95
                    self._blobs[path[0].encode("utf-8")] = None
 
96
                    self._any_changes = True
 
97
                if path[1] == "":
 
98
                    seen_root = True
 
99
                continue
 
100
            self._any_changes = True
 
101
            if path[1] is None:
 
102
                self._inv_delta.append((path[0], path[1], file_id, None))
 
103
                self._blobs[path[0].encode("utf-8")] = None
 
104
                continue
 
105
            try:
 
106
                entry_kls = entry_factory[kind[1]]
 
107
            except KeyError:
 
108
                raise KeyError("unknown kind %s" % kind[1])
 
109
            entry = entry_kls(file_id, name[1], parent[1])
 
110
            if kind[1] == "file":
 
111
                entry.executable = executable[1]
 
112
                blob = Blob()
 
113
                f, st = workingtree.get_file_with_stat(path[1], file_id)
 
114
                try:
 
115
                    blob.data = f.read()
 
116
                finally:
 
117
                    f.close()
 
118
                entry.text_size = len(blob.data)
 
119
                entry.text_sha1 = osutils.sha_string(blob.data)
 
120
                self.store.add_object(blob)
 
121
                sha = blob.id
 
122
            elif kind[1] == "symlink":
 
123
                symlink_target = workingtree.get_symlink_target(path[1], file_id)
 
124
                blob = Blob()
 
125
                blob.data = symlink_target.encode("utf-8")
 
126
                self.store.add_object(blob)
 
127
                sha = blob.id
 
128
                entry.symlink_target = symlink_target
 
129
                st = None
 
130
            elif kind[1] == "tree-reference":
 
131
                sha = read_submodule_head(workingtree.abspath(path[1]))
 
132
                reference_revision = workingtree.get_reference_revision(path[1], file_id)
 
133
                entry.reference_revision = reference_revision
 
134
                st = None
 
135
            else:
 
136
                raise AssertionError("Unknown kind %r" % kind[1])
 
137
            mode = object_mode(kind[1], executable[1])
 
138
            self._inv_delta.append((path[0], path[1], file_id, entry))
 
139
            encoded_new_path = path[1].encode("utf-8")
 
140
            self._blobs[encoded_new_path] = (mode, sha)
 
141
            if st is not None:
 
142
                yield file_id, path[1], (entry.text_sha1, st)
 
143
            if self._mapping.generate_file_id(encoded_new_path) != file_id:
 
144
                self._override_fileids[encoded_new_path] = file_id
 
145
            else:
 
146
                self._override_fileids[encoded_new_path] = None
 
147
        if not seen_root and len(self.parents) == 0:
 
148
            raise RootMissing()
 
149
        if getattr(workingtree, "basis_tree", False):
 
150
            basis_tree = workingtree.basis_tree()
 
151
        else:
 
152
            if len(self.parents) == 0:
 
153
                basis_revid = _mod_revision.NULL_REVISION
 
154
            else:
 
155
                basis_revid = self.parents[0]
 
156
            basis_tree = self.repository.revision_tree(basis_revid)
 
157
        # Fill in entries that were not changed
 
158
        for entry in basis_tree._iter_tree_contents(include_trees=False):
 
159
            if entry.path in self._blobs:
 
160
                continue
 
161
            self._blobs[entry.path] = (entry.mode, entry.sha)
 
162
        if not self._lossy:
 
163
            try:
 
164
                fileid_map = dict(basis_tree._fileid_map.file_ids)
 
165
            except AttributeError:
 
166
                fileid_map = {}
 
167
            for path, file_id in self._override_fileids.iteritems():
 
168
                if type(path) is not str:
 
169
                    raise TypeError(path)
 
170
                if file_id is None:
 
171
                    if path in fileid_map:
 
172
                        del fileid_map[path]
 
173
                else:
 
174
                    if type(file_id) is not str:
 
175
                        raise TypeError(file_id)
 
176
                    fileid_map[path] = file_id
 
177
            if fileid_map:
 
178
                fileid_blob = self._mapping.export_fileid_map(fileid_map)
 
179
            else:
 
180
                fileid_blob = None
 
181
            if fileid_blob is not None:
 
182
                if self._mapping.BZR_FILE_IDS_FILE is None:
 
183
                    raise SettingCustomFileIdsUnsupported(fileid_map)
 
184
                self.store.add_object(fileid_blob)
 
185
                self._blobs[self._mapping.BZR_FILE_IDS_FILE] = (stat.S_IFREG | 0o644, fileid_blob.id)
 
186
            else:
 
187
                self._blobs[self._mapping.BZR_FILE_IDS_FILE] = None
 
188
        self.new_inventory = None
 
189
 
 
190
    def update_basis(self, tree):
 
191
        # Nothing to do here
 
192
        pass
 
193
 
 
194
    def finish_inventory(self):
 
195
        # eliminate blobs that were removed
 
196
        for path, entry in iter(self._blobs.items()):
 
197
            if entry is None:
 
198
                del self._blobs[path]
 
199
 
 
200
    def _iterblobs(self):
 
201
        return ((path, sha, mode) for (path, (mode, sha)) in self._blobs.iteritems())
 
202
 
 
203
    def commit(self, message):
 
204
        self._validate_unicode_text(message, 'commit message')
 
205
        c = Commit()
 
206
        c.parents = [self.repository.lookup_bzr_revision_id(revid)[0] for revid in self.parents]
 
207
        c.tree = commit_tree(self.store, self._iterblobs())
 
208
        c.encoding = self._revprops.pop('git-explicit-encoding', 'utf-8')
 
209
        c.committer = fix_person_identifier(self._committer.encode(c.encoding))
 
210
        c.author = fix_person_identifier(self._revprops.pop('author', self._committer).encode(c.encoding))
 
211
        if self._revprops:
 
212
            raise NotImplementedError(self._revprops)
 
213
        c.commit_time = int(self._timestamp)
 
214
        c.author_time = int(self._timestamp)
 
215
        c.commit_timezone = self._timezone
 
216
        c.author_timezone = self._timezone
 
217
        c.message = message.encode(c.encoding)
 
218
        if self._config_stack.get('create_signatures') == _mod_config.SIGN_ALWAYS:
 
219
            strategy = gpg.GPGStrategy(self._config_stack)
 
220
            c.gpgsig = strategy.sign(c.as_raw_string(), gpg.MODE_DETACH)
 
221
        self.store.add_object(c)
 
222
        self.repository.commit_write_group()
 
223
        self._new_revision_id = self._mapping.revision_id_foreign_to_bzr(c.id)
 
224
        return self._new_revision_id
 
225
 
 
226
    def abort(self):
 
227
        if self.repository.is_in_write_group():
 
228
            self.repository.abort_write_group()
 
229
 
 
230
    def revision_tree(self):
 
231
        return self.repository.revision_tree(self._new_revision_id)
 
232
 
 
233
    def get_basis_delta(self):
 
234
        # TODO(jelmer): remove this logic when lp:~jelmer/brz/remaining lands
 
235
        for (oldpath, newpath, file_id, entry) in self._inv_delta:
 
236
            if entry is not None:
 
237
                entry.revision = self._new_revision_id
 
238
        return self._inv_delta
 
239
 
 
240
    def update_basis_by_delta(self, revid, delta):
 
241
        pass