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  • Committer: Jelmer Vernooij
  • Date: 2020-06-23 01:02:30 UTC
  • mfrom: (7490.40.27 work)
  • mto: This revision was merged to the branch mainline in revision 7517.
  • Revision ID: jelmer@jelmer.uk-20200623010230-62nnywznmb76h6ut
Merge lp:brz/3.1.

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breezy/git/commit.py
1
 
# Copyright (C) 2009-2010 Jelmer Vernooij <jelmer@samba.org>
 
1
# Copyright (C) 2009-2018 Jelmer Vernooij <jelmer@jelmer.uk>
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
17
 
18
18
"""Support for committing in native Git working trees."""
19
19
 
20
 
 
21
20
from dulwich.index import (
22
21
    commit_tree,
23
22
    )
24
 
import os
25
23
import stat
26
24
 
27
 
from bzrlib.repository import (
 
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 (
28
38
    CommitBuilder,
29
39
    )
30
40
 
31
41
from dulwich.objects import (
32
 
    S_IFGITLINK,
33
42
    Blob,
34
43
    Commit,
35
44
    )
36
 
 
37
 
 
38
 
from bzrlib.plugins.git.mapping import (
39
 
    entry_mode,
 
45
from dulwich.index import read_submodule_head
 
46
 
 
47
 
 
48
from .mapping import (
 
49
    object_mode,
 
50
    fix_person_identifier,
40
51
    )
 
52
from .tree import entry_factory
41
53
 
42
54
 
43
55
class GitCommitBuilder(CommitBuilder):
 
56
    """Commit builder for Git repositories."""
 
57
 
 
58
    supports_record_entry_contents = False
44
59
 
45
60
    def __init__(self, *args, **kwargs):
46
61
        super(GitCommitBuilder, self).__init__(*args, **kwargs)
 
62
        self.random_revid = True
 
63
        self._validate_revprops(self._revprops)
47
64
        self.store = self.repository._git.object_store
48
65
        self._blobs = {}
49
 
 
50
 
    def record_entry_contents(self, ie, parent_invs, path, tree,
51
 
        content_summary):
52
 
        raise NotImplementedError(self.record_entry_contents)
53
 
 
54
 
    def record_delete(self, path, file_id):
55
 
        self._blobs[path] = None
56
 
        self._any_changes = True
 
66
        self._inv_delta = []
 
67
        self._deleted_paths = set()
 
68
        self._any_changes = False
 
69
        self._mapping = self.repository.get_mapping()
 
70
 
 
71
    def any_changes(self):
 
72
        return self._any_changes
57
73
 
58
74
    def record_iter_changes(self, workingtree, basis_revid, iter_changes):
59
 
        index = getattr(workingtree, "index", None)
60
 
        if index is not None:
61
 
            def index_sha1(path, file_id):
62
 
                return index.get_sha1(path.encode("utf-8"))
63
 
            text_sha1 = link_sha1 = index_sha1
 
75
        seen_root = False
 
76
        for change in iter_changes:
 
77
            if change.kind[1] in ("directory",):
 
78
                self._inv_delta.append(
 
79
                    (change.path[0], change.path[1], change.file_id,
 
80
                     entry_factory[change.kind[1]](
 
81
                         change.file_id, change.name[1], change.parent_id[1])))
 
82
                if change.kind[0] in ("file", "symlink"):
 
83
                    self._blobs[change.path[0].encode("utf-8")] = None
 
84
                    self._any_changes = True
 
85
                if change.path[1] == "":
 
86
                    seen_root = True
 
87
                continue
 
88
            self._any_changes = True
 
89
            if change.path[1] is None:
 
90
                self._inv_delta.append((change.path[0], change.path[1], change.file_id, None))
 
91
                self._deleted_paths.add(change.path[0].encode("utf-8"))
 
92
                continue
 
93
            try:
 
94
                entry_kls = entry_factory[change.kind[1]]
 
95
            except KeyError:
 
96
                raise KeyError("unknown kind %s" % change.kind[1])
 
97
            entry = entry_kls(change.file_id, change.name[1], change.parent_id[1])
 
98
            if change.kind[1] == "file":
 
99
                entry.executable = change.executable[1]
 
100
                blob = Blob()
 
101
                f, st = workingtree.get_file_with_stat(change.path[1])
 
102
                try:
 
103
                    blob.data = f.read()
 
104
                finally:
 
105
                    f.close()
 
106
                entry.text_size = len(blob.data)
 
107
                entry.text_sha1 = osutils.sha_string(blob.data)
 
108
                self.store.add_object(blob)
 
109
                sha = blob.id
 
110
            elif change.kind[1] == "symlink":
 
111
                symlink_target = workingtree.get_symlink_target(change.path[1])
 
112
                blob = Blob()
 
113
                blob.data = symlink_target.encode("utf-8")
 
114
                self.store.add_object(blob)
 
115
                sha = blob.id
 
116
                entry.symlink_target = symlink_target
 
117
                st = None
 
118
            elif change.kind[1] == "tree-reference":
 
119
                sha = read_submodule_head(workingtree.abspath(change.path[1]))
 
120
                reference_revision = workingtree.get_reference_revision(change.path[1])
 
121
                entry.reference_revision = reference_revision
 
122
                st = None
 
123
            else:
 
124
                raise AssertionError("Unknown kind %r" % change.kind[1])
 
125
            mode = object_mode(change.kind[1], change.executable[1])
 
126
            self._inv_delta.append((change.path[0], change.path[1], change.file_id, entry))
 
127
            if change.path[0] is not None:
 
128
                self._deleted_paths.add(change.path[0].encode("utf-8"))
 
129
            self._blobs[change.path[1].encode("utf-8")] = (mode, sha)
 
130
            if st is not None:
 
131
                yield change.path[1], (entry.text_sha1, st)
 
132
        if not seen_root and len(self.parents) == 0:
 
133
            raise RootMissing()
 
134
        if getattr(workingtree, "basis_tree", False):
 
135
            basis_tree = workingtree.basis_tree()
64
136
        else:
65
 
            def link_sha1(path, file_id):
66
 
                blob = Blob()
67
 
                blob.data = workingtree.get_symlink_target(file_id)
68
 
                return blob.id
69
 
            def text_sha1(path, file_id):
70
 
                blob = Blob()
71
 
                blob.data = workingtree.get_file_text(file_id, path)
72
 
                return blob.id
73
 
        for (file_id, path, changed_content, versioned, parent, name, kind,
74
 
             executable) in iter_changes:
75
 
            if kind[1] in ("directory",):
76
 
                if kind[0] in ("file", "symlink"):
77
 
                    self.record_delete(path[0], file_id)
78
 
                continue
79
 
            if path[1] is None:
80
 
                self.record_delete(path[0], file_id)
81
 
                continue
82
 
            if kind[1] == "file":
83
 
                mode = stat.S_IFREG
84
 
                sha = text_sha1(path[1], file_id)
85
 
            elif kind[1] == "symlink":
86
 
                mode = stat.S_IFLNK
87
 
                sha = link_sha1(path[1], file_id)
88
 
            elif kind[1] == "tree-reference":
89
 
                mode = S_IFGITLINK
90
 
                sha = "FIXME"
 
137
            if len(self.parents) == 0:
 
138
                basis_revid = _mod_revision.NULL_REVISION
91
139
            else:
92
 
                raise AssertionError("Unknown kind %r" % kind[1])
93
 
            if executable[1]:
94
 
                mode |= 0111
95
 
            self._any_changes = True
96
 
            self._blobs[path[1].encode("utf-8")] = (mode, sha)
97
 
            file_sha1 = workingtree.get_file_sha1(file_id, path[1])
98
 
            yield file_id, path[1], (file_sha1, os.lstat(workingtree.abspath(path[1])))
 
140
                basis_revid = self.parents[0]
 
141
            basis_tree = self.repository.revision_tree(basis_revid)
99
142
        # Fill in entries that were not changed
100
 
        basis_tree = workingtree.basis_tree()
101
 
        assert basis_tree.get_revision_id() == basis_revid
102
 
        for path, entry in basis_tree.iter_entries_by_dir():
103
 
            if entry.kind not in ("file", "symlink"):
104
 
                continue
105
 
            if not path in self._blobs:
106
 
                blob = Blob()
107
 
                if entry.kind == "symlink":
108
 
                    blob.data = basis_tree.get_symlink_target(entry.file_id)
109
 
                else:
110
 
                    blob.data = basis_tree.get_file_text(entry.file_id)
111
 
                self._blobs[path.encode("utf-8")] = (entry_mode(entry), blob.id)
 
143
        for entry in basis_tree._iter_tree_contents(include_trees=False):
 
144
            if entry.path in self._blobs:
 
145
                continue
 
146
            if entry.path in self._deleted_paths:
 
147
                continue
 
148
            self._blobs[entry.path] = (entry.mode, entry.sha)
 
149
        self.new_inventory = None
 
150
 
 
151
    def update_basis(self, tree):
 
152
        # Nothing to do here
 
153
        pass
112
154
 
113
155
    def finish_inventory(self):
114
156
        # eliminate blobs that were removed
115
 
        for path, entry in iter(self._blobs.items()):
116
 
            if entry is None:
117
 
                del self._blobs[path]
 
157
        self._blobs = {k: v for (k, v) in self._blobs.items()}
118
158
 
119
159
    def _iterblobs(self):
120
 
        return ((path, sha, mode) for (path, (mode, sha)) in self._blobs.iteritems())
 
160
        return ((path, sha, mode) for (path, (mode, sha))
 
161
                in self._blobs.items())
121
162
 
122
163
    def commit(self, message):
 
164
        self._validate_unicode_text(message, 'commit message')
123
165
        c = Commit()
124
 
        c.parents = [self.repository.lookup_bzr_revision_id(revid)[0] for revid in self.parents]
 
166
        c.parents = [self.repository.lookup_bzr_revision_id(
 
167
            revid)[0] for revid in self.parents]
125
168
        c.tree = commit_tree(self.store, self._iterblobs())
126
 
        c.committer = self._committer
127
 
        c.author = self._revprops.get('author', self._committer)
 
169
        encoding = self._revprops.pop(u'git-explicit-encoding', 'utf-8')
 
170
        c.encoding = encoding.encode('ascii')
 
171
        c.committer = fix_person_identifier(self._committer.encode(encoding))
 
172
        try:
 
173
            author = self._revprops.pop('author')
 
174
        except KeyError:
 
175
            try:
 
176
                authors = self._revprops.pop('authors').splitlines()
 
177
            except KeyError:
 
178
                author = self._committer
 
179
            else:
 
180
                if len(authors) > 1:
 
181
                    raise Exception("Unable to convert multiple authors")
 
182
                elif len(authors) == 0:
 
183
                    author = self._committer
 
184
                else:
 
185
                    author = authors[0]
 
186
        c.author = fix_person_identifier(author.encode(encoding))
 
187
        bugstext = self._revprops.pop('bugs', None)
 
188
        if bugstext is not None:
 
189
            message += "\n"
 
190
            for url, status in bugtracker.decode_bug_urls(bugstext):
 
191
                if status == bugtracker.FIXED:
 
192
                    message += "Fixes: %s\n" % url
 
193
                elif status == bugtracker.RELATED:
 
194
                    message += "Bug: %s\n" % url
 
195
                else:
 
196
                    raise bugtracker.InvalidBugStatus(status)
 
197
        if self._revprops:
 
198
            raise NotImplementedError(self._revprops)
128
199
        c.commit_time = int(self._timestamp)
129
200
        c.author_time = int(self._timestamp)
130
201
        c.commit_timezone = self._timezone
131
202
        c.author_timezone = self._timezone
132
 
        c.encoding = 'utf-8'
133
 
        c.message = message.encode("utf-8")
 
203
        c.message = message.encode(encoding)
 
204
        if (self._config_stack.get('create_signatures') ==
 
205
                _mod_config.SIGN_ALWAYS):
 
206
            strategy = gpg.GPGStrategy(self._config_stack)
 
207
            c.gpgsig = strategy.sign(c.as_raw_string(), gpg.MODE_DETACH)
134
208
        self.store.add_object(c)
135
 
        self._new_revision_id = self.repository.get_mapping().revision_id_foreign_to_bzr(c.id)
136
209
        self.repository.commit_write_group()
 
210
        self._new_revision_id = self._mapping.revision_id_foreign_to_bzr(c.id)
137
211
        return self._new_revision_id
 
212
 
 
213
    def abort(self):
 
214
        if self.repository.is_in_write_group():
 
215
            self.repository.abort_write_group()
 
216
 
 
217
    def revision_tree(self):
 
218
        return self.repository.revision_tree(self._new_revision_id)
 
219
 
 
220
    def get_basis_delta(self):
 
221
        return self._inv_delta
 
222
 
 
223
    def update_basis_by_delta(self, revid, delta):
 
224
        pass