/brz/remove-bazaar

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Fix branch cloning.

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repository.py
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# Copyright (C) 2007 Canonical Ltd
2
 
# Copyright (C) 2008-2009 Jelmer Vernooij <jelmer@samba.org>
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2
#
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3
# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
17
16
 
18
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"""An adapter between a Git Repository and a Bazaar Branch"""
19
18
 
 
19
import os
 
20
import time
 
21
 
20
22
import bzrlib
21
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from bzrlib import (
 
24
    deprecated_graph,
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    errors,
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    graph,
24
27
    inventory,
26
29
    repository,
27
30
    revision,
28
31
    revisiontree,
29
 
    ui,
30
32
    urlutils,
 
33
    versionedfile,
31
34
    )
32
35
from bzrlib.foreign import (
33
 
    ForeignRepository,
34
 
    )
35
 
from bzrlib.trace import (
36
 
    mutter,
37
 
    )
38
 
from bzrlib.transport import (
39
 
    get_transport,
40
 
    )
 
36
        ForeignRepository,
 
37
        )
 
38
from bzrlib.trace import mutter
 
39
from bzrlib.transport import get_transport
41
40
 
42
 
from bzrlib.plugins.git.commit import (
43
 
    GitCommitBuilder,
44
 
    )
45
41
from bzrlib.plugins.git.foreign import (
46
42
    versionedfiles,
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43
    )
48
 
from bzrlib.plugins.git.inventory import (
49
 
    GitInventory,
50
 
    )
51
 
from bzrlib.plugins.git.mapping import (
52
 
    default_mapping,
53
 
    mapping_registry,
54
 
    )
55
 
from bzrlib.plugins.git.versionedfiles import (
56
 
    GitTexts,
57
 
    )
 
44
from bzrlib.plugins.git.mapping import default_mapping
58
45
 
59
 
import dulwich as git
60
 
import os
61
 
import time
 
46
from bzrlib.plugins.git import git
62
47
 
63
48
 
64
49
class GitTags(object):
74
59
    """An adapter to git repositories for bzr."""
75
60
 
76
61
    _serializer = None
77
 
    _commit_builder_class = GitCommitBuilder
78
62
 
79
63
    def __init__(self, gitdir, lockfiles):
80
 
        ForeignRepository.__init__(self, GitRepositoryFormat(), gitdir, 
81
 
            lockfiles)
82
 
        from bzrlib.plugins.git import fetch, push
83
 
        for optimiser in [fetch.InterRemoteGitNonGitRepository, 
84
 
                          fetch.InterLocalGitNonGitRepository,
85
 
                          fetch.InterGitRepository,
86
 
                          push.InterToGitRepository]:
87
 
            repository.InterRepository.register_optimiser(optimiser)
 
64
        ForeignRepository.__init__(self, GitFormat(), gitdir, lockfiles)
 
65
        from bzrlib.plugins.git import fetch
 
66
        repository.InterRepository.register_optimiser(fetch.InterGitRepository)
88
67
 
89
68
    def is_shared(self):
90
69
        return True
104
83
 
105
84
 
106
85
class LocalGitRepository(GitRepository):
107
 
    """Git repository on the file system."""
108
86
 
109
87
    def __init__(self, gitdir, lockfiles):
110
88
        # FIXME: This also caches negatives. Need to be more careful 
116
94
        self.texts = None
117
95
        self.signatures = versionedfiles.VirtualSignatureTexts(self)
118
96
        self.revisions = versionedfiles.VirtualRevisionTexts(self)
119
 
        self.inventories = versionedfiles.VirtualInventoryTexts(self)
120
 
        self.texts = GitTexts(self)
121
97
        self.tags = GitTags(self._git.get_tags())
122
98
 
123
99
    def all_revision_ids(self):
124
100
        ret = set([revision.NULL_REVISION])
125
 
        heads = self._git.heads()
126
 
        if heads == {}:
 
101
        if self._git.heads() == []:
127
102
            return ret
128
 
        bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in heads.itervalues()]
 
103
        bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in self._git.heads()]
129
104
        ret = set(bzr_heads)
130
105
        graph = self.get_graph()
131
106
        for rev, parents in graph.iter_ancestry(bzr_heads):
149
124
            if revision_id == revision.NULL_REVISION:
150
125
                parent_map[revision_id] = ()
151
126
                continue
152
 
            hexsha, mapping = self.lookup_git_revid(revision_id)
 
127
            hexsha = self.lookup_git_revid(revision_id, self.get_mapping())
153
128
            commit  = self._git.commit(hexsha)
154
129
            if commit is None:
155
130
                continue
156
131
            else:
157
 
                parent_map[revision_id] = [mapping.revision_id_foreign_to_bzr(p) for p in commit.parents]
 
132
                parent_map[revision_id] = [self.get_mapping().revision_id_foreign_to_bzr(p) for p in commit.parents]
158
133
        return parent_map
159
134
 
160
135
    def get_ancestry(self, revision_id, topo_sorted=True):
161
136
        """See Repository.get_ancestry().
162
137
        """
163
138
        if revision_id is None:
164
 
            return [None, revision.NULL_REVISION] + self._all_revision_ids()
 
139
            return self._all_revision_ids()
165
140
        assert isinstance(revision_id, str)
166
141
        ancestry = []
167
142
        graph = self.get_graph()
168
143
        for rev, parents in graph.iter_ancestry([revision_id]):
 
144
            if rev == revision.NULL_REVISION:
 
145
                rev = None
169
146
            ancestry.append(rev)
170
147
        ancestry.reverse()
171
 
        return [None] + ancestry
172
 
 
173
 
    def dfetch(self, source, stop_revision):
174
 
        interrepo = repository.InterRepository.get(source, self)
175
 
        return interrepo.dfetch(stop_revision)
 
148
        return ancestry
176
149
 
177
150
    def get_signature_text(self, revision_id):
178
151
        raise errors.NoSuchRevision(self, revision_id)
189
162
    def has_signature_for_revision_id(self, revision_id):
190
163
        return False
191
164
 
192
 
    def lookup_git_revid(self, bzr_revid):
 
165
    def lookup_git_revid(self, bzr_revid, mapping):
193
166
        try:
194
 
            return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
 
167
            return mapping.revision_id_bzr_to_foreign(bzr_revid)
195
168
        except errors.InvalidRevisionId:
196
169
            raise errors.NoSuchRevision(self, bzr_revid)
197
170
 
198
171
    def get_revision(self, revision_id):
199
 
        git_commit_id, mapping = self.lookup_git_revid(revision_id)
 
172
        git_commit_id = self.lookup_git_revid(revision_id, self.get_mapping())
200
173
        try:
201
174
            commit = self._git.commit(git_commit_id)
202
175
        except KeyError:
203
176
            raise errors.NoSuchRevision(self, revision_id)
204
177
        # print "fetched revision:", git_commit_id
205
 
        revision = mapping.import_commit(commit)
 
178
        revision = self.get_mapping().import_commit(commit)
206
179
        assert revision is not None
207
180
        return revision
208
181
 
223
196
 
224
197
    def revision_tree(self, revision_id):
225
198
        revision_id = revision.ensure_null(revision_id)
 
199
 
226
200
        if revision_id == revision.NULL_REVISION:
227
201
            inv = inventory.Inventory(root_id=None)
228
202
            inv.revision_id = revision_id
229
203
            return revisiontree.RevisionTree(self, inv, revision_id)
230
 
        return GitRevisionTree(self, revision_id)
 
204
 
 
205
        return GitRevisionTree(self, self.get_mapping(), revision_id)
231
206
 
232
207
    def get_inventory(self, revision_id):
233
208
        assert revision_id != None
236
211
    def set_make_working_trees(self, trees):
237
212
        pass
238
213
 
239
 
    def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref,
240
 
        progress=None):
 
214
    def fetch_objects(self, determine_wants, graph_walker, progress=None):
241
215
        return self._git.fetch_objects(determine_wants, graph_walker, progress)
242
216
 
243
217
 
244
218
class GitRevisionTree(revisiontree.RevisionTree):
245
219
 
246
 
    def __init__(self, repository, revision_id):
 
220
    def __init__(self, repository, mapping, revision_id):
247
221
        self._repository = repository
248
 
        self._revision_id = revision_id
 
222
        self.revision_id = revision_id
249
223
        assert isinstance(revision_id, str)
250
 
        git_id, self.mapping = repository.lookup_git_revid(revision_id)
 
224
        self.mapping = mapping
 
225
        git_id = repository.lookup_git_revid(revision_id, self.mapping)
251
226
        try:
252
227
            commit = repository._git.commit(git_id)
253
228
        except KeyError, r:
254
229
            raise errors.NoSuchRevision(repository, revision_id)
255
230
        self.tree = commit.tree
256
 
        self._inventory = GitInventory(self.tree, self.mapping, repository._git.object_store, revision_id)
 
231
        self._inventory = inventory.Inventory(revision_id=revision_id)
 
232
        self._inventory.root.revision = revision_id
 
233
        self._build_inventory(self.tree, self._inventory.root, "")
257
234
 
258
235
    def get_revision_id(self):
259
 
        return self._revision_id
 
236
        return self.revision_id
260
237
 
261
238
    def get_file_text(self, file_id):
262
239
        entry = self._inventory[file_id]
263
240
        if entry.kind == 'directory': return ""
264
 
        return entry.object.data
265
 
 
266
 
class GitRepositoryFormat(repository.RepositoryFormat):
 
241
        return self._repository._git.get_blob(entry.text_id).data
 
242
 
 
243
    def _build_inventory(self, tree_id, ie, path):
 
244
        assert isinstance(path, str)
 
245
        tree = self._repository._git.tree(tree_id)
 
246
        for mode, name, hexsha in tree.entries():
 
247
            basename = name.decode("utf-8")
 
248
            if path == "":
 
249
                child_path = name
 
250
            else:
 
251
                child_path = urlutils.join(path, name)
 
252
            file_id = self.mapping.generate_file_id(child_path)
 
253
            entry_kind = (mode & 0700000) / 0100000
 
254
            if entry_kind == 0:
 
255
                child_ie = inventory.InventoryDirectory(file_id, basename, ie.file_id)
 
256
            elif entry_kind == 1:
 
257
                file_kind = (mode & 070000) / 010000
 
258
                b = self._repository._git.get_blob(hexsha)
 
259
                if file_kind == 0:
 
260
                    child_ie = inventory.InventoryFile(file_id, basename, ie.file_id)
 
261
                    child_ie.text_sha1 = osutils.sha_string(b.data)
 
262
                elif file_kind == 2:
 
263
                    child_ie = inventory.InventoryLink(file_id, basename, ie.file_id)
 
264
                    child_ie.text_sha1 = osutils.sha_string("")
 
265
                else:
 
266
                    raise AssertionError(
 
267
                        "Unknown file kind, perms=%o." % (mode,))
 
268
                child_ie.text_id = b.id
 
269
                child_ie.text_size = len(b.data)
 
270
            else:
 
271
                raise AssertionError(
 
272
                    "Unknown blob kind, perms=%r." % (mode,))
 
273
            fs_mode = mode & 0777
 
274
            child_ie.executable = bool(fs_mode & 0111)
 
275
            child_ie.revision = self.revision_id
 
276
            self._inventory.add(child_ie)
 
277
            if entry_kind == 0:
 
278
                self._build_inventory(hexsha, child_ie, child_path)
 
279
 
 
280
 
 
281
class GitFormat(object):
267
282
 
268
283
    supports_tree_reference = False
269
284
    rich_root_data = True