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https://launchpad.net/bugs/354818
Fix default port for git+ssh://

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repository.py
1
1
# Copyright (C) 2007 Canonical Ltd
 
2
# Copyright (C) 2008-2009 Jelmer Vernooij <jelmer@samba.org>
2
3
#
3
4
# This program is free software; you can redistribute it and/or modify
4
5
# it under the terms of the GNU General Public License as published by
16
17
 
17
18
"""An adapter between a Git Repository and a Bazaar Branch"""
18
19
 
19
 
import os
20
 
import time
21
 
 
22
20
import bzrlib
23
21
from bzrlib import (
24
 
    deprecated_graph,
25
22
    errors,
26
23
    graph,
27
24
    inventory,
29
26
    repository,
30
27
    revision,
31
28
    revisiontree,
 
29
    ui,
32
30
    urlutils,
33
 
    versionedfile,
34
31
    )
35
32
from bzrlib.foreign import (
36
 
        ForeignRepository,
37
 
        )
38
 
from bzrlib.trace import mutter
39
 
from bzrlib.transport import get_transport
 
33
    ForeignRepository,
 
34
    )
 
35
from bzrlib.trace import (
 
36
    mutter,
 
37
    )
 
38
from bzrlib.transport import (
 
39
    get_transport,
 
40
    )
40
41
 
41
42
from bzrlib.plugins.git.foreign import (
42
43
    versionedfiles,
43
44
    )
44
 
from bzrlib.plugins.git.mapping import default_mapping
 
45
from bzrlib.plugins.git.inventory import (
 
46
    GitInventory,
 
47
    )
 
48
from bzrlib.plugins.git.mapping import (
 
49
    default_mapping,
 
50
    inventory_to_tree_and_blobs,
 
51
    mapping_registry,
 
52
    revision_to_commit,
 
53
    )
 
54
from bzrlib.plugins.git.versionedfiles import (
 
55
    GitTexts,
 
56
    )
45
57
 
46
 
from bzrlib.plugins.git import git
 
58
import dulwich as git
 
59
import os
 
60
import time
47
61
 
48
62
 
49
63
class GitTags(object):
61
75
    _serializer = None
62
76
 
63
77
    def __init__(self, gitdir, lockfiles):
64
 
        ForeignRepository.__init__(self, GitFormat(), gitdir, lockfiles)
65
 
        from bzrlib.plugins.git import fetch
66
 
        repository.InterRepository.register_optimiser(fetch.InterGitRepository)
 
78
        ForeignRepository.__init__(self, GitRepositoryFormat(), gitdir, 
 
79
            lockfiles)
 
80
        from bzrlib.plugins.git import fetch, push
 
81
        for optimiser in [fetch.InterRemoteGitNonGitRepository, 
 
82
                          fetch.InterLocalGitNonGitRepository,
 
83
                          fetch.InterGitRepository,
 
84
                          push.InterToGitRepository]:
 
85
            repository.InterRepository.register_optimiser(optimiser)
67
86
 
68
87
    def is_shared(self):
69
88
        return True
83
102
 
84
103
 
85
104
class LocalGitRepository(GitRepository):
 
105
    """Git repository on the file system."""
86
106
 
87
107
    def __init__(self, gitdir, lockfiles):
88
108
        # FIXME: This also caches negatives. Need to be more careful 
94
114
        self.texts = None
95
115
        self.signatures = versionedfiles.VirtualSignatureTexts(self)
96
116
        self.revisions = versionedfiles.VirtualRevisionTexts(self)
 
117
        self.inventories = versionedfiles.VirtualInventoryTexts(self)
 
118
        self.texts = GitTexts(self)
97
119
        self.tags = GitTags(self._git.get_tags())
98
120
 
99
121
    def all_revision_ids(self):
100
122
        ret = set([revision.NULL_REVISION])
101
 
        if self._git.heads() == []:
 
123
        heads = self._git.heads()
 
124
        if heads == {}:
102
125
            return ret
103
 
        bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in self._git.heads()]
 
126
        bzr_heads = [self.get_mapping().revision_id_foreign_to_bzr(h) for h in heads.itervalues()]
104
127
        ret = set(bzr_heads)
105
128
        graph = self.get_graph()
106
129
        for rev, parents in graph.iter_ancestry(bzr_heads):
124
147
            if revision_id == revision.NULL_REVISION:
125
148
                parent_map[revision_id] = ()
126
149
                continue
127
 
            hexsha = self.lookup_git_revid(revision_id, self.get_mapping())
 
150
            hexsha, mapping = self.lookup_git_revid(revision_id)
128
151
            commit  = self._git.commit(hexsha)
129
152
            if commit is None:
130
153
                continue
131
154
            else:
132
 
                parent_map[revision_id] = [self.get_mapping().revision_id_foreign_to_bzr(p) for p in commit.parents]
 
155
                parent_map[revision_id] = [mapping.revision_id_foreign_to_bzr(p) for p in commit.parents]
133
156
        return parent_map
134
157
 
135
158
    def get_ancestry(self, revision_id, topo_sorted=True):
136
159
        """See Repository.get_ancestry().
137
160
        """
138
161
        if revision_id is None:
139
 
            return self._all_revision_ids()
 
162
            return [None, revision.NULL_REVISION] + self._all_revision_ids()
140
163
        assert isinstance(revision_id, str)
141
164
        ancestry = []
142
165
        graph = self.get_graph()
143
166
        for rev, parents in graph.iter_ancestry([revision_id]):
144
 
            if rev == revision.NULL_REVISION:
145
 
                rev = None
146
167
            ancestry.append(rev)
147
168
        ancestry.reverse()
148
 
        return ancestry
 
169
        return [None] + ancestry
 
170
 
 
171
    def import_revision_gist(self, source, revid, parent_lookup):
 
172
        """Import the gist of a revision into this Git repository.
 
173
 
 
174
        """
 
175
        objects = []
 
176
        rev = source.get_revision(revid)
 
177
        for sha, object, path in inventory_to_tree_and_blobs(source, None, revid):
 
178
            if path == "":
 
179
                tree_sha = sha
 
180
            objects.append((object, path))
 
181
        commit = revision_to_commit(rev, tree_sha, parent_lookup)
 
182
        objects.append((commit, None))
 
183
        self._git.object_store.add_objects(objects)
 
184
        return commit.sha().hexdigest()
 
185
 
 
186
    def dfetch(self, source, stop_revision):
 
187
        """Import the gist of the ancestry of a particular revision."""
 
188
        if stop_revision is None:
 
189
            raise NotImplementedError
 
190
        revidmap = {}
 
191
        gitidmap = {}
 
192
        def parent_lookup(revid):
 
193
            try:
 
194
                return gitidmap[revid]
 
195
            except KeyError:
 
196
                return self.lookup_git_revid(revid)[0]
 
197
        todo = []
 
198
        source.lock_write()
 
199
        try:
 
200
            graph = source.get_graph()
 
201
            ancestry = [x for x in source.get_ancestry(stop_revision) if x is not None]
 
202
            for revid in graph.iter_topo_order(ancestry):
 
203
                if not self.has_revision(revid):
 
204
                    todo.append(revid)
 
205
            pb = ui.ui_factory.nested_progress_bar()
 
206
            try:
 
207
                for i, revid in enumerate(todo):
 
208
                    pb.update("pushing revisions", i, len(todo))
 
209
                    git_commit = self.import_revision_gist(source, revid,
 
210
                        parent_lookup)
 
211
                    gitidmap[revid] = git_commit
 
212
                    git_revid = self.get_mapping().revision_id_foreign_to_bzr(
 
213
                        git_commit)
 
214
                    revidmap[revid] = git_revid
 
215
            finally:
 
216
                pb.finished()
 
217
            if revidmap != {}:
 
218
                source.fetch(self, revision_id=revidmap[stop_revision])
 
219
        finally:
 
220
            source.unlock()
 
221
        return revidmap
149
222
 
150
223
    def get_signature_text(self, revision_id):
151
224
        raise errors.NoSuchRevision(self, revision_id)
162
235
    def has_signature_for_revision_id(self, revision_id):
163
236
        return False
164
237
 
165
 
    def lookup_git_revid(self, bzr_revid, mapping):
 
238
    def lookup_git_revid(self, bzr_revid):
166
239
        try:
167
 
            return mapping.revision_id_bzr_to_foreign(bzr_revid)
 
240
            return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
168
241
        except errors.InvalidRevisionId:
169
242
            raise errors.NoSuchRevision(self, bzr_revid)
170
243
 
171
244
    def get_revision(self, revision_id):
172
 
        git_commit_id = self.lookup_git_revid(revision_id, self.get_mapping())
 
245
        git_commit_id, mapping = self.lookup_git_revid(revision_id)
173
246
        try:
174
247
            commit = self._git.commit(git_commit_id)
175
248
        except KeyError:
176
249
            raise errors.NoSuchRevision(self, revision_id)
177
250
        # print "fetched revision:", git_commit_id
178
 
        revision = self.get_mapping().import_commit(commit)
 
251
        revision = mapping.import_commit(commit)
179
252
        assert revision is not None
180
253
        return revision
181
254
 
196
269
 
197
270
    def revision_tree(self, revision_id):
198
271
        revision_id = revision.ensure_null(revision_id)
199
 
 
200
272
        if revision_id == revision.NULL_REVISION:
201
273
            inv = inventory.Inventory(root_id=None)
202
274
            inv.revision_id = revision_id
203
275
            return revisiontree.RevisionTree(self, inv, revision_id)
204
 
 
205
 
        return GitRevisionTree(self, self.get_mapping(), revision_id)
 
276
        return GitRevisionTree(self, revision_id)
206
277
 
207
278
    def get_inventory(self, revision_id):
208
279
        assert revision_id != None
211
282
    def set_make_working_trees(self, trees):
212
283
        pass
213
284
 
214
 
    def fetch_objects(self, determine_wants, graph_walker, progress=None):
 
285
    def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref,
 
286
        progress=None):
215
287
        return self._git.fetch_objects(determine_wants, graph_walker, progress)
216
288
 
217
289
 
218
290
class GitRevisionTree(revisiontree.RevisionTree):
219
291
 
220
 
    def __init__(self, repository, mapping, revision_id):
 
292
    def __init__(self, repository, revision_id):
221
293
        self._repository = repository
222
 
        self.revision_id = revision_id
 
294
        self._revision_id = revision_id
223
295
        assert isinstance(revision_id, str)
224
 
        self.mapping = mapping
225
 
        git_id = repository.lookup_git_revid(revision_id, self.mapping)
 
296
        git_id, self.mapping = repository.lookup_git_revid(revision_id)
226
297
        try:
227
298
            commit = repository._git.commit(git_id)
228
299
        except KeyError, r:
229
300
            raise errors.NoSuchRevision(repository, revision_id)
230
301
        self.tree = commit.tree
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, "")
 
302
        self._inventory = GitInventory(self.tree, self.mapping, repository._git.object_store, revision_id)
234
303
 
235
304
    def get_revision_id(self):
236
 
        return self.revision_id
 
305
        return self._revision_id
237
306
 
238
307
    def get_file_text(self, file_id):
239
308
        entry = self._inventory[file_id]
240
309
        if entry.kind == 'directory': return ""
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):
 
310
        return entry.object.data
 
311
 
 
312
class GitRepositoryFormat(repository.RepositoryFormat):
282
313
 
283
314
    supports_tree_reference = False
284
315
    rich_root_data = True