← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/reconfigure.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-08-16 00:09:54 UTC
  • mfrom: (3629.1.4 uncommit_ids)
  • Revision ID: pqm@pqm.ubuntu.com-20080816000954-t0401ff8s3ydnkr6
(jam) bzr uncommit now gives the revision id to restore the branch to
        the old tip.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/reconfigure.py
1
 
# Copyright (C) 2007-2010 Canonical Ltd
 
1
# Copyright (C) 2007 Canonical Ltd
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
"""Reconfigure a bzrdir into a new tree/branch/repository layout.
18
 
 
19
 
Various types of reconfiguration operation are available either by
20
 
constructing a class or using a factory method on Reconfigure.
21
 
"""
22
 
 
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Reconfigure a bzrdir into a new tree/branch/repository layout"""
23
18
 
24
19
from bzrlib import (
25
20
    branch,
26
21
    bzrdir,
27
22
    errors,
28
 
    trace,
29
 
    ui,
30
 
    urlutils,
31
23
    )
32
24
 
33
 
 
34
 
# TODO: common base class for all reconfigure operations, making no
35
 
# assumptions about what kind of change will be done.
36
 
 
37
 
 
38
 
class ReconfigureStackedOn(object):
39
 
    """Reconfigures a branch to be stacked on another branch."""
40
 
 
41
 
    def apply(self, bzrdir, stacked_on_url):
42
 
        branch = bzrdir.open_branch()
43
 
        # it may be a path relative to the cwd or a url; the branch wants
44
 
        # a path relative to itself...
45
 
        on_url = urlutils.relative_url(branch.base,
46
 
            urlutils.normalize_url(stacked_on_url))
47
 
        branch.lock_write()
48
 
        try:
49
 
            branch.set_stacked_on_url(on_url)
50
 
            if not trace.is_quiet():
51
 
                ui.ui_factory.note(
52
 
                    "%s is now stacked on %s\n"
53
 
                    % (branch.base, branch.get_stacked_on_url()))
54
 
        finally:
55
 
            branch.unlock()
56
 
 
57
 
 
58
 
class ReconfigureUnstacked(object):
59
 
 
60
 
    def apply(self, bzrdir):
61
 
        branch = bzrdir.open_branch()
62
 
        branch.lock_write()
63
 
        try:
64
 
            branch.set_stacked_on_url(None)
65
 
            if not trace.is_quiet():
66
 
                ui.ui_factory.note(
67
 
                    "%s is now not stacked\n"
68
 
                    % (branch.base,))
69
 
        finally:
70
 
            branch.unlock()
71
 
 
72
 
 
73
25
class Reconfigure(object):
74
26
 
75
27
    def __init__(self, bzrdir, new_bound_location=None):
76
28
        self.bzrdir = bzrdir
77
29
        self.new_bound_location = new_bound_location
78
 
        self.local_repository = None
79
30
        try:
80
31
            self.repository = self.bzrdir.find_repository()
81
32
        except errors.NoRepositoryPresent:
82
33
            self.repository = None
83
 
            self.local_repository = None
84
34
        else:
85
 
            if (self.repository.user_url == self.bzrdir.user_url):
 
35
            if (self.repository.bzrdir.root_transport.base ==
 
36
                self.bzrdir.root_transport.base):
86
37
                self.local_repository = self.repository
87
38
            else:
88
39
                self.local_repository = None
89
40
        try:
90
41
            branch = self.bzrdir.open_branch()
91
 
            if branch.user_url == bzrdir.user_url:
 
42
            if branch.bzrdir.root_transport.base == bzrdir.root_transport.base:
92
43
                self.local_branch = branch
93
44
                self.referenced_branch = None
94
45
            else:
111
62
        self._create_tree = False
112
63
        self._create_repository = False
113
64
        self._destroy_repository = False
114
 
        self._repository_trees = None
115
65
 
116
66
    @staticmethod
117
67
    def to_branch(bzrdir):
190
140
            raise errors.AlreadyStandalone(bzrdir)
191
141
        return reconfiguration
192
142
 
193
 
    @classmethod
194
 
    def set_repository_trees(klass, bzrdir, with_trees):
195
 
        """Adjust a repository's working tree presence default"""
196
 
        reconfiguration = klass(bzrdir)
197
 
        if not reconfiguration.repository.is_shared():
198
 
            raise errors.ReconfigurationNotSupported(reconfiguration.bzrdir)
199
 
        if with_trees and reconfiguration.repository.make_working_trees():
200
 
            raise errors.AlreadyWithTrees(bzrdir)
201
 
        elif (not with_trees
202
 
              and not reconfiguration.repository.make_working_trees()):
203
 
            raise errors.AlreadyWithNoTrees(bzrdir)
204
 
        else:
205
 
            reconfiguration._repository_trees = with_trees
206
 
        return reconfiguration
207
 
 
208
143
    def _plan_changes(self, want_tree, want_branch, want_bound,
209
144
                      want_reference):
210
145
        """Determine which changes are needed to assume the configuration"""
216
151
            if not want_reference:
217
152
                self._create_repository = True
218
153
        else:
219
 
            if want_reference and (
220
 
                self.repository.user_url == self.bzrdir.user_url):
 
154
            if want_reference and (self.repository.bzrdir.root_transport.base
 
155
                                   == self.bzrdir.root_transport.base):
221
156
                if not self.repository.is_shared():
222
157
                    self._destroy_repository = True
223
158
        if self.referenced_branch is None:
264
199
 
265
200
    def _check(self):
266
201
        """Raise if reconfiguration would destroy local changes"""
267
 
        if self._destroy_tree and self.tree.has_changes():
 
202
        if self._destroy_tree:
 
203
            changes = self.tree.changes_from(self.tree.basis_tree())
 
204
            if changes.has_changed():
268
205
                raise errors.UncommittedChanges(self.tree)
269
206
        if self._create_reference and self.local_branch is not None:
270
207
            reference_branch = branch.Branch.open(self._select_bind_location())
315
252
        if not force:
316
253
            self._check()
317
254
        if self._create_repository:
318
 
            if self.local_branch and not self._destroy_branch:
319
 
                old_repo = self.local_branch.repository
320
 
            elif self._create_branch and self.referenced_branch is not None:
321
 
                old_repo = self.referenced_branch.repository
322
 
            else:
323
 
                old_repo = None
324
 
            if old_repo is not None:
325
 
                repository_format = old_repo._format
326
 
            else:
327
 
                repository_format = None
328
 
            if repository_format is not None:
329
 
                repo = repository_format.initialize(self.bzrdir)
330
 
            else:
331
 
                repo = self.bzrdir.create_repository()
 
255
            repo = self.bzrdir.create_repository()
332
256
            if self.local_branch and not self._destroy_branch:
333
257
                repo.fetch(self.local_branch.repository,
334
258
                           self.local_branch.last_revision())
343
267
            if self._create_reference:
344
268
                reference_branch.repository.fetch(self.repository)
345
269
            elif self.local_branch is not None and not self._destroy_branch:
346
 
                up = self.local_branch.user_transport.clone('..')
 
270
                up = self.local_branch.bzrdir.root_transport.clone('..')
347
271
                up_bzrdir = bzrdir.BzrDir.open_containing_from_transport(up)[0]
348
272
                new_repo = up_bzrdir.find_repository()
349
273
                new_repo.fetch(self.repository)
362
286
                local_branch.set_last_revision_info(*last_revision_info)
363
287
            if self._destroy_reference:
364
288
                self.referenced_branch.tags.merge_to(local_branch.tags)
365
 
                self.referenced_branch.update_references(local_branch)
366
289
        else:
367
290
            local_branch = self.local_branch
368
291
        if self._create_reference:
369
292
            format = branch.BranchReferenceFormat().initialize(self.bzrdir,
370
 
                target_branch=reference_branch)
 
293
                reference_branch)
371
294
        if self._destroy_tree:
372
295
            self.bzrdir.destroy_workingtree()
373
296
        if self._create_tree:
379
302
            local_branch.bind(branch.Branch.open(bind_location))
380
303
        if self._destroy_repository:
381
304
            self.bzrdir.destroy_repository()
382
 
        if self._repository_trees is not None:
383
 
            repo.set_make_working_trees(self._repository_trees)