~bzr-pqm/bzr/bzr.dev

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
# Copyright (C) 2006-2010 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA


"""Tests for the update command of bzr."""

import os
import re

from bzrlib import (
    branch,
    bzrdir,
    osutils,
    tests,
    urlutils,
    workingtree,
    )
from bzrlib.tests.script import ScriptRunner


class TestUpdate(tests.TestCaseWithTransport):

    def test_update_standalone_trivial(self):
        self.make_branch_and_tree('.')
        out, err = self.run_bzr('update')
        self.assertEqual(
            'Tree is up to date at revision 0 of branch %s\n' % self.test_dir,
            err)
        self.assertEqual('', out)

    def test_update_quiet(self):
        self.make_branch_and_tree('.')
        out, err = self.run_bzr('update --quiet')
        self.assertEqual('', err)
        self.assertEqual('', out)

    def test_update_standalone_trivial_with_alias_up(self):
        self.make_branch_and_tree('.')
        out, err = self.run_bzr('up')
        self.assertEqual('Tree is up to date at revision 0 of branch %s\n'
                         % self.test_dir,
                         err)
        self.assertEqual('', out)

    def test_update_up_to_date_light_checkout(self):
        self.make_branch_and_tree('branch')
        self.run_bzr('checkout --lightweight branch checkout')
        out, err = self.run_bzr('update checkout')
        self.assertEqual('Tree is up to date at revision 0 of branch %s\n'
                         % osutils.pathjoin(self.test_dir, 'branch'),
                         err)
        self.assertEqual('', out)

    def test_update_up_to_date_checkout(self):
        self.make_branch_and_tree('branch')
        self.run_bzr('checkout branch checkout')
        sr = ScriptRunner()
        sr.run_script(self, '''
$ bzr update checkout
2>Tree is up to date at revision 0 of branch .../branch
''')

    def test_update_out_of_date_standalone_tree(self):
        # FIXME the default format has to change for this to pass
        # because it currently uses the branch last-revision marker.
        self.make_branch_and_tree('branch')
        # make a checkout
        self.run_bzr('checkout --lightweight branch checkout')
        self.build_tree(['checkout/file'])
        self.run_bzr('add checkout/file')
        self.run_bzr('commit -m add-file checkout')
        # now branch should be out of date
        out,err = self.run_bzr('update branch')
        self.assertEqual('', out)
        self.assertEqualDiff("""+N  file
All changes applied successfully.
Updated to revision 1 of branch %s
""" % osutils.pathjoin(self.test_dir, 'branch',),
                         err)
        self.assertPathExists('branch/file')

    def test_update_out_of_date_light_checkout(self):
        self.make_branch_and_tree('branch')
        # make two checkouts
        self.run_bzr('checkout --lightweight branch checkout')
        self.run_bzr('checkout --lightweight branch checkout2')
        self.build_tree(['checkout/file'])
        self.run_bzr('add checkout/file')
        self.run_bzr('commit -m add-file checkout')
        # now checkout2 should be out of date
        out,err = self.run_bzr('update checkout2')
        self.assertEqualDiff('''+N  file
All changes applied successfully.
Updated to revision 1 of branch %s
''' % osutils.pathjoin(self.test_dir, 'branch',),
                         err)
        self.assertEqual('', out)

    def test_update_conflicts_returns_2(self):
        self.make_branch_and_tree('branch')
        # make two checkouts
        self.run_bzr('checkout --lightweight branch checkout')
        self.build_tree(['checkout/file'])
        self.run_bzr('add checkout/file')
        self.run_bzr('commit -m add-file checkout')
        self.run_bzr('checkout --lightweight branch checkout2')
        # now alter file in checkout
        a_file = file('checkout/file', 'wt')
        a_file.write('Foo')
        a_file.close()
        self.run_bzr('commit -m checnge-file checkout')
        # now checkout2 should be out of date
        # make a local change to file
        a_file = file('checkout2/file', 'wt')
        a_file.write('Bar')
        a_file.close()
        out,err = self.run_bzr('update checkout2', retcode=1)
        self.assertEqualDiff(''' M  file
Text conflict in file
1 conflicts encountered.
Updated to revision 2 of branch %s
''' % osutils.pathjoin(self.test_dir, 'branch',),
                         err)
        self.assertEqual('', out)

    def test_smoke_update_checkout_bound_branch_local_commits(self):
        # smoke test for doing an update of a checkout of a bound
        # branch with local commits.
        master = self.make_branch_and_tree('master')
        master.commit('first commit')
        # make a bound branch
        self.run_bzr('checkout master child')
        # get an object form of child
        child = workingtree.WorkingTree.open('child')
        # check that out
        self.run_bzr('checkout --lightweight child checkout')
        # get an object form of the checkout to manipulate
        wt = workingtree.WorkingTree.open('checkout')
        # change master
        a_file = file('master/file', 'wt')
        a_file.write('Foo')
        a_file.close()
        master.add(['file'])
        master_tip = master.commit('add file')
        # change child
        a_file = file('child/file_b', 'wt')
        a_file.write('Foo')
        a_file.close()
        child.add(['file_b'])
        child_tip = child.commit('add file_b', local=True)
        # check checkout
        a_file = file('checkout/file_c', 'wt')
        a_file.write('Foo')
        a_file.close()
        wt.add(['file_c'])

        # now, update checkout ->
        # get all three files and a pending merge.
        out, err = self.run_bzr('update checkout')
        self.assertEqual('', out)
        self.assertEqualDiff("""+N  file_b
All changes applied successfully.
+N  file
All changes applied successfully.
Updated to revision 2 of branch %s
Your local commits will now show as pending merges with 'bzr status', and can be committed with 'bzr commit'.
""" % osutils.pathjoin(self.test_dir, 'master',),
                         err)
        self.assertEqual([master_tip, child_tip], wt.get_parent_ids())
        self.assertPathExists('checkout/file')
        self.assertPathExists('checkout/file_b')
        self.assertPathExists('checkout/file_c')
        self.assertTrue(wt.has_filename('file_c'))

    def test_update_with_merges(self):
        # Test that 'bzr update' works correctly when you have
        # an update in the master tree, and a lightweight checkout
        # which has merged another branch
        master = self.make_branch_and_tree('master')
        self.build_tree(['master/file'])
        master.add(['file'])
        master.commit('one', rev_id='m1')

        self.build_tree(['checkout1/'])
        checkout_dir = bzrdir.BzrDirMetaFormat1().initialize('checkout1')
        branch.BranchReferenceFormat().initialize(checkout_dir,
            target_branch=master.branch)
        checkout1 = checkout_dir.create_workingtree('m1')

        # Create a second branch, with an extra commit
        other = master.bzrdir.sprout('other').open_workingtree()
        self.build_tree(['other/file2'])
        other.add(['file2'])
        other.commit('other2', rev_id='o2')

        # Create a new commit in the master branch
        self.build_tree(['master/file3'])
        master.add(['file3'])
        master.commit('f3', rev_id='m2')

        # Merge the other branch into checkout
        os.chdir('checkout1')
        self.run_bzr('merge ../other')

        self.assertEqual(['o2'], checkout1.get_parent_ids()[1:])

        # At this point, 'commit' should fail, because we are out of date
        self.run_bzr_error(["please run 'bzr update'"],
                           'commit -m merged')

        # This should not report about local commits being pending
        # merges, because they were real merges
        out, err = self.run_bzr('update')
        self.assertEqual('', out)
        self.assertEqualDiff('''+N  file3
All changes applied successfully.
Updated to revision 2 of branch %s
''' % osutils.pathjoin(self.test_dir, 'master',),
                         err)
        # The pending merges should still be there
        self.assertEqual(['o2'], checkout1.get_parent_ids()[1:])

    def test_readonly_lightweight_update(self):
        """Update a light checkout of a readonly branch"""
        tree = self.make_branch_and_tree('branch')
        readonly_branch = branch.Branch.open(self.get_readonly_url('branch'))
        checkout = readonly_branch.create_checkout('checkout',
                                                   lightweight=True)
        tree.commit('empty commit')
        self.run_bzr('update checkout')

    def test_update_with_merge_merged_to_master(self):
        # Test that 'bzr update' works correctly when you have
        # an update in the master tree, and a [lightweight or otherwise]
        # checkout which has merge a revision merged to master already.
        master = self.make_branch_and_tree('master')
        self.build_tree(['master/file'])
        master.add(['file'])
        master.commit('one', rev_id='m1')

        self.build_tree(['checkout1/'])
        checkout_dir = bzrdir.BzrDirMetaFormat1().initialize('checkout1')
        branch.BranchReferenceFormat().initialize(checkout_dir,
            target_branch=master.branch)
        checkout1 = checkout_dir.create_workingtree('m1')

        # Create a second branch, with an extra commit
        other = master.bzrdir.sprout('other').open_workingtree()
        self.build_tree(['other/file2'])
        other.add(['file2'])
        other.commit('other2', rev_id='o2')

        # Merge the other branch into checkout -  'start reviewing a patch'
        checkout1.merge_from_branch(other.branch)
        self.assertEqual(['o2'], checkout1.get_parent_ids()[1:])

        # Create a new commit in the master branch - 'someone else lands its'
        master.merge_from_branch(other.branch)
        master.commit('f3', rev_id='m2')

        # This should not report about local commits being pending
        # merges, because they were real merges (but are now gone).
        # It should perhaps report on them.
        out, err = self.run_bzr('update', working_dir='checkout1')
        self.assertEqual('', out)
        self.assertEqualDiff('''All changes applied successfully.
Updated to revision 2 of branch %s
''' % osutils.pathjoin(self.test_dir, 'master',),
                         err)
        # The pending merges should still be there
        self.assertEqual([], checkout1.get_parent_ids()[1:])

    def test_update_dash_r(self):
        master = self.make_branch_and_tree('master')
        os.chdir('master')
        self.build_tree(['./file1'])
        master.add(['file1'])
        master.commit('one', rev_id='m1')
        self.build_tree(['./file2'])
        master.add(['file2'])
        master.commit('two', rev_id='m2')

        sr = ScriptRunner()
        sr.run_script(self, '''
$ bzr update -r 1
2>-D  file2
2>All changes applied successfully.
2>Updated to revision 1 of .../master
''')
        self.assertPathExists('./file1')
        self.assertPathDoesNotExist('./file2')
        self.assertEquals(['m1'], master.get_parent_ids())

    def test_update_dash_r_outside_history(self):
        """Ensure that we can update -r to dotted revisions.
        """
        master = self.make_branch_and_tree('master')
        self.build_tree(['master/file1'])
        master.add(['file1'])
        master.commit('one', rev_id='m1')

        # Create a second branch, with extra commits
        other = master.bzrdir.sprout('other').open_workingtree()
        self.build_tree(['other/file2', 'other/file3'])
        other.add(['file2'])
        other.commit('other2', rev_id='o2')
        other.add(['file3'])
        other.commit('other3', rev_id='o3')

        os.chdir('master')
        self.run_bzr('merge ../other')
        master.commit('merge', rev_id='merge')

        # Switch to o2. file3 was added only in o3 and should be deleted.
        out, err = self.run_bzr('update -r revid:o2')
        self.assertContainsRe(err, '-D\s+file3')
        self.assertContainsRe(err, 'All changes applied successfully\.')
        self.assertContainsRe(err, 'Updated to revision 1.1.1 of branch .*')

        # Switch back to latest
        out, err = self.run_bzr('update')
        self.assertContainsRe(err, '\+N\s+file3')
        self.assertContainsRe(err, 'All changes applied successfully\.')
        self.assertContainsRe(err, 'Updated to revision 2 of branch .*')

    def test_update_dash_r_in_master(self):
        # Test that 'bzr update' works correctly when you have
        # an update in the master tree,
        master = self.make_branch_and_tree('master')
        self.build_tree(['master/file1'])
        master.add(['file1'])
        master.commit('one', rev_id='m1')

        self.run_bzr('checkout master checkout')

        # add a revision in the master.
        self.build_tree(['master/file2'])
        master.add(['file2'])
        master.commit('two', rev_id='m2')

        os.chdir('checkout')
        sr = ScriptRunner()
        sr.run_script(self, '''
$ bzr update -r revid:m2
2>+N  file2
2>All changes applied successfully.
2>Updated to revision 2 of branch .../master
''')

    def test_update_show_base(self):
        """bzr update support --show-base

        see https://bugs.launchpad.net/bzr/+bug/202374"""

        tree=self.make_branch_and_tree('.')

        f = open('hello','wt')
        f.write('foo')
        f.close()
        tree.add('hello')
        tree.commit('fie')

        f = open('hello','wt')
        f.write('fee')
        f.close()
        tree.commit('fee')

        #tree.update() gives no such revision, so ...
        self.run_bzr(['update','-r1'])

        #create conflict
        f = open('hello','wt')
        f.write('fie')
        f.close()

        out, err = self.run_bzr(['update','--show-base'],retcode=1)

        # check for conflict notification
        self.assertContainsString(err,
                                  ' M  hello\nText conflict in hello\n1 conflicts encountered.\n')
        
        self.assertEqualDiff('<<<<<<< TREE\n'
                             'fie||||||| BASE-REVISION\n'
                             'foo=======\n'
                             'fee>>>>>>> MERGE-SOURCE\n',
                             open('hello').read())

    def test_update_checkout_prevent_double_merge(self):
        """"Launchpad bug 113809 in bzr "update performs two merges"
        https://launchpad.net/bugs/113809"""
        master = self.make_branch_and_tree('master')
        self.build_tree_contents([('master/file', 'initial contents\n')])
        master.add(['file'])
        master.commit('one', rev_id='m1')

        checkout = master.branch.create_checkout('checkout')
        lightweight = checkout.branch.create_checkout('lightweight',
                                                      lightweight=True)

        # time to create a mess
        # add a commit to the master
        self.build_tree_contents([('master/file', 'master\n')])
        master.commit('two', rev_id='m2')
        self.build_tree_contents([('master/file', 'master local changes\n')])

        # local commit on the checkout
        self.build_tree_contents([('checkout/file', 'checkout\n')])
        checkout.commit('tree', rev_id='c2', local=True)
        self.build_tree_contents([('checkout/file',
                                   'checkout local changes\n')])

        # lightweight 
        self.build_tree_contents([('lightweight/file',
                                   'lightweight local changes\n')])

        # now update (and get conflicts)
        out, err = self.run_bzr('update lightweight', retcode=1)
        self.assertEqual('', out)
        # NB: these conflicts are actually in the source code
        self.assertFileEqual('''\
<<<<<<< TREE
lightweight local changes
=======
checkout
>>>>>>> MERGE-SOURCE
''',
                             'lightweight/file')

        # resolve it
        self.build_tree_contents([('lightweight/file',
                                   'lightweight+checkout\n')])
        self.run_bzr('resolve lightweight/file')

        # check we get the second conflict
        out, err = self.run_bzr('update lightweight', retcode=1)
        self.assertEqual('', out)
        # NB: these conflicts are actually in the source code
        self.assertFileEqual('''\
<<<<<<< TREE
lightweight+checkout
=======
master
>>>>>>> MERGE-SOURCE
''',
                             'lightweight/file')