~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/blackbox/test_pull.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-04-29 11:54:29 UTC
  • mfrom: (5813.2.1 integration)
  • Revision ID: pqm@pqm.ubuntu.com-20110429115429-bi5nv4kqmyrbtzx0
(jameinel) Skip a test that called os.utime(dir) if the filesystem doesn't
 support it. (John A Meinel)

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
# Copyright (C) 2005-2010 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
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
 
 
18
"""Black-box tests for bzr pull."""
 
19
 
 
20
import os
 
21
import sys
 
22
 
 
23
from bzrlib import (
 
24
    debug,
 
25
    remote,
 
26
    urlutils,
 
27
    )
 
28
 
 
29
from bzrlib.branch import Branch
 
30
from bzrlib.directory_service import directories
 
31
from bzrlib.osutils import pathjoin
 
32
from bzrlib.tests import (
 
33
    fixtures,
 
34
    TestCaseWithTransport,
 
35
    )
 
36
from bzrlib.uncommit import uncommit
 
37
from bzrlib.workingtree import WorkingTree
 
38
 
 
39
 
 
40
class TestPull(TestCaseWithTransport):
 
41
 
 
42
    def example_branch(self, path='.'):
 
43
        tree = self.make_branch_and_tree(path)
 
44
        self.build_tree_contents([
 
45
            (pathjoin(path, 'hello'),   'foo'),
 
46
            (pathjoin(path, 'goodbye'), 'baz')])
 
47
        tree.add('hello')
 
48
        tree.commit(message='setup')
 
49
        tree.add('goodbye')
 
50
        tree.commit(message='setup')
 
51
        return tree
 
52
 
 
53
    def test_pull(self):
 
54
        """Pull changes from one branch to another."""
 
55
        a_tree = self.example_branch('a')
 
56
        os.chdir('a')
 
57
        self.run_bzr('pull', retcode=3)
 
58
        self.run_bzr('missing', retcode=3)
 
59
        self.run_bzr('missing .')
 
60
        self.run_bzr('missing')
 
61
        # this will work on windows because we check for the same branch
 
62
        # in pull - if it fails, it is a regression
 
63
        self.run_bzr('pull')
 
64
        self.run_bzr('pull /', retcode=3)
 
65
        if sys.platform not in ('win32', 'cygwin'):
 
66
            self.run_bzr('pull')
 
67
 
 
68
        os.chdir('..')
 
69
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
70
        os.chdir('b')
 
71
        self.run_bzr('pull')
 
72
        os.mkdir('subdir')
 
73
        b_tree.add('subdir')
 
74
        b_tree.commit(message='blah', allow_pointless=True)
 
75
 
 
76
        os.chdir('..')
 
77
        a = Branch.open('a')
 
78
        b = Branch.open('b')
 
79
        self.assertEqual(a.revision_history(), b.revision_history()[:-1])
 
80
 
 
81
        os.chdir('a')
 
82
        self.run_bzr('pull ../b')
 
83
        self.assertEqual(a.revision_history(), b.revision_history())
 
84
        a_tree.commit(message='blah2', allow_pointless=True)
 
85
        b_tree.commit(message='blah3', allow_pointless=True)
 
86
        # no overwrite
 
87
        os.chdir('../b')
 
88
        self.run_bzr('pull ../a', retcode=3)
 
89
        os.chdir('..')
 
90
        b_tree.bzrdir.sprout('overwriteme')
 
91
        os.chdir('overwriteme')
 
92
        self.run_bzr('pull --overwrite ../a')
 
93
        overwritten = Branch.open('.')
 
94
        self.assertEqual(overwritten.revision_history(),
 
95
                         a.revision_history())
 
96
        a_tree.merge_from_branch(b_tree.branch)
 
97
        a_tree.commit(message="blah4", allow_pointless=True)
 
98
        os.chdir('../b/subdir')
 
99
        self.run_bzr('pull ../../a')
 
100
        self.assertEqual(a.revision_history()[-1], b.revision_history()[-1])
 
101
        sub_tree = WorkingTree.open_containing('.')[0]
 
102
        sub_tree.commit(message="blah5", allow_pointless=True)
 
103
        sub_tree.commit(message="blah6", allow_pointless=True)
 
104
        os.chdir('..')
 
105
        self.run_bzr('pull ../a')
 
106
        os.chdir('../a')
 
107
        a_tree.commit(message="blah7", allow_pointless=True)
 
108
        a_tree.merge_from_branch(b_tree.branch)
 
109
        a_tree.commit(message="blah8", allow_pointless=True)
 
110
        self.run_bzr('pull ../b')
 
111
        self.run_bzr('pull ../b')
 
112
 
 
113
    def test_pull_dash_d(self):
 
114
        self.example_branch('a')
 
115
        self.make_branch_and_tree('b')
 
116
        self.make_branch_and_tree('c')
 
117
        # pull into that branch
 
118
        self.run_bzr('pull -d b a')
 
119
        # pull into a branch specified by a url
 
120
        c_url = urlutils.local_path_to_url('c')
 
121
        self.assertStartsWith(c_url, 'file://')
 
122
        self.run_bzr(['pull', '-d', c_url, 'a'])
 
123
 
 
124
    def test_pull_revision(self):
 
125
        """Pull some changes from one branch to another."""
 
126
        a_tree = self.example_branch('a')
 
127
        self.build_tree_contents([
 
128
            ('a/hello2',   'foo'),
 
129
            ('a/goodbye2', 'baz')])
 
130
        a_tree.add('hello2')
 
131
        a_tree.commit(message="setup")
 
132
        a_tree.add('goodbye2')
 
133
        a_tree.commit(message="setup")
 
134
 
 
135
        b_tree = a_tree.bzrdir.sprout('b',
 
136
                   revision_id=a_tree.branch.get_rev_id(1)).open_workingtree()
 
137
        os.chdir('b')
 
138
        self.run_bzr('pull -r 2')
 
139
        a = Branch.open('../a')
 
140
        b = Branch.open('.')
 
141
        self.assertEqual(a.revno(),4)
 
142
        self.assertEqual(b.revno(),2)
 
143
        self.run_bzr('pull -r 3')
 
144
        self.assertEqual(b.revno(),3)
 
145
        self.run_bzr('pull -r 4')
 
146
        self.assertEqual(a.revision_history(), b.revision_history())
 
147
 
 
148
    def test_pull_tags(self):
 
149
        """Tags are updated by pull, and revisions named in those tags are
 
150
        fetched.
 
151
        """
 
152
        # Make a source, sprout a target off it
 
153
        builder = self.make_branch_builder('source')
 
154
        source = fixtures.build_branch_with_non_ancestral_rev(builder)
 
155
        target_bzrdir = source.bzrdir.sprout('target')
 
156
        source.tags.set_tag('tag-a', 'rev-2')
 
157
        # Pull from source
 
158
        self.run_bzr('pull -d target source')
 
159
        target = target_bzrdir.open_branch()
 
160
        # The tag is present, and so is its revision.
 
161
        self.assertEqual('rev-2', target.tags.lookup_tag('tag-a'))
 
162
        target.repository.get_revision('rev-2')
 
163
 
 
164
    def test_overwrite_uptodate(self):
 
165
        # Make sure pull --overwrite overwrites
 
166
        # even if the target branch has merged
 
167
        # everything already.
 
168
        a_tree = self.make_branch_and_tree('a')
 
169
        self.build_tree_contents([('a/foo', 'original\n')])
 
170
        a_tree.add('foo')
 
171
        a_tree.commit(message='initial commit')
 
172
 
 
173
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
174
 
 
175
        self.build_tree_contents([('a/foo', 'changed\n')])
 
176
        a_tree.commit(message='later change')
 
177
 
 
178
        self.build_tree_contents([('a/foo', 'a third change')])
 
179
        a_tree.commit(message='a third change')
 
180
 
 
181
        rev_history_a = a_tree.branch.revision_history()
 
182
        self.assertEqual(len(rev_history_a), 3)
 
183
 
 
184
        b_tree.merge_from_branch(a_tree.branch)
 
185
        b_tree.commit(message='merge')
 
186
 
 
187
        self.assertEqual(len(b_tree.branch.revision_history()), 2)
 
188
 
 
189
        os.chdir('b')
 
190
        self.run_bzr('pull --overwrite ../a')
 
191
        rev_history_b = b_tree.branch.revision_history()
 
192
        self.assertEqual(len(rev_history_b), 3)
 
193
 
 
194
        self.assertEqual(rev_history_b, rev_history_a)
 
195
 
 
196
    def test_overwrite_children(self):
 
197
        # Make sure pull --overwrite sets the revision-history
 
198
        # to be identical to the pull source, even if we have convergence
 
199
        a_tree = self.make_branch_and_tree('a')
 
200
        self.build_tree_contents([('a/foo', 'original\n')])
 
201
        a_tree.add('foo')
 
202
        a_tree.commit(message='initial commit')
 
203
 
 
204
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
205
 
 
206
        self.build_tree_contents([('a/foo', 'changed\n')])
 
207
        a_tree.commit(message='later change')
 
208
 
 
209
        self.build_tree_contents([('a/foo', 'a third change')])
 
210
        a_tree.commit(message='a third change')
 
211
 
 
212
        self.assertEqual(len(a_tree.branch.revision_history()), 3)
 
213
 
 
214
        b_tree.merge_from_branch(a_tree.branch)
 
215
        b_tree.commit(message='merge')
 
216
 
 
217
        self.assertEqual(len(b_tree.branch.revision_history()), 2)
 
218
 
 
219
        self.build_tree_contents([('a/foo', 'a fourth change\n')])
 
220
        a_tree.commit(message='a fourth change')
 
221
 
 
222
        rev_history_a = a_tree.branch.revision_history()
 
223
        self.assertEqual(len(rev_history_a), 4)
 
224
 
 
225
        # With convergence, we could just pull over the
 
226
        # new change, but with --overwrite, we want to switch our history
 
227
        os.chdir('b')
 
228
        self.run_bzr('pull --overwrite ../a')
 
229
        rev_history_b = b_tree.branch.revision_history()
 
230
        self.assertEqual(len(rev_history_b), 4)
 
231
 
 
232
        self.assertEqual(rev_history_b, rev_history_a)
 
233
 
 
234
    def test_pull_remember(self):
 
235
        """Pull changes from one branch to another and test parent location."""
 
236
        transport = self.get_transport()
 
237
        tree_a = self.make_branch_and_tree('branch_a')
 
238
        branch_a = tree_a.branch
 
239
        self.build_tree(['branch_a/a'])
 
240
        tree_a.add('a')
 
241
        tree_a.commit('commit a')
 
242
        tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()
 
243
        branch_b = tree_b.branch
 
244
        tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()
 
245
        branch_c = tree_c.branch
 
246
        self.build_tree(['branch_a/b'])
 
247
        tree_a.add('b')
 
248
        tree_a.commit('commit b')
 
249
        # reset parent
 
250
        parent = branch_b.get_parent()
 
251
        branch_b.set_parent(None)
 
252
        self.assertEqual(None, branch_b.get_parent())
 
253
        # test pull for failure without parent set
 
254
        os.chdir('branch_b')
 
255
        out = self.run_bzr('pull', retcode=3)
 
256
        self.assertEqual(out,
 
257
                ('','bzr: ERROR: No pull location known or specified.\n'))
 
258
        # test implicit --remember when no parent set, this pull conflicts
 
259
        self.build_tree(['d'])
 
260
        tree_b.add('d')
 
261
        tree_b.commit('commit d')
 
262
        out = self.run_bzr('pull ../branch_a', retcode=3)
 
263
        self.assertEqual(out,
 
264
                ('','bzr: ERROR: These branches have diverged.'
 
265
                    ' Use the missing command to see how.\n'
 
266
                    'Use the merge command to reconcile them.\n'))
 
267
        self.assertEqual(branch_b.get_parent(), parent)
 
268
        # test implicit --remember after resolving previous failure
 
269
        uncommit(branch=branch_b, tree=tree_b)
 
270
        transport.delete('branch_b/d')
 
271
        self.run_bzr('pull')
 
272
        self.assertEqual(branch_b.get_parent(), parent)
 
273
        # test explicit --remember
 
274
        self.run_bzr('pull ../branch_c --remember')
 
275
        self.assertEqual(branch_b.get_parent(),
 
276
                          branch_c.bzrdir.root_transport.base)
 
277
 
 
278
    def test_pull_bundle(self):
 
279
        from bzrlib.testament import Testament
 
280
        # Build up 2 trees and prepare for a pull
 
281
        tree_a = self.make_branch_and_tree('branch_a')
 
282
        f = open('branch_a/a', 'wb')
 
283
        f.write('hello')
 
284
        f.close()
 
285
        tree_a.add('a')
 
286
        tree_a.commit('message')
 
287
 
 
288
        tree_b = tree_a.bzrdir.sprout('branch_b').open_workingtree()
 
289
 
 
290
        # Make a change to 'a' that 'b' can pull
 
291
        f = open('branch_a/a', 'wb')
 
292
        f.write('hey there')
 
293
        f.close()
 
294
        tree_a.commit('message')
 
295
 
 
296
        # Create the bundle for 'b' to pull
 
297
        os.chdir('branch_a')
 
298
        self.run_bzr('bundle ../branch_b -o ../bundle')
 
299
 
 
300
        os.chdir('../branch_b')
 
301
        out, err = self.run_bzr('pull ../bundle')
 
302
        self.assertEqual(out,
 
303
                         'Now on revision 2.\n')
 
304
        self.assertEqual(err,
 
305
                ' M  a\nAll changes applied successfully.\n')
 
306
 
 
307
        self.assertEqualDiff(tree_a.branch.revision_history(),
 
308
                             tree_b.branch.revision_history())
 
309
 
 
310
        testament_a = Testament.from_revision(tree_a.branch.repository,
 
311
                                              tree_a.get_parent_ids()[0])
 
312
        testament_b = Testament.from_revision(tree_b.branch.repository,
 
313
                                              tree_b.get_parent_ids()[0])
 
314
        self.assertEqualDiff(testament_a.as_text(),
 
315
                             testament_b.as_text())
 
316
 
 
317
        # it is legal to attempt to pull an already-merged bundle
 
318
        out, err = self.run_bzr('pull ../bundle')
 
319
        self.assertEqual(err, '')
 
320
        self.assertEqual(out, 'No revisions to pull.\n')
 
321
 
 
322
    def test_pull_verbose_no_files(self):
 
323
        """Pull --verbose should not list modified files"""
 
324
        tree_a = self.make_branch_and_tree('tree_a')
 
325
        self.build_tree(['tree_a/foo'])
 
326
        tree_a.add('foo')
 
327
        tree_a.commit('bar')
 
328
        tree_b = self.make_branch_and_tree('tree_b')
 
329
        out = self.run_bzr('pull --verbose -d tree_b tree_a')[0]
 
330
        self.assertContainsRe(out, 'bar')
 
331
        self.assertNotContainsRe(out, 'added:')
 
332
        self.assertNotContainsRe(out, 'foo')
 
333
 
 
334
    def test_pull_quiet(self):
 
335
        """Check that bzr pull --quiet does not print anything"""
 
336
        tree_a = self.make_branch_and_tree('tree_a')
 
337
        self.build_tree(['tree_a/foo'])
 
338
        tree_a.add('foo')
 
339
        revision_id = tree_a.commit('bar')
 
340
        tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
 
341
        out, err = self.run_bzr('pull --quiet -d tree_b')
 
342
        self.assertEqual(out, '')
 
343
        self.assertEqual(err, '')
 
344
        self.assertEqual(tree_b.last_revision(), revision_id)
 
345
        self.build_tree(['tree_a/moo'])
 
346
        tree_a.add('moo')
 
347
        revision_id = tree_a.commit('quack')
 
348
        out, err = self.run_bzr('pull --quiet -d tree_b')
 
349
        self.assertEqual(out, '')
 
350
        self.assertEqual(err, '')
 
351
        self.assertEqual(tree_b.last_revision(), revision_id)
 
352
 
 
353
    def test_pull_from_directory_service(self):
 
354
        source = self.make_branch_and_tree('source')
 
355
        source.commit('commit 1')
 
356
        target = source.bzrdir.sprout('target').open_workingtree()
 
357
        source_last = source.commit('commit 2')
 
358
        class FooService(object):
 
359
            """A directory service that always returns source"""
 
360
 
 
361
            def look_up(self, name, url):
 
362
                return 'source'
 
363
        directories.register('foo:', FooService, 'Testing directory service')
 
364
        self.addCleanup(directories.remove, 'foo:')
 
365
        self.run_bzr('pull foo:bar -d target')
 
366
        self.assertEqual(source_last, target.last_revision())
 
367
 
 
368
    def test_pull_verbose_defaults_to_long(self):
 
369
        tree = self.example_branch('source')
 
370
        target = self.make_branch_and_tree('target')
 
371
        out = self.run_bzr('pull -v source -d target')[0]
 
372
        self.assertContainsRe(out,
 
373
                              r'revno: 1\ncommitter: .*\nbranch nick: source')
 
374
        self.assertNotContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
 
375
 
 
376
    def test_pull_verbose_uses_default_log(self):
 
377
        tree = self.example_branch('source')
 
378
        target = self.make_branch_and_tree('target')
 
379
        target_config = target.branch.get_config()
 
380
        target_config.set_user_option('log_format', 'short')
 
381
        out = self.run_bzr('pull -v source -d target')[0]
 
382
        self.assertContainsRe(out, r'\n {4}1 .*\n {6}setup\n')
 
383
        self.assertNotContainsRe(
 
384
            out, r'revno: 1\ncommitter: .*\nbranch nick: source')
 
385
 
 
386
    def test_pull_smart_stacked_streaming_acceptance(self):
 
387
        """'bzr pull -r 123' works on stacked, smart branches, even when the
 
388
        revision specified by the revno is only present in the fallback
 
389
        repository.
 
390
 
 
391
        See <https://launchpad.net/bugs/380314>
 
392
        """
 
393
        self.setup_smart_server_with_call_log()
 
394
        # Make a stacked-on branch with two commits so that the
 
395
        # revision-history can't be determined just by looking at the parent
 
396
        # field in the revision in the stacked repo.
 
397
        parent = self.make_branch_and_tree('parent', format='1.9')
 
398
        parent.commit(message='first commit')
 
399
        parent.commit(message='second commit')
 
400
        local = parent.bzrdir.sprout('local').open_workingtree()
 
401
        local.commit(message='local commit')
 
402
        local.branch.create_clone_on_transport(
 
403
            self.get_transport('stacked'), stacked_on=self.get_url('parent'))
 
404
        empty = self.make_branch_and_tree('empty', format='1.9')
 
405
        self.reset_smart_call_log()
 
406
        self.run_bzr(['pull', '-r', '1', self.get_url('stacked')],
 
407
            working_dir='empty')
 
408
        # This figure represent the amount of work to perform this use case. It
 
409
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
410
        # being too low. If rpc_count increases, more network roundtrips have
 
411
        # become necessary for this use case. Please do not adjust this number
 
412
        # upwards without agreement from bzr's network support maintainers.
 
413
        self.assertLength(18, self.hpss_calls)
 
414
        remote = Branch.open('stacked')
 
415
        self.assertEndsWith(remote.get_stacked_on_url(), '/parent')
 
416
    
 
417
    def test_pull_cross_format_warning(self):
 
418
        """You get a warning for probably slow cross-format pulls.
 
419
        """
 
420
        # this is assumed to be going through InterDifferingSerializer
 
421
        from_tree = self.make_branch_and_tree('from', format='2a')
 
422
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
423
        from_tree.commit(message='first commit')
 
424
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
425
        self.assertContainsRe(err,
 
426
            "(?m)Doing on-the-fly conversion")
 
427
 
 
428
    def test_pull_cross_format_warning_no_IDS(self):
 
429
        """You get a warning for probably slow cross-format pulls.
 
430
        """
 
431
        # this simulates what would happen across the network, where
 
432
        # interdifferingserializer is not active
 
433
 
 
434
        debug.debug_flags.add('IDS_never')
 
435
        # TestCase take care of restoring them
 
436
 
 
437
        from_tree = self.make_branch_and_tree('from', format='2a')
 
438
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
439
        from_tree.commit(message='first commit')
 
440
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
441
        self.assertContainsRe(err,
 
442
            "(?m)Doing on-the-fly conversion")
 
443
 
 
444
    def test_pull_cross_format_from_network(self):
 
445
        self.setup_smart_server_with_call_log()
 
446
        from_tree = self.make_branch_and_tree('from', format='2a')
 
447
        to_tree = self.make_branch_and_tree('to', format='1.14-rich-root')
 
448
        self.assertIsInstance(from_tree.branch, remote.RemoteBranch)
 
449
        from_tree.commit(message='first commit')
 
450
        out, err = self.run_bzr(['pull', '-d', 'to',
 
451
            from_tree.branch.bzrdir.root_transport.base])
 
452
        self.assertContainsRe(err,
 
453
            "(?m)Doing on-the-fly conversion")
 
454
 
 
455
    def test_pull_to_experimental_format_warning(self):
 
456
        """You get a warning for pulling into experimental formats.
 
457
        """
 
458
        from_tree = self.make_branch_and_tree('from', format='development-subtree')
 
459
        to_tree = self.make_branch_and_tree('to', format='development-subtree')
 
460
        from_tree.commit(message='first commit')
 
461
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
462
        self.assertContainsRe(err,
 
463
            "(?m)Fetching into experimental format")
 
464
 
 
465
    def test_pull_cross_to_experimental_format_warning(self):
 
466
        """You get a warning for pulling into experimental formats.
 
467
        """
 
468
        from_tree = self.make_branch_and_tree('from', format='2a')
 
469
        to_tree = self.make_branch_and_tree('to', format='development-subtree')
 
470
        from_tree.commit(message='first commit')
 
471
        out, err = self.run_bzr(['pull', '-d', 'to', 'from'])
 
472
        self.assertContainsRe(err,
 
473
            "(?m)Fetching into experimental format")
 
474
 
 
475
    def test_pull_show_base(self):
 
476
        """bzr pull supports --show-base
 
477
 
 
478
        see https://bugs.launchpad.net/bzr/+bug/202374"""
 
479
        # create two trees with conflicts, setup conflict, check that
 
480
        # conflicted file looks correct
 
481
        a_tree = self.example_branch('a')
 
482
        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
 
483
 
 
484
        f = open(pathjoin('a', 'hello'),'wt')
 
485
        f.write('fee')
 
486
        f.close()
 
487
        a_tree.commit('fee')
 
488
 
 
489
        f = open(pathjoin('b', 'hello'),'wt')
 
490
        f.write('fie')
 
491
        f.close()
 
492
 
 
493
        out,err=self.run_bzr(['pull','-d','b','a','--show-base'])
 
494
 
 
495
        # check for message here
 
496
        self.assertEqual(err,
 
497
                         ' M  hello\nText conflict in hello\n1 conflicts encountered.\n')
 
498
 
 
499
        self.assertEqualDiff('<<<<<<< TREE\n'
 
500
                             'fie||||||| BASE-REVISION\n'
 
501
                             'foo=======\n'
 
502
                             'fee>>>>>>> MERGE-SOURCE\n',
 
503
                             open(pathjoin('b', 'hello')).read())
 
504
 
 
505
    def test_pull_show_base_working_tree_only(self):
 
506
        """--show-base only allowed if there's a working tree
 
507
 
 
508
        see https://bugs.launchpad.net/bzr/+bug/202374"""
 
509
        # create a branch, see that --show-base fails
 
510
        self.make_branch('from')
 
511
        self.make_branch('to')
 
512
        out=self.run_bzr(['pull','-d','to','from','--show-base'],retcode=3)
 
513
        self.assertEqual(out,
 
514
                         ('','bzr: ERROR: Need working tree for --show-base.\n'))
 
515
 
 
516
    def test_pull_tag_conflicts(self):
 
517
        """pulling tags with conflicts will change the exit code"""
 
518
        # create a branch, see that --show-base fails
 
519
        from_tree = self.make_branch_and_tree('from')
 
520
        from_tree.branch.tags.set_tag("mytag", "somerevid")
 
521
        to_tree = self.make_branch_and_tree('to')
 
522
        to_tree.branch.tags.set_tag("mytag", "anotherrevid")
 
523
        out = self.run_bzr(['pull','-d','to','from'],retcode=1)
 
524
        self.assertEqual(out,
 
525
            ('No revisions to pull.\nConflicting tags:\n    mytag\n', ''))