24
from bzrlib import merge_directive
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24
from bzrlib.branch import Branch
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25
from bzrlib.bzrdir import BzrDir
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from bzrlib.conflicts import ConflictList, ContentsConflict
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from bzrlib.osutils import abspath, file_kind, pathjoin
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from bzrlib.osutils import abspath
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27
from bzrlib.tests.blackbox import ExternalBase
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import bzrlib.urlutils as urlutils
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28
from bzrlib.workingtree import WorkingTree
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31
class TestMerge(ExternalBase):
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def example_branch(self, path='.'):
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tree = self.make_branch_and_tree(path)
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self.build_tree_contents([
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(pathjoin(path, 'hello'), 'foo'),
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(pathjoin(path, 'goodbye'), 'baz')])
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tree.commit(message='setup')
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tree.commit(message='setup')
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def create_conflicting_branches(self):
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"""Create two branches which have overlapping modifications.
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:return: (tree, other_branch) Where merging other_branch causes a file
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builder = self.make_branch_builder('branch')
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builder.build_snapshot('rev1', None,
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[('add', ('', 'root-id', 'directory', None)),
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('add', ('fname', 'f-id', 'file', 'a\nb\nc\n'))])
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builder.build_snapshot('rev2other', ['rev1'],
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[('modify', ('f-id', 'a\nB\nD\n'))])
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other = builder.get_branch().bzrdir.sprout('other').open_branch()
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builder.build_snapshot('rev2this', ['rev1'],
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[('modify', ('f-id', 'a\nB\nC\n'))])
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tree = builder.get_branch().create_checkout('tree', lightweight=True)
33
def example_branch(test):
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file('hello', 'wt').write('foo')
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test.runbzr('add hello')
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test.runbzr('commit -m setup hello')
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file('goodbye', 'wt').write('baz')
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test.runbzr('add goodbye')
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test.runbzr('commit -m setup goodbye')
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42
def test_merge_reprocess(self):
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43
d = BzrDir.create_standalone_workingtree('.')
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self.run_bzr('merge . --reprocess --merge-type weave')
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self.run_bzr('merge', '.', '--reprocess', '--merge-type', 'weave')
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47
def test_merge(self):
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48
from bzrlib.branch import Branch
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a_tree = self.example_branch('a')
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ancestor = a_tree.branch.revno()
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b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
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self.build_tree_contents([('b/goodbye', 'quux')])
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b_tree.commit(message="more u's are always good")
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self.build_tree_contents([('a/hello', 'quuux')])
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self.runbzr('branch a b')
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file('goodbye', 'wt').write('quux')
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self.runbzr(['commit', '-m', "more u's are always good"])
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file('hello', 'wt').write('quuux')
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# We can't merge when there are in-tree changes
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self.run_bzr('merge ../b', retcode=3)
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a = WorkingTree.open('.')
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a_tip = a.commit("Like an epidemic of u's")
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self.run_bzr('merge ../b -r last:1..last:1 --merge-type blooof',
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self.runbzr('merge ../b', retcode=3)
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self.runbzr(['commit', '-m', "Like an epidemic of u's"])
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self.runbzr('merge ../b -r last:1..last:1 --merge-type blooof',
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self.run_bzr('merge ../b -r last:1..last:1 --merge-type merge3')
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a_tree.revert(backups=False)
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self.run_bzr('merge ../b -r last:1..last:1 --merge-type weave')
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a_tree.revert(backups=False)
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self.run_bzr('merge ../b -r last:1..last:1 --merge-type lca')
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a_tree.revert(backups=False)
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self.run_bzr_error(['Show-base is not supported for this merge type'],
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'merge ../b -r last:1..last:1 --merge-type weave'
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a_tree.revert(backups=False)
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self.run_bzr('merge ../b -r last:1..last:1 --reprocess')
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a_tree.revert(backups=False)
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self.run_bzr('merge ../b -r last:1')
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self.runbzr('merge ../b -r last:1..last:1 --merge-type merge3')
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self.runbzr('revert --no-backup')
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self.runbzr('merge ../b -r last:1..last:1 --merge-type weave')
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self.runbzr('revert --no-backup')
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self.runbzr('merge ../b -r last:1..last:1 --reprocess')
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self.runbzr('revert --no-backup')
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self.runbzr('merge ../b -r last:1')
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self.check_file_contents('goodbye', 'quux')
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74
# Merging a branch pulls its revision into the tree
75
a = WorkingTree.open('.')
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76
b = Branch.open('../b')
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b_tip = b.last_revision()
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self.failUnless(a.branch.repository.has_revision(b_tip))
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self.assertEqual([a_tip, b_tip], a.get_parent_ids())
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a_tree.revert(backups=False)
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out, err = self.run_bzr('merge -r revno:1:./hello', retcode=3)
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self.assertTrue("Not a branch" in err)
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self.run_bzr('merge -r revno:%d:./..revno:%d:../b'
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%(ancestor,b.revno()))
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self.assertEquals(a.get_parent_ids(),
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[a.branch.last_revision(), b.last_revision()])
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self.check_file_contents('goodbye', 'quux')
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a_tree.revert(backups=False)
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self.run_bzr('merge -r revno:%d:../b'%b.revno())
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self.assertEquals(a.get_parent_ids(),
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[a.branch.last_revision(), b.last_revision()])
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a_tip = a.commit('merged')
119
self.run_bzr('merge ../b -r last:1')
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self.assertEqual([a_tip], a.get_parent_ids())
122
def test_merge_defaults_to_reprocess(self):
123
tree, other = self.create_conflicting_branches()
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# The default merge algorithm should enable 'reprocess' because
125
# 'show-base' is not set
126
self.run_bzr('merge ../other', working_dir='tree',
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self.assertEqualDiff('a\n'
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'>>>>>>> MERGE-SOURCE\n',
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tree.get_file_text('f-id'))
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def test_merge_explicit_reprocess_show_base(self):
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tree, other = self.create_conflicting_branches()
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# Explicitly setting --reprocess, and --show-base is an error
140
self.run_bzr_error(['Cannot do conflict reduction and show base'],
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'merge ../other --reprocess --show-base',
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def test_merge_override_reprocess(self):
145
tree, other = self.create_conflicting_branches()
146
# Explicitly disable reprocess
147
self.run_bzr('merge ../other --no-reprocess', working_dir='tree',
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self.assertEqualDiff('a\n'
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'>>>>>>> MERGE-SOURCE\n',
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tree.get_file_text('f-id'))
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def test_merge_override_show_base(self):
160
tree, other = self.create_conflicting_branches()
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# Setting '--show-base' will auto-disable '--reprocess'
162
self.run_bzr('merge ../other --show-base', working_dir='tree',
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self.assertEqualDiff('a\n'
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'||||||| BASE-REVISION\n'
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'>>>>>>> MERGE-SOURCE\n',
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tree.get_file_text('f-id'))
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a.branch.repository.get_revision_xml(b.last_revision())
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self.log('pending merges: %s', a.pending_merges())
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self.assertEquals(a.pending_merges(),
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self.runbzr('commit -m merged')
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self.runbzr('merge ../b -r last:1')
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self.assertEqual(a.pending_merges(), [])
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def test_merge_with_missing_file(self):
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86
"""Merge handles missing file conflicts"""
179
self.build_tree_contents([
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('a/sub/a.txt', 'hello\n'),
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('a/b.txt', 'hello\n'),
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('a/sub/c.txt', 'hello\n')])
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a_tree = self.make_branch_and_tree('a')
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a_tree.add(['sub', 'b.txt', 'sub/c.txt', 'sub/a.txt'])
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a_tree.commit(message='added a')
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b_tree = a_tree.bzrdir.sprout('b').open_workingtree()
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self.build_tree_contents([
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('a/sub/a.txt', 'hello\nthere\n'),
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('a/b.txt', 'hello\nthere\n'),
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('a/sub/c.txt', 'hello\nthere\n')])
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a_tree.commit(message='Added there')
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os.remove('a/sub/a.txt')
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os.remove('a/sub/c.txt')
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a_tree.commit(message='Removed a.txt')
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self.build_tree_contents([
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('b/sub/a.txt', 'hello\nsomething\n'),
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('b/b.txt', 'hello\nsomething\n'),
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('b/sub/c.txt', 'hello\nsomething\n')])
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b_tree.commit(message='Modified a.txt')
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self.run_bzr('merge ../a/', retcode=1)
206
self.failUnlessExists('sub/a.txt.THIS')
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self.failUnlessExists('sub/a.txt.BASE')
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print >> file('sub/a.txt', 'wb'), "hello"
91
print >> file('b.txt', 'wb'), "hello"
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print >> file('sub/c.txt', 'wb'), "hello"
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self.runbzr(('commit', '-m', 'added a'))
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self.runbzr('branch . ../b')
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print >> file('sub/a.txt', 'ab'), "there"
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print >> file('b.txt', 'ab'), "there"
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print >> file('sub/c.txt', 'ab'), "there"
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self.runbzr(('commit', '-m', 'Added there'))
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os.unlink('sub/a.txt')
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os.unlink('sub/c.txt')
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self.runbzr(('commit', '-m', 'Removed a.txt'))
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print >> file('sub/a.txt', 'ab'), "something"
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print >> file('b.txt', 'ab'), "something"
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print >> file('sub/c.txt', 'ab'), "something"
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self.runbzr(('commit', '-m', 'Modified a.txt'))
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self.runbzr('merge ../a/', retcode=1)
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self.assert_(os.path.exists('sub/a.txt.THIS'))
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self.assert_(os.path.exists('sub/a.txt.BASE'))
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self.run_bzr('merge ../b/', retcode=1)
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self.failUnlessExists('sub/a.txt.OTHER')
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self.failUnlessExists('sub/a.txt.BASE')
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self.runbzr('merge ../b/', retcode=1)
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self.assert_(os.path.exists('sub/a.txt.OTHER'))
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self.assert_(os.path.exists('sub/a.txt.BASE'))
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def test_merge_remember(self):
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"""Merge changes from one branch to another, test submit location."""
120
"""Merge changes from one branch to another and test parent location."""
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tree_a = self.make_branch_and_tree('branch_a')
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branch_a = tree_a.branch
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self.build_tree(['branch_a/a'])
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self.assertEqual(None, branch_b.get_parent())
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# test merge for failure without parent set
235
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os.chdir('branch_b')
236
out = self.run_bzr('merge', retcode=3)
142
out = self.runbzr('merge', retcode=3)
237
143
self.assertEquals(out,
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('','bzr: ERROR: No location specified or remembered\n'))
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('','bzr: ERROR: No merge branch known or specified.\n'))
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# test implicit --remember when no parent set, this merge conflicts
240
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self.build_tree(['d'])
242
self.run_bzr_error(['Working tree ".*" has uncommitted changes'],
244
self.assertEquals(abspath(branch_b.get_submit_branch()),
148
out = self.runbzr('merge ../branch_a', retcode=3)
149
self.assertEquals(out,
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('','bzr: ERROR: Working tree has uncommitted changes.\n'))
151
self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
246
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# test implicit --remember after resolving conflict
247
153
tree_b.commit('commit d')
248
out, err = self.run_bzr('merge')
250
base = urlutils.local_path_from_url(branch_a.base)
251
self.assertStartsWith(err,
252
'Merging from remembered submit location %s\n' % (base,))
253
self.assertEndsWith(err, '+N b\nAll changes applied successfully.\n')
254
self.assertEquals(abspath(branch_b.get_submit_branch()),
256
# re-open tree as external run_bzr modified it
154
out, err = self.runbzr('merge')
155
self.assertEquals(out, 'Using saved branch: ../branch_a\n')
156
self.assertEquals(err, 'All changes applied successfully.\n')
157
self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
158
# re-open tree as external runbzr modified it
257
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tree_b = branch_b.bzrdir.open_workingtree()
258
160
tree_b.commit('merge branch_a')
259
161
# test explicit --remember
260
out, err = self.run_bzr('merge ../branch_c --remember')
162
out, err = self.runbzr('merge ../branch_c --remember')
261
163
self.assertEquals(out, '')
262
self.assertEquals(err, '+N c\nAll changes applied successfully.\n')
263
self.assertEquals(abspath(branch_b.get_submit_branch()),
164
self.assertEquals(err, 'All changes applied successfully.\n')
165
self.assertEquals(abspath(branch_b.get_parent()),
264
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abspath(branch_c.bzrdir.root_transport.base))
265
# re-open tree as external run_bzr modified it
167
# re-open tree as external runbzr modified it
266
168
tree_b = branch_b.bzrdir.open_workingtree()
267
169
tree_b.commit('merge branch_c')
269
def test_merge_bundle(self):
270
from bzrlib.testament import Testament
271
tree_a = self.make_branch_and_tree('branch_a')
272
self.build_tree_contents([('branch_a/a', 'hello')])
274
tree_a.commit('message')
276
tree_b = tree_a.bzrdir.sprout('branch_b').open_workingtree()
277
self.build_tree_contents([('branch_a/a', 'hey there')])
278
tree_a.commit('message')
280
self.build_tree_contents([('branch_b/a', 'goodbye')])
281
tree_b.commit('message')
283
self.run_bzr('bundle ../branch_a -o ../bundle')
284
os.chdir('../branch_a')
285
self.run_bzr('merge ../bundle', retcode=1)
286
testament_a = Testament.from_revision(tree_a.branch.repository,
287
tree_b.get_parent_ids()[0])
288
testament_b = Testament.from_revision(tree_b.branch.repository,
289
tree_b.get_parent_ids()[0])
290
self.assertEqualDiff(testament_a.as_text(),
291
testament_b.as_text())
292
tree_a.set_conflicts(ConflictList())
293
tree_a.commit('message')
294
# it is legal to attempt to merge an already-merged bundle
295
output = self.run_bzr('merge ../bundle')[1]
296
# but it does nothing
297
self.assertFalse(tree_a.changes_from(tree_a.basis_tree()).has_changed())
298
self.assertEqual('Nothing to do.\n', output)
300
def test_merge_uncommitted(self):
301
"""Check that merge --uncommitted behaves properly"""
302
tree_a = self.make_branch_and_tree('a')
303
self.build_tree(['a/file_1', 'a/file_2'])
304
tree_a.add(['file_1', 'file_2'])
305
tree_a.commit('commit 1')
306
tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
307
self.failUnlessExists('b/file_1')
308
tree_a.rename_one('file_1', 'file_i')
309
tree_a.commit('commit 2')
310
tree_a.rename_one('file_2', 'file_ii')
312
self.run_bzr('merge a --uncommitted -d b')
313
self.failUnlessExists('b/file_1')
314
self.failUnlessExists('b/file_ii')
316
self.run_bzr_error(('Cannot use --uncommitted and --revision',),
317
'merge /a --uncommitted -r1 -d b')
319
def test_merge_uncommitted_file(self):
320
"""It should be possible to merge changes from a single file."""
321
tree_a = self.make_branch_and_tree('tree_a')
322
tree_a.commit('initial commit')
323
tree_a.bzrdir.sprout('tree_b')
324
self.build_tree(['tree_a/file1', 'tree_a/file2'])
325
tree_a.add(['file1', 'file2'])
327
self.run_bzr(['merge', '--uncommitted', '../tree_a/file1'])
328
self.failUnlessExists('file1')
329
self.failIfExists('file2')
331
def pullable_branch(self):
332
tree_a = self.make_branch_and_tree('a')
333
self.build_tree(['a/file'])
335
self.id1 = tree_a.commit('commit 1')
337
tree_b = self.make_branch_and_tree('b')
338
tree_b.pull(tree_a.branch)
339
file('b/file', 'wb').write('foo')
340
self.id2 = tree_b.commit('commit 2')
342
def test_merge_pull(self):
343
self.pullable_branch()
345
(out, err) = self.run_bzr('merge --pull ../b')
346
self.assertContainsRe(out, 'Now on revision 2\\.')
347
tree_a = WorkingTree.open('.')
348
self.assertEqual([self.id2], tree_a.get_parent_ids())
350
def test_merge_kind_change(self):
351
tree_a = self.make_branch_and_tree('tree_a')
352
self.build_tree_contents([('tree_a/file', 'content_1')])
353
tree_a.add('file', 'file-id')
354
tree_a.commit('added file')
355
tree_b = tree_a.bzrdir.sprout('tree_b').open_workingtree()
356
os.unlink('tree_a/file')
357
self.build_tree(['tree_a/file/'])
358
tree_a.commit('changed file to directory')
360
self.run_bzr('merge ../tree_a')
361
self.assertEqual('directory', file_kind('file'))
363
self.assertEqual('file', file_kind('file'))
364
self.build_tree_contents([('file', 'content_2')])
365
tree_b.commit('content change')
366
self.run_bzr('merge ../tree_a', retcode=1)
367
self.assertEqual(tree_b.conflicts(),
368
[ContentsConflict('file', file_id='file-id')])
370
def test_directive_cherrypick(self):
371
source = self.make_branch_and_tree('source')
372
self.build_tree(['source/a'])
374
source.commit('Added a', rev_id='rev1')
375
self.build_tree(['source/b'])
377
source.commit('Added b', rev_id='rev2')
378
target = self.make_branch_and_tree('target')
379
target.commit('empty commit')
380
self.write_directive('directive', source.branch, 'target', 'rev2',
382
out, err = self.run_bzr('merge -d target directive')
383
self.failIfExists('target/a')
384
self.failUnlessExists('target/b')
385
self.assertContainsRe(err, 'Performing cherrypick')
387
def write_directive(self, filename, source, target, revision_id,
388
base_revision_id=None, mangle_patch=False):
389
md = merge_directive.MergeDirective2.from_objects(
390
source.repository, revision_id, 0, 0, target,
391
base_revision_id=base_revision_id)
394
self.build_tree_contents([(filename, ''.join(md.to_lines()))])
396
def test_directive_verify_warning(self):
397
source = self.make_branch_and_tree('source')
398
self.build_tree(['source/a'])
400
source.commit('Added a', rev_id='rev1')
401
target = self.make_branch_and_tree('target')
402
target.commit('empty commit')
403
self.write_directive('directive', source.branch, 'target', 'rev1')
404
err = self.run_bzr('merge -d target directive')[1]
405
self.assertNotContainsRe(err, 'Preview patch does not match changes')
407
self.write_directive('directive', source.branch, 'target', 'rev1',
409
err = self.run_bzr('merge -d target directive')[1]
410
self.assertContainsRe(err, 'Preview patch does not match changes')
412
def test_merge_arbitrary(self):
413
target = self.make_branch_and_tree('target')
414
target.commit('empty')
415
# We need a revision that has no integer revno
416
branch_a = target.bzrdir.sprout('branch_a').open_workingtree()
417
self.build_tree(['branch_a/file1'])
418
branch_a.add('file1')
419
branch_a.commit('added file1', rev_id='rev2a')
420
branch_b = target.bzrdir.sprout('branch_b').open_workingtree()
421
self.build_tree(['branch_b/file2'])
422
branch_b.add('file2')
423
branch_b.commit('added file2', rev_id='rev2b')
424
branch_b.merge_from_branch(branch_a.branch)
425
self.failUnlessExists('branch_b/file1')
426
branch_b.commit('merged branch_a', rev_id='rev3b')
428
# It works if the revid has an interger revno
429
self.run_bzr('merge -d target -r revid:rev2a branch_a')
430
self.failUnlessExists('target/file1')
431
self.failIfExists('target/file2')
434
# It should work if the revid has no integer revno
435
self.run_bzr('merge -d target -r revid:rev2a branch_b')
436
self.failUnlessExists('target/file1')
437
self.failIfExists('target/file2')
439
def assertDirectoryContent(self, directory, entries, message=''):
440
"""Assert whether entries (file or directories) exist in a directory.
442
It also checks that there are no extra entries.
444
ondisk = os.listdir(directory)
445
if set(ondisk) == set(entries):
449
raise AssertionError(
450
'%s"%s" directory content is different:\na = %s\nb = %s\n'
451
% (message, directory, sorted(entries), sorted(ondisk)))
453
def test_cherrypicking_merge(self):
455
source = self.make_branch_and_tree('source')
456
for f in ('a', 'b', 'c', 'd'):
457
self.build_tree(['source/'+f])
459
source.commit('added '+f, rev_id='rev_'+f)
461
target = source.bzrdir.sprout('target', 'rev_a').open_workingtree()
462
self.assertDirectoryContent('target', ['.bzr', 'a'])
464
self.run_bzr('merge -d target -r revid:rev_b..revid:rev_c source')
465
self.assertDirectoryContent('target', ['.bzr', 'a', 'c'])
468
self.run_bzr('merge -d target -r revid:rev_b..revid:rev_d source')
469
self.assertDirectoryContent('target', ['.bzr', 'a', 'c', 'd'])
471
# pick 1 revision with option --changes
472
self.run_bzr('merge -d target -c revid:rev_d source')
473
self.assertDirectoryContent('target', ['.bzr', 'a', 'd'])
475
def test_merge_criss_cross(self):
476
tree_a = self.make_branch_and_tree('a')
477
tree_a.commit('', rev_id='rev1')
478
tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
479
tree_a.commit('', rev_id='rev2a')
480
tree_b.commit('', rev_id='rev2b')
481
tree_a.merge_from_branch(tree_b.branch)
482
tree_b.merge_from_branch(tree_a.branch)
483
tree_a.commit('', rev_id='rev3a')
484
tree_b.commit('', rev_id='rev3b')
485
graph = tree_a.branch.repository.get_graph(tree_b.branch.repository)
486
out, err = self.run_bzr(['merge', '-d', 'a', 'b'])
487
self.assertContainsRe(err, 'Warning: criss-cross merge encountered.')
489
def test_merge_from_submit(self):
490
tree_a = self.make_branch_and_tree('a')
491
tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
492
tree_c = tree_a.bzrdir.sprout('c').open_workingtree()
493
out, err = self.run_bzr(['merge', '-d', 'c'])
494
self.assertContainsRe(err, 'Merging from remembered parent location .*a\/')
495
tree_c.branch.set_submit_branch(tree_b.bzrdir.root_transport.base)
496
out, err = self.run_bzr(['merge', '-d', 'c'])
497
self.assertContainsRe(err, 'Merging from remembered submit location .*b\/')
499
def test_remember_sets_submit(self):
500
tree_a = self.make_branch_and_tree('a')
501
tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
502
self.assertIs(tree_b.branch.get_submit_branch(), None)
504
# Remember should not happen if using default from parent
505
out, err = self.run_bzr(['merge', '-d', 'b'])
506
self.assertIs(tree_b.branch.get_submit_branch(), None)
508
# Remember should happen if user supplies location
509
out, err = self.run_bzr(['merge', '-d', 'b', 'a'])
510
self.assertEqual(tree_b.branch.get_submit_branch(),
511
tree_a.bzrdir.root_transport.base)
513
def test_weave_cherrypick(self):
514
this_tree = self.make_branch_and_tree('this')
515
self.build_tree_contents([('this/file', "a\n")])
516
this_tree.add('file')
517
this_tree.commit('rev1')
518
other_tree = this_tree.bzrdir.sprout('other').open_workingtree()
519
self.build_tree_contents([('other/file', "a\nb\n")])
520
other_tree.commit('rev2b')
521
self.build_tree_contents([('other/file', "c\na\nb\n")])
522
other_tree.commit('rev3b')
523
self.run_bzr('merge --weave -d this other -r -2..-1')
524
self.assertFileEqual('c\na\n', 'this/file')
526
def test_lca_merge_criss_cross(self):
527
tree_a = self.make_branch_and_tree('a')
528
self.build_tree_contents([('a/file', 'base-contents\n')])
530
tree_a.commit('', rev_id='rev1')
531
tree_b = tree_a.bzrdir.sprout('b').open_workingtree()
532
self.build_tree_contents([('a/file',
533
'base-contents\nthis-contents\n')])
534
tree_a.commit('', rev_id='rev2a')
535
self.build_tree_contents([('b/file',
536
'base-contents\nother-contents\n')])
537
tree_b.commit('', rev_id='rev2b')
538
tree_a.merge_from_branch(tree_b.branch)
539
self.build_tree_contents([('a/file',
540
'base-contents\nthis-contents\n')])
541
tree_a.set_conflicts(ConflictList())
542
tree_b.merge_from_branch(tree_a.branch)
543
self.build_tree_contents([('b/file',
544
'base-contents\nother-contents\n')])
545
tree_b.set_conflicts(ConflictList())
546
tree_a.commit('', rev_id='rev3a')
547
tree_b.commit('', rev_id='rev3b')
548
out, err = self.run_bzr(['merge', '-d', 'a', 'b', '--lca'], retcode=1)
549
self.assertFileEqual('base-contents\n<<<<<<< TREE\nthis-contents\n'
550
'=======\nother-contents\n>>>>>>> MERGE-SOURCE\n',
553
def test_merge_preview(self):
554
this_tree = self.make_branch_and_tree('this')
555
this_tree.commit('rev1')
556
other_tree = this_tree.bzrdir.sprout('other').open_workingtree()
557
self.build_tree_contents([('other/file', 'new line')])
558
other_tree.add('file')
559
other_tree.commit('rev2a')
560
this_tree.commit('rev2b')
561
out, err = self.run_bzr(['merge', '-d', 'this', 'other', '--preview'])
562
self.assertContainsRe(out, '\+new line')
563
self.assertNotContainsRe(err, '\+N file\n')
564
this_tree.lock_read()
565
self.addCleanup(this_tree.unlock)
567
list(this_tree.iter_changes(this_tree.basis_tree())))
added
removed
bzrlib/tests/blackbox/test_merge.py
