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class TestMerge(ExternalBase):
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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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test.run_bzr('add hello')
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test.run_bzr('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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test.run_bzr('add goodbye')
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test.run_bzr('commit -m setup goodbye')
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def test_merge_reprocess(self):
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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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def test_merge(self):
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from bzrlib.branch import Branch
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self.example_branch()
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ancestor = Branch.open('.').revno()
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self.runbzr('branch a b')
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self.run_bzr('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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self.run_bzr(['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.runbzr('merge ../b', retcode=3)
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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.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 blooof',
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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.run_bzr('merge ../b -r last:1..last:1 --merge-type merge3')
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self.run_bzr('revert --no-backup')
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self.run_bzr('merge ../b -r last:1..last:1 --merge-type weave')
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self.run_bzr('revert --no-backup')
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self.run_bzr('merge ../b -r last:1..last:1 --reprocess')
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self.run_bzr('revert --no-backup')
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self.run_bzr('merge ../b -r last:1')
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self.check_file_contents('goodbye', 'quux')
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# Merging a branch pulls its revision into the tree
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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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self.runbzr('revert --no-backup')
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out, err = self.runbzr('merge -r revno:1:./hello', retcode=3)
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self.run_bzr('revert --no-backup')
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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.runbzr('merge -r revno:%d:./..revno:%d:../b'
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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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self.runbzr('revert --no-backup')
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self.runbzr('merge -r revno:%d:../b'%b.revno())
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self.run_bzr('revert --no-backup')
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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')
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self.runbzr('merge ../b -r last:1')
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self.run_bzr('merge ../b -r last:1')
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self.assertEqual([a_tip], a.get_parent_ids())
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def test_merge_with_missing_file(self):
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print >> file('sub/a.txt', 'wb'), "hello"
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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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self.run_bzr(['commit', '-m', 'added a'])
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self.run_bzr('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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self.run_bzr(['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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os.unlink('b.txt')
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self.runbzr(('commit', '-m', 'Removed a.txt'))
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self.run_bzr(['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.run_bzr(['commit', '-m', 'Modified a.txt'])
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self.run_bzr('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.runbzr('merge ../b/', retcode=1)
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self.run_bzr('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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self.assertEqual(None, branch_b.get_parent())
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# test merge for failure without parent set
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os.chdir('branch_b')
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out = self.runbzr('merge', retcode=3)
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out = self.run_bzr('merge', retcode=3)
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self.assertEquals(out,
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('','bzr: ERROR: No location specified or remembered\n'))
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# test implicit --remember when no parent set, this merge conflicts
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self.build_tree(['d'])
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out = self.runbzr('merge ../branch_a', retcode=3)
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out = self.run_bzr('merge ../branch_a', retcode=3)
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self.assertEquals(out,
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('','bzr: ERROR: Working tree has uncommitted changes.\n'))
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self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
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# test implicit --remember after resolving conflict
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tree_b.commit('commit d')
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out, err = self.runbzr('merge')
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out, err = self.run_bzr('merge')
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base = urlutils.local_path_from_url(branch_a.base)
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self.assertEquals(out, 'Merging from remembered location %s\n' % (base,))
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self.assertEquals(err, '+N b\nAll changes applied successfully.\n')
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self.assertEquals(abspath(branch_b.get_parent()), abspath(parent))
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# re-open tree as external runbzr modified it
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# re-open tree as external run_bzr modified it
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tree_b = branch_b.bzrdir.open_workingtree()
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tree_b.commit('merge branch_a')
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# test explicit --remember
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out, err = self.runbzr('merge ../branch_c --remember')
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out, err = self.run_bzr('merge ../branch_c --remember')
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self.assertEquals(out, '')
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self.assertEquals(err, '+N c\nAll changes applied successfully.\n')
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self.assertEquals(abspath(branch_b.get_parent()),
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abspath(branch_c.bzrdir.root_transport.base))
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# re-open tree as external runbzr modified it
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# re-open tree as external run_bzr modified it
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tree_b = branch_b.bzrdir.open_workingtree()
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tree_b.commit('merge branch_c')
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tree_b.commit('message')
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os.chdir('branch_b')
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file('../bundle', 'wb').write(self.runbzr('bundle ../branch_a')[0])
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file('../bundle', 'wb').write(self.run_bzr('bundle ../branch_a')[0])
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os.chdir('../branch_a')
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self.runbzr('merge ../bundle', retcode=1)
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self.run_bzr('merge ../bundle', retcode=1)
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testament_a = Testament.from_revision(tree_a.branch.repository,
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tree_b.get_parent_ids()[0])
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testament_b = Testament.from_revision(tree_b.branch.repository,
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tree_a.commit('commit 2')
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tree_a.rename_one('file_2', 'file_ii')
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self.run_bzr('merge', 'a', '--uncommitted', '-d', 'b')
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self.run_bzr('merge a --uncommitted -d b')
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self.failUnlessExists('b/file_1')
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self.failUnlessExists('b/file_ii')
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tree_b.revert([])
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self.run_bzr_error(('Cannot use --uncommitted and --revision',),
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'merge', '/a', '--uncommitted', '-r1',
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'merge /a --uncommitted -r1 -d b')
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def pullable_branch(self):
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self.example_branch()
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self.runbzr('branch a b')
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self.run_bzr('branch a b')
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file('goodbye', 'wt').write('quux')
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self.runbzr(['commit', '-m', "mode u's are always good"])
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self.run_bzr(['commit', '-m', "mode u's are always good"])
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def pullable_branch(self):
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self.build_tree(['tree_a/file/'])
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tree_a.commit('changed file to directory')
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os.chdir('tree_b')
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self.run_bzr('merge', '../tree_a')
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self.run_bzr('merge ../tree_a')
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self.assertEqual('directory', file_kind('file'))
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tree_b.revert([])
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self.assertEqual('file', file_kind('file'))
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self.build_tree_contents([('file', 'content_2')])
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tree_b.commit('content change')
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self.run_bzr('merge', '../tree_a', retcode=1)
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self.run_bzr('merge ../tree_a', retcode=1)
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self.assertEqual(tree_b.conflicts(),
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[ContentsConflict('file', file_id='file-id')])
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def test_directive_cherrypick(self):
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source = self.make_branch_and_tree('source')
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self.build_tree(['source/a'])
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source.commit('Added a', rev_id='rev1')
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self.build_tree(['source/b'])
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source.commit('Added b', rev_id='rev2')
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target = self.make_branch_and_tree('target')
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target.commit('empty commit')
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self.write_directive('directive', source.branch, 'target', 'rev2',
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self.run_bzr('merge -d target directive')
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self.failIfExists('target/a')
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self.failUnlessExists('target/b')
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def write_directive(self, filename, source, target, revision_id,
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base_revision_id=None, mangle_patch=False):
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md = merge_directive.MergeDirective2.from_objects(
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source.repository, revision_id, 0, 0, target,
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base_revision_id=base_revision_id)
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self.build_tree_contents([(filename, ''.join(md.to_lines()))])
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def test_directive_verify_warning(self):
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source = self.make_branch_and_tree('source')
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self.build_tree(['source/a'])
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source.commit('Added a', rev_id='rev1')
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target = self.make_branch_and_tree('target')
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target.commit('empty commit')
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self.write_directive('directive', source.branch, 'target', 'rev1')
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err = self.run_bzr('merge -d target directive')[1]
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self.assertNotContainsRe(err, 'Preview patch does not match changes')
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self.write_directive('directive', source.branch, 'target', 'rev1',
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err = self.run_bzr('merge -d target directive')[1]
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self.assertContainsRe(err, 'Preview patch does not match changes')