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Viewing changes to bzrlib/upgrade.py

Move working tree initialisation out from  Branch.initialize, deprecated Branch.initialize to Branch.create.

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bzrlib/upgrade.py
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    def _backup_control_dir(self):
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        note('making backup of tree history')
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        source = self.transport.clone('.bzr')
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        self.transport.mkdir('.bzr.backup')
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        backup = self.transport.clone('.bzr.backup')
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        files = []
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        directories = ['.']
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        while directories:
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            dir = directories.pop()
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            if dir != '.':
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                backup.mkdir(dir)
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            for path in source.list_dir(dir):
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                path = dir + '/' + path
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                stat = source.stat(path)
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                if S_ISDIR(stat.st_mode):
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                    directories.append(path)
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                else:
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                    files.append(path)
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        source.copy_to(files, backup)
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        note('%s has been backed up to %s', source.base, backup.base)
 
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        self.transport.copy_tree('.bzr', '.bzr.backup')
 
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        note('%s.bzr has been backed up to %s.bzr.backup',
 
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             self.transport.base,
 
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             self.transport.base)
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        note('if conversion fails, you can move this directory back to .bzr')
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        note('if it succeeds, you can remove this directory if you wish')
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