/brz/remove-bazaar

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dir.py
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        return self._gitrepository_class(self, self._lockfiles)
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    def open_workingtree(self, recommend_upgrade=True):
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        if (not self._git.bare and 
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            os.path.exists(os.path.join(self._git.controldir(), "index"))):
 
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        if not self._git.bare and self._git.has_index():
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            return workingtree.GitWorkingTree(self, self.open_repository(), 
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                                                  self.open_branch())
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        loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
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    def create_branch(self):
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        return self.open_branch()
 
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    def backup_bzrdir(self):
 
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        if self._git.bare:
 
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            self.root_transport.copy_tree(".git", ".git.backup")
 
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            return (self.root_transport.abspath(".git"),
 
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                    self.root_transport.abspath(".git.backup"))
 
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        else:
 
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            raise errors.bzr_errors.BzrError("Unable to backup bare repositories")
 
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    def create_workingtree(self, revision_id=None, from_branch=None,
 
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        accelerator_tree=None, hardlink=False):
 
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        if self._git.bare:
 
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            raise errors.bzr_errors.BzrError("Can't create working tree in a bare repo")
 
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        from dulwich.index import write_index
 
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        write_index(self.root_transport.abspath(".git/index"), [])
 
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        return self.open_workingtree()