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bzrlib/benchmarks/tree_creator/simple_many_commit.py

 

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# Copyright (C) 2006 Canonical Ltd

 

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#

 

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# This program is free software; you can redistribute it and/or modify

 

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# it under the terms of the GNU General Public License as published by

 

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# the Free Software Foundation; either version 2 of the License, or

 

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# (at your option) any later version.

 

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#

 

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# This program is distributed in the hope that it will be useful,

 

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# but WITHOUT ANY WARRANTY; without even the implied warranty of

 

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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 

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# GNU General Public License for more details.

 

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#

 

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# You should have received a copy of the GNU General Public License

 

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# along with this program; if not, write to the Free Software

 

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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 

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"""Tree creator for many commits, but no changes"""

 

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from bzrlib import (

 

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    bzrdir,

 

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    )

 

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from bzrlib.benchmarks.tree_creator import TreeCreator

 

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class SimpleManyCommitTreeCreator(TreeCreator):

 

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    """Create an empty tree with lots of commits"""

 

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    def __init__(self, test, link_bzr=False):

 

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        super(SimpleManyCommitTreeCreator, self).__init__(test,

 

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            tree_name='many_commit_tree',

 

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            link_bzr=link_bzr,

 

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            link_working=False,

 

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            hot_cache=True)

 

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    def _create_tree(self, root, in_cache=False):

 

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        tree = bzrdir.BzrDir.create_standalone_workingtree(root)

 

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        tree.lock_write()

 

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        try:

 

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            for i in xrange(1000):

 

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                tree.commit('no-changes commit %d' % i)

 

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        finally:

 

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            tree.unlock()

 

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        if in_cache:

 

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            self._protect_files(root+'/.bzr')

 

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        return tree

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