/brz/remove-bazaar

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Viewing changes to bzrlib/workingtree.py

  • Committer: Robert Collins
  • Date: 2005-11-05 14:48:39 UTC
  • mto: This revision was merged to the branch mainline in revision 1503.
  • Revision ID: robertc@robertcollins.net-20051105144839-0778253797be08ec
Replace the WorkingTree.revert method algorithm with a call to merge_inner.

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Lines of Context:
bzrlib/workingtree.py
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    @needs_write_lock
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    def revert(self, filenames, old_tree=None, backups=True):
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        """Restore selected files to the versions from a previous tree.
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        backups
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            If true (default) backups are made of files before
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            they're renamed.
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        """
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        from bzrlib.atomicfile import AtomicFile
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        from bzrlib.osutils import backup_file
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        inv = self.read_working_inventory()
 
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        from bzrlib.merge import merge_inner
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        if old_tree is None:
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            old_tree = self.branch.basis_tree()
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        old_inv = old_tree.inventory
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        nids = []
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        for fn in filenames:
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            file_id = inv.path2id(fn)
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            if not file_id:
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                raise NotVersionedError(path=fn)
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            if not old_inv.has_id(file_id):
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                raise BzrError("file not present in old tree", fn, file_id)
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            nids.append((fn, file_id))
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        # TODO: Rename back if it was previously at a different location
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        # TODO: If given a directory, restore the entire contents from
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        # the previous version.
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        # TODO: Make a backup to a temporary file.
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        # TODO: If the file previously didn't exist, delete it?
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        for fn, file_id in nids:
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            backup_file(fn)
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            f = AtomicFile(fn, 'wb')
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            try:
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                f.write(old_tree.get_file(file_id).read())
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                f.commit()
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            finally:
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                f.close()
 
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        merge_inner(self.branch, old_tree,
 
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                    self, ignore_zero=True,
 
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                    backup_files=backups, 
 
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                    interesting_files=filenames)
 
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        if not len(filenames):
 
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            self.branch.set_pending_merges([])
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    @needs_write_lock
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    def set_inventory(self, new_inventory_list):