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Removing uncommitted changes
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============================
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If you've made some changes and don't want to keep them, use the
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``revert`` command to go back to the previous head version. It's a
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good idea to use ``bzr diff`` first to see what will be removed.
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By default the revert command reverts the whole tree; if file or
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directory names are given then only those ones will be affected.
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revert also clears the list of pending merges revisions.