~loggerhead-team/loggerhead/trunk-rich

[r=jam][bug=839395] Do not crash when someone asks to look at per-revision changes for a file when file is not changed in a certain revision.

added added

removed removed

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self._branch.friendly_name,

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self._branch.is_root,

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'changes'))

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can_export = self._branch.export_tarballs

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values.update({

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'history': self._history,

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'filter_file_id': filter_file_id,

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'diff_chunks': diff_chunks,

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'query': query,

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'can_export': can_export,

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'specific_path': path,

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'start_revid': start_revid,

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})