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550 """ |
550 """ |
551 |
551 |
552 def deltaparent(rev): |
552 def deltaparent(rev): |
553 """"Return the revision that is a suitable parent to delta against.""" |
553 """"Return the revision that is a suitable parent to delta against.""" |
554 |
554 |
555 def candelta(baserev, rev): |
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556 """"Whether a delta can be generated between two revisions.""" |
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557 |
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558 class ifiledata(interfaceutil.Interface): |
555 class ifiledata(interfaceutil.Interface): |
559 """Storage interface for data storage of a specific file. |
556 """Storage interface for data storage of a specific file. |
560 |
557 |
561 This complements ``ifileindex`` and provides an interface for accessing |
558 This complements ``ifileindex`` and provides an interface for accessing |
562 data for a tracked file. |
559 data for a tracked file. |