make revlog.addgroup pass its file handles to addrevision This should fix issue255. It looks like the problem there happens when addgroup calls addrevision to add a full revision, and addrevision decides to split the index file into a .i/.d pair. Since addgroup has an open file handle for the index file, the renaming of the new .i file to its final name fails on windows.

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%% Should show unknown

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? unknown

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removing b

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%% Should show unknown and b removed

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R b

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? unknown

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%% Should show a and unknown

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a

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unknown