Revert "Significantly sped up processing of large numbers of directories passed to a single git-annex command."
This reverts commit 705112903e
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Whoops, git ls-files does not always output in the input ordering.
That's why all this work is needed. Urk.
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3 changed files with 3 additions and 11 deletions
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@ -170,19 +170,17 @@ prop_relPathDirToFile_regressionTest = same_dir_shortcurcuits_at_difference
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== joinPath ["..", "..", "..", "..", ".git", "annex", "objects", "18", "gk", "SHA256-foo", "SHA256-foo"]
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{- Given an original list of paths, and an expanded list derived from it,
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- partitions the expanded list, so that sublist corresponds to one of the
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- generates a list of lists, where each sublist corresponds to one of the
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- original paths. When the original path is a directory, any items
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- in the expanded list that are contained in that directory will appear in
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- its segment.
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-
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- The expanded list must have the same ordering as the original list.
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-}
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segmentPaths :: [FilePath] -> [FilePath] -> [[FilePath]]
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segmentPaths [] new = [new]
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segmentPaths [_] new = [new] -- optimisation
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segmentPaths (l:ls) new = found : segmentPaths ls rest
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where
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(found, rest) = break (\p -> not (l `dirContains` p)) new
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(found, rest)=partition (l `dirContains`) new
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{- This assumes that it's cheaper to call segmentPaths on the result,
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- than it would be to run the action separately with each path. In
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