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ease single directory requirement #3794

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Jan 19, 2018
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ease single directory requirement #3794

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2 changes: 1 addition & 1 deletion src/Stack/Setup.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -1466,7 +1466,7 @@ expectSingleUnpackedDir :: (MonadIO m, MonadThrow m) => Path Abs File -> Path Ab
expectSingleUnpackedDir archiveFile destDir = do
contents <- listDir destDir
case contents of
([dir], []) -> return dir
([dir], _ ) -> return dir
_ -> throwString $ "Expected a single directory within unpacked " ++ toFilePath archiveFile

-- | Download 7z as necessary, and get a function for unpacking things.
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