expose Control.Monad.join
I think I've been looking for that function for some time. Ie, I remember wanting to collapse Just Nothing to Nothing.
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19 changed files with 30 additions and 32 deletions
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@ -179,7 +179,7 @@ fileNotFound file = do
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[ "git-annex:", file, "not found" ]
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indent :: String -> String
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indent = join "\n" . map (\l -> " " ++ l) . lines
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indent = intercalate "\n" . map (\l -> " " ++ l) . lines
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{- Shows a JSON fragment only when in json mode. -}
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maybeShowJSON :: JSON a => [(String, a)] -> Annex ()
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