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#!/usr/bin/env runhaskell
import System.Directory.Tree
import Data.List
main :: IO ()
main = readDirectory "." >>= putStrLn . genHostFile
genHostFile :: AnchoredDirTree String -> String
genHostFile (_ :/ (Dir _ contents)) = "{\n" ++ entries ++ "\n}\n"
where
entries = concat $ [genEntry name content | (File name content) <- contents, name `notElem` hidden]
genEntry fileName fileContent = unlines . indent $ [ "\"" ++ fileName ++ "\" = ''" ] ++ indent (lines fileContent) ++ [ "'';" ]
hidden = [ "hosts.nix"
]
indent :: [String] -> [String]
indent = map (" " ++)
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