58 lines
1.3 KiB
Haskell
58 lines
1.3 KiB
Haskell
{- Build man pages.
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-
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- Copyright 2016 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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{-# OPTIONS_GHC -fno-warn-tabs #-}
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module Build.Mans where
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import System.Directory
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import System.FilePath
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import Data.List
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import Control.Monad
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import System.Process
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import System.Exit
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import Data.Maybe
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import Utility.Exception
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buildMansOrWarn :: IO ()
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buildMansOrWarn = do
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mans <- buildMans
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when (any isNothing mans) $
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error "mdwn2man failed"
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buildMans :: IO [Maybe FilePath]
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buildMans = do
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mansrc <- filter isManSrc <$> getDirectoryContents "doc"
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createDirectoryIfMissing False "man"
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forM mansrc $ \f -> do
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let src = "doc" </> f
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let dest = srcToDest src
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srcm <- getModificationTime src
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destm <- catchMaybeIO $ getModificationTime dest
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if (Just srcm > destm)
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then do
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r <- system $ unwords
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[ "./Build/mdwn2man"
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, progName src
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, "1"
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, src
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, "> " ++ dest
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]
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if r == ExitSuccess
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then return (Just dest)
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else return Nothing
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else return (Just dest)
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isManSrc :: FilePath -> Bool
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isManSrc s = "git-annex" `isPrefixOf` (takeFileName s)
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&& takeExtension s == ".mdwn"
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srcToDest :: FilePath -> FilePath
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srcToDest s = "man" </> progName s ++ ".1"
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progName :: FilePath -> FilePath
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progName = dropExtension . takeFileName
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