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