f1103f8f69
This is done by adding `hookedPrograms` in `Setup.hs`, which allows us to include `hsb2hs` in Build-Tools in cabal.
81 lines
3.3 KiB
Haskell
81 lines
3.3 KiB
Haskell
{-
|
|
Copyright (C) 2006-2015 John MacFarlane <jgm@berkeley.edu>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
-}
|
|
|
|
import Distribution.Simple
|
|
import Distribution.Simple.PreProcess
|
|
import Distribution.Simple.Setup (ConfigFlags(..))
|
|
import Distribution.PackageDescription (PackageDescription(..), FlagName(..))
|
|
import System.Process ( rawSystem )
|
|
import System.FilePath ( (</>) )
|
|
import System.Directory ( findExecutable )
|
|
import Distribution.Verbosity ( Verbosity )
|
|
import Distribution.Simple.Utils (info, notice, installOrdinaryFiles)
|
|
import Distribution.Simple.Setup
|
|
import Distribution.Simple.Program (simpleProgram, Program(..))
|
|
import Distribution.Simple.LocalBuildInfo
|
|
import Data.Version
|
|
import System.Process (readProcess)
|
|
import Text.ParserCombinators.ReadP (readP_to_S, skipSpaces, eof)
|
|
import Control.Monad (when)
|
|
|
|
main :: IO ()
|
|
main = defaultMainWithHooks $ simpleUserHooks {
|
|
-- enable hsb2hs preprocessor for .hsb files
|
|
hookedPreProcessors = [ppBlobSuffixHandler]
|
|
, hookedPrograms = [(simpleProgram "hsb2hs"){
|
|
programFindVersion = findHsb2hsVersion }]
|
|
, postCopy = installManPage
|
|
}
|
|
|
|
findHsb2hsVersion :: Verbosity -> FilePath -> IO (Maybe Version)
|
|
findHsb2hsVersion verb fp = do
|
|
outp <- readProcess fp ["--version"] ""
|
|
case readP_to_S (do v <- parseVersion
|
|
skipSpaces
|
|
eof
|
|
return v) outp of
|
|
((v,""):_) -> return (Just v)
|
|
_ -> return Nothing
|
|
|
|
ppBlobSuffixHandler :: PPSuffixHandler
|
|
ppBlobSuffixHandler = ("hsb", \_ lbi ->
|
|
PreProcessor {
|
|
platformIndependent = True,
|
|
runPreProcessor = mkSimplePreProcessor $ \infile outfile verbosity ->
|
|
do let embedData = case lookup (FlagName "embed_data_files")
|
|
(configConfigurationsFlags (configFlags lbi)) of
|
|
Just True -> True
|
|
_ -> False
|
|
when embedData $
|
|
do info verbosity $ "Preprocessing " ++ infile ++ " to " ++ outfile
|
|
hsb2hsPath <- findExecutable "hsb2hs"
|
|
case hsb2hsPath of
|
|
Just p -> rawSystem p [infile, infile, outfile]
|
|
Nothing -> error "hsb2hs is needed to build this program: cabal install hsb2hs"
|
|
return ()
|
|
})
|
|
|
|
installManPage :: Args -> CopyFlags
|
|
-> PackageDescription -> LocalBuildInfo -> IO ()
|
|
installManPage _ flags pkg lbi = do
|
|
let verbosity = fromFlag (copyVerbosity flags)
|
|
let copydest = fromFlag (copyDest flags)
|
|
let mandest = mandir (absoluteInstallDirs pkg lbi copydest)
|
|
</> "man1"
|
|
notice verbosity $ "Copying man page to " ++ mandest
|
|
installOrdinaryFiles verbosity mandest [("man", "pandoc.1")]
|