Skip to content

Embed URL

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
Cabal Setup.hs to copy scripts during postInst:
import Control.Monad ( unless )
import Distribution.Simple
import Distribution.Simple.Program.Types ( Program(..), simpleProgram )
import Distribution.PackageDescription ( PackageDescription(..), executables,
hsSourceDirs, exeName, buildInfo )
import Distribution.Simple.LocalBuildInfo ( LocalBuildInfo(..), buildDir, bindir
, substPathTemplate, absoluteInstallDirs )
import Distribution.Simple.Setup ( InstallFlags(..), BuildFlags, Flag, fromFlag
, buildVerbose, CopyFlags(..), defaultCopyFlags )
import Distribution.Simple.Utils ( rawSystemExit, findProgramVersion)
import Distribution.Verbosity ( Verbosity )
import System.Directory ( doesDirectoryExist, copyFile )
import System.FilePath ( (</>) )
main = defaultMainWithHooks $
simpleUserHooks { hookedPrograms = [cabalInstallProgram]
, postInst = postInstCp (postInst simpleUserHooks)
}
type PostInstHook = Args -> InstallFlags -> PackageDescription -> LocalBuildInfo -> IO ()
postInstCp :: PostInstHook -> Args -> InstallFlags -> PackageDescription -> LocalBuildInfo -> IO ()
postInstCp oldHook args iflags pDesc lbi = do
let -- The filename to copy from. This assumes 'srcFileName.sh' is adjacent to Setup.hs:
inFile :: FilePath
inFile = "srcFileName.sh"
-- The filename to copy to:
outFile :: FilePath
outFile = "destFileName.sh"
prefix = fromFlag $ installDistPref iflags
-- Make a concrete binDir from the LocalBuildInfo & PackageDescription:
instBinDir :: FilePath
instBinDir = bindir $ absoluteInstallDirs pDesc lbi
(fromFlag $ copyDest defaultCopyFlags)
-- layer of indirection, in case we wanted to get a specific
-- src directory from the cabal file:
src :: FilePath
src = inFile
-- qualify the destination.
dest :: FilePath
dest = instBinDir </> outFile
-- Do the copy, creating outFile in the bin dir:
copyFile src dest
-- now invoke the old hook:
oldHook args iflags pDesc lbi
cabalInstallProgram :: Program
cabalInstallProgram = (simpleProgram "cabal") {
programFindVersion = findProgramVersion "--numeric-version" id
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Something went wrong with that request. Please try again.