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nixpkgs/pkgs/development/tools/haskell/haste/haste-compiler.nix

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{ mkDerivation
, overrideCabal
, super-haste-compiler
}:
overrideCabal super-haste-compiler (drv: {
configureFlags = [ "-f-portable" ];
prePatch = ''
# Get ghc libdir by invoking ghc and point to haste-cabal binary
substituteInPlace src/Haste/Environment.hs \
--replace \
'hasteGhcLibDir = hasteSysDir' \
'hasteGhcLibDir = head $ lines $ either (error . show) id $ unsafePerformIO $ shell $ run "ghc" ["--print-libdir"] ""' \
--replace \
'hasteCabalBinary = hasteBinDir </> "haste-cabal" ++ binaryExt' \
'hasteCabalBinary = "haste-cabal" ++ binaryExt'
# Don't try to download/install haste-cabal in haste-boot:
patch src/haste-boot.hs << EOF
@@ -178,10 +178,6 @@
pkgSysLibDir, jsmodSysDir, pkgSysDir]
mkdir True (hasteCabalRootDir portableHaste)
- case getHasteCabal cfg of
- Download -> installHasteCabal portableHaste tmpdir
- Prebuilt fp -> copyHasteCabal portableHaste fp
- Source mdir -> buildHasteCabal portableHaste (maybe "../cabal" id mdir)
-- Spawn off closure download in the background.
dir <- pwd -- use absolute path for closure to avoid dir changing race
EOF
'';
})