add piston nix pkg for ghc-haskell

packages/haskell/9.0.1/build.sh

@@ -1,19 +0,0 @@
-#!/bin/bash
-
-PREFIX=$(realpath $(dirname $0))
-
-mkdir -p build
-
-cd build
-
-# Platform specific because a true source compile would require GHC to be installed already on the latest
-curl -L "https://downloads.haskell.org/~ghc/9.0.1/ghc-9.0.1-x86_64-deb10-linux.tar.xz" -o ghc.tar.xz
-tar xf ghc.tar.xz --strip-components=1
-rm ghc.tar.xz
-
-./configure --prefix="$PREFIX"
-make install -j$(nproc)
-
-cd ../
-
-rm -rf build

packages/haskell/9.0.1/compile

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-
-# Compile haskell file(s)
-rename 's/$/\.hs/' "$@" # Add .hs extension
-ghc -dynamic -v0 -o out *.hs
-chmod +x out

packages/haskell/9.0.1/environment

@@ -1 +0,0 @@
-export PATH=$PWD/bin:$PATH

packages/haskell/9.0.1/metadata.json

@@ -1,5 +0,0 @@
-{
-    "language": "haskell",
-    "version": "9.0.1",
-    "aliases": ["haskell", "hs"]
-}

packages/haskell/9.0.1/run

@@ -1,4 +0,0 @@
-#!/bin/bash
-
-shift # Filename is only used to compile
-./out "$@"

packages/haskell/9.0.1/test.hs

@@ -1 +0,0 @@
-main = putStrLn "OK"