move prolog to nix

packages/prolog/8.2.4/build.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-PREFIX=$(realpath $(dirname $0))
-
-mkdir -p build
-
-cd build
-
-# Source compile
-curl -L "https://www.swi-prolog.org/download/stable/src/swipl-8.2.4.tar.gz" -o swipl.tar.gz
-tar xzf swipl.tar.gz --strip-components=1
-rm swipl.tar.gz
-
-mkdir build
-cd build
-cmake -DCMAKE_INSTALL_PREFIX="$PREFIX" -DSWIPL_PACKAGES_JAVA=OFF -DSWIPL_PACKAGES_X=OFF -DMULTI_THREADED=OFF -DINSTALL_DOCUMENTATION=OFF ..
-make -j$(nproc)
-make install -j$(nproc)
-
-cd ../../
-
-rm -rf build

packages/prolog/8.2.4/environment

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

packages/prolog/8.2.4/metadata.json

@@ -1,5 +0,0 @@
-{
-    "language": "prolog",
-    "version": "8.2.4",
-    "aliases": ["prolog", "plg"]
-}

packages/prolog/8.2.4/run

@@ -1,4 +0,0 @@
-#!/usr/bin/env bash
-
-# Put instructions to run the runtime
-swipl -g true -t halt "$@"

packages/prolog/8.2.4/test.prolog

@@ -1 +0,0 @@
-:- write('OK'), nl.

runtimes/default.nix

@@ -24,4 +24,5 @@ args: {
     "raku" = import ./raku.nix args;
     "racket" = import ./racket.nix args;
     "powershell" = import ./powershell.nix args;
+    "prolog" = import ./prolog.nix args;
 }

runtimes/prolog.nix

@@ -0,0 +1,29 @@
+{pkgs, piston, ...}:
+let
+    pkg = pkgs.swiProlog;
+in piston.mkRuntime {
+    language = "prolog";
+    version = pkg.version;
+
+    aliases = [
+        "plg"
+    ];
+    
+    run = ''
+        ${pkg}/bin/swipl -g true -t halt "$@"
+    '';
+
+    tests = [
+        (piston.mkTest {
+            files = {
+                "test.pl" = ''
+                    :- write('OK'), nl.
+                '';
+            };
+            args = [];
+            stdin = "";
+            packages = [];
+            main = "test.pl";
+        })
+    ];
+}