From bc2036486c3dab726234a38a722b1b719c41e925 Mon Sep 17 00:00:00 2001
From: Dan Vargas <danvargas46@gmail.com>
Date: Wed, 16 Feb 2022 09:10:46 -0700
Subject: [PATCH] add piston nix pkg for go

---
 packages/go/1.16.2/build.sh      |  5 -----
 packages/go/1.16.2/environment   |  2 --
 packages/go/1.16.2/metadata.json |  5 -----
 packages/go/1.16.2/run           |  7 ------
 packages/go/1.16.2/test.go       |  7 ------
 runtimes/default.nix             |  1 +
 runtimes/go.nix                  | 38 ++++++++++++++++++++++++++++++++
 7 files changed, 39 insertions(+), 26 deletions(-)
 delete mode 100755 packages/go/1.16.2/build.sh
 delete mode 100644 packages/go/1.16.2/environment
 delete mode 100644 packages/go/1.16.2/metadata.json
 delete mode 100644 packages/go/1.16.2/run
 delete mode 100644 packages/go/1.16.2/test.go
 create mode 100644 runtimes/go.nix

diff --git a/packages/go/1.16.2/build.sh b/packages/go/1.16.2/build.sh
deleted file mode 100755
index 5cf70f9..0000000
--- a/packages/go/1.16.2/build.sh
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-curl -LO https://golang.org/dl/go1.16.2.linux-amd64.tar.gz
-tar -xzf go1.16.2.linux-amd64.tar.gz
-rm go1.16.2.linux-amd64.tar.gz
-
diff --git a/packages/go/1.16.2/environment b/packages/go/1.16.2/environment
deleted file mode 100644
index 88299c1..0000000
--- a/packages/go/1.16.2/environment
+++ /dev/null
@@ -1,2 +0,0 @@
-export PATH=$PWD/go/bin:$PATH
-export GOPATH=$PWD/gopath
diff --git a/packages/go/1.16.2/metadata.json b/packages/go/1.16.2/metadata.json
deleted file mode 100644
index 0144808..0000000
--- a/packages/go/1.16.2/metadata.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "language": "go",
-    "version": "1.16.2",
-    "aliases": ["go", "golang"]
-}
diff --git a/packages/go/1.16.2/run b/packages/go/1.16.2/run
deleted file mode 100644
index 65c9a4f..0000000
--- a/packages/go/1.16.2/run
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-mv $1 $1.go
-#filename=$1.go
-filename=*.go
-shift
-GOCACHE=$PWD go run $filename "$@"
diff --git a/packages/go/1.16.2/test.go b/packages/go/1.16.2/test.go
deleted file mode 100644
index c06f485..0000000
--- a/packages/go/1.16.2/test.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package main
-
-import "fmt"
-
-func main() {
-	fmt.Println("OK")
-}
diff --git a/runtimes/default.nix b/runtimes/default.nix
index cad9dd2..807d46d 100644
--- a/runtimes/default.nix
+++ b/runtimes/default.nix
@@ -44,4 +44,5 @@ args: {
     "iverilog" = import ./iverilog.nix args;
     "ghc-haskell" = import ./ghc-haskell.nix args;
     "groovy" = import ./groovy.nix args;
+    "go" = import ./go.nix args;
 }
diff --git a/runtimes/go.nix b/runtimes/go.nix
new file mode 100644
index 0000000..d4b12e3
--- /dev/null
+++ b/runtimes/go.nix
@@ -0,0 +1,38 @@
+{pkgs, piston, ...}:
+let
+    pkg = pkgs.go;
+in piston.mkRuntime {
+    language = "go";
+    version = pkg.version;
+
+    aliases = [
+        "golang"
+    ];
+
+    run = ''
+        mv $1 $1.go
+        filename=*.go
+        shift
+        GOCACHE=$PWD ${pkg}/bin/go run $filename "$@"
+    '';
+
+    tests = [
+        (piston.mkTest {
+            files = {
+                "test.go" = ''
+                    package main
+
+                    import "fmt"
+
+                    func main() {
+                        fmt.Println("OK")
+                    }
+                '';
+            };
+            args = [];
+            stdin = "";
+            packages = [];
+            main = "test.go";
+        })
+    ];
+}
\ No newline at end of file