From bc80269ce2268282062d51dff590d8c3a8a793f7 Mon Sep 17 00:00:00 2001
From: Dan Vargas <danvargas46@gmail.com>
Date: Sun, 6 Feb 2022 22:26:23 -0700
Subject: [PATCH] fix swift version

---
 runtimes/swift.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtimes/swift.nix b/runtimes/swift.nix
index 9d9d728..f1a39d4 100644
--- a/runtimes/swift.nix
+++ b/runtimes/swift.nix
@@ -3,7 +3,7 @@ let
     pkg = pkgs.swift;
 in piston.mkRuntime {
     language = "swift";
-    version = "5.4.2"; # pkg.version attribute is missing, so pinning it to 5.4.2
+    version = (builtins.parseDrvName pkg.name).version;
     aliases = [];
 
     run = ''
@@ -23,4 +23,4 @@ in piston.mkRuntime {
             main = "file0.code";
         })
     ];
-}
\ No newline at end of file
+}