From 193fc2e67a85f13596860e8af30d99fb525c8267 Mon Sep 17 00:00:00 2001
From: Max <max@privatevoid.net>
Date: Tue, 29 Mar 2022 20:12:33 +0200
Subject: [PATCH] use fromTOML on Nix >= 2.6.0

---
 grammars.nix | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/grammars.nix b/grammars.nix
index bcd2c2fa905e..ada14aaf9847 100644
--- a/grammars.nix
+++ b/grammars.nix
@@ -5,8 +5,10 @@ let
   languages-json = runCommand "languages-toml-to-json" { } ''
     ${yj}/bin/yj -t < ${./languages.toml} > $out
   '';
-  languagesConfig =
-    builtins.fromJSON (builtins.readFile (builtins.toPath languages-json));
+  languagesConfig = if lib.versionAtLeast builtins.nixVersion "2.6.0" then
+      builtins.fromTOML (builtins.readFile ./languages.toml)
+    else
+      builtins.fromJSON (builtins.readFile (builtins.toPath languages-json));
   isGitGrammar = (grammar:
     builtins.hasAttr "source" grammar && builtins.hasAttr "git" grammar.source
     && builtins.hasAttr "rev" grammar.source);