From f6f259214b1b00e18dd14f5a66d65b06842e6349 Mon Sep 17 00:00:00 2001
From: Andreas Schmid <service@aaschmid.de>
Date: Sat, 11 Dec 2021 09:22:31 +0100
Subject: [PATCH] add nix version 2.4 compatibility

Signed-off-by: Andreas Schmid <service@aaschmid.de>
---
 , | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/, b/,
index 875fa30..df35659 100755
--- a/,
+++ b/,
@@ -40,5 +40,15 @@ fi
 if [[ -n $install ]]; then
   nix-env -iA "nixpkgs.${attr%%.*}"
 else
-  nix run "nixpkgs.${attr}" -c "${argv0}" "$@"
+  nix_version_greater_or_equal() {
+    local nix_version
+    nix_version=$(nix --version | cut -f3 -d ' ')
+    printf '%s\n%s' "$1" "$nix_version" | sort -C -V
+  }
+
+  if nix_version_greater_or_equal "2.4"; then
+    nix --extra-experimental-features 'nix-command flakes' shell "nixpkgs#${attr}" -c "${argv0}" "$@"
+  else
+    nix run "nixpkgs.${attr}" -c "${argv0}" "$@"
+  fi
 fi