1 files changed, 5 insertions, 0 deletions

diff --git a/shell.nix b/shell.nix
index ad10de87..a8239dc8 100644
--- a/shell.nix
+++ b/shell.nix
@@ -8,6 +8,10 @@ let
       wrapProgram $out/bin/nix --add-flags '--option experimental-features "nix-command flakes"'
     '';
   };
+
+  tai64dec = pkgs.writeShellScriptBin "tai64dec" ''
+    echo $((16#$(${pkgs.daemontools}/bin/tai64n <<<"" | ${pkgs.coreutils}/bin/tail -c +2 | ${pkgs.coreutils}/bin/head -c 16)))
+  '';
 in pkgs.mkShell {
   name = "nixos";
   nativeBuildInputs = with pkgs; [
@@ -17,5 +21,6 @@ in pkgs.mkShell {
     gup
     nftables
     deploy-rs
+    tai64dec
   ];
 }