From 1c3996df67cb154e36db35fca82cadb1d118dc4f Mon Sep 17 00:00:00 2001
From: Yvan Sraka <yvan@sraka.xyz>
Date: Thu, 4 Apr 2024 10:02:32 +0200
Subject: [PATCH] Update cross-js.nix

Co-authored-by: Moritz Angermann <moritz.angermann@gmail.com>
---
 cross-js.nix | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/cross-js.nix b/cross-js.nix
index 18adde7..1f18f9e 100644
--- a/cross-js.nix
+++ b/cross-js.nix
@@ -62,10 +62,12 @@ pkgs.mkShell ({
     inherit (quirks) CABAL_PROJECT_LOCAL_TEMPLATE;
 
     shellHook =
-        let flavor = ''${compiler-nix-name}-js${
-        (if !withHLS && !withHlint then "-minimal" else "") +
-        (if withIOG then "-iog" else "")
-    }''; in with pkgs; ''
+        with pkgs;
+        let flavor = "${compiler-nix-name}-js"
+                   + lib.optionalString (!withHLS && !withHlint) "-minimal"
+                   + lib.optionalString withIOG                  "-iog"
+                   ;
+        in ''
         export PS1="\[\033[01;33m\][\w]$\[\033[00m\] "
         ${figlet}/bin/figlet -f rectangles 'IOG Haskell Shell'
         ${figlet}/bin/figlet -f small "*= JS edition =*"