From b9b360217c9f8e42cc8a71151e3c61cb2b41b076 Mon Sep 17 00:00:00 2001
From: Aidan Gauland <aidalgol@fastmail.net>
Date: Mon, 26 Jun 2023 17:44:57 +1200
Subject: [PATCH] ruby-modules/gem-config: Add fix for sass-embedded

---
 pkgs/development/ruby-modules/gem-config/default.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 22794da25167..ddcad32eda6e 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -25,7 +25,7 @@
 , cairo, re2, rake, gobject-introspection, gdk-pixbuf, zeromq, czmq, graphicsmagick, libcxx
 , file, libvirt, glib, vips, taglib, libopus, linux-pam, libidn, protobuf, fribidi, harfbuzz
 , bison, flex, pango, python3, patchelf, binutils, freetds, wrapGAppsHook, atk
-, bundler, libsass, libexif, libselinux, libsepol, shared-mime-info, libthai, libdatrie
+, bundler, libsass, dart-sass, libexif, libselinux, libsepol, shared-mime-info, libthai, libdatrie
 , CoreServices, DarwinTools, cctools, libtool, discount, exiv2, libmaxminddb, libyaml
 , autoSignDarwinBinariesHook, fetchpatch
 }@args:
@@ -706,6 +706,16 @@ in
     buildFlags = [ "--disable-lto" ];
   });
 
+  sass-embedded = attrs: {
+    # Patch the Rakefile to use our dart-sass and not try to fetch anything.
+    dontBuild = false;
+    postPatch = ''
+      substituteInPlace ext/sass/Rakefile \
+        --replace \'dart-sass/sass\' \'${dart-sass}/bin/sass\' \
+        --replace ' => %w[dart-sass]' ""
+    '';
+  };
+
   scrypt = attrs: lib.optionalAttrs stdenv.isDarwin {
     dontBuild = false;
     postPatch = ''