shaderc: refactor

pkgs/development/compilers/shaderc/default.nix

@@ -7,11 +7,13 @@
   autoSignDarwinBinariesHook,
   cctools,
 }:
-# Like many google projects, shaderc doesn't gracefully support separately compiled dependencies, so we can't easily use
-# the versions of glslang and spirv-tools used by vulkan-loader. Exact revisions are taken from
+# Like many google projects, shaderc doesn't gracefully support separately
+# compiled dependencies, so we can't easily use the versions of glslang and
+# spirv-tools used by vulkan-loader. Exact revisions are taken from
 # https://github.com/google/shaderc/blob/known-good/known_good.json
 
-# Future work: extract and fetch all revisions automatically based on a revision of shaderc's known-good branch.
+# Future work: extract and fetch all revisions automatically based on a revision
+# of shaderc's known-good branch.
 let
   glslang = fetchFromGitHub {
     owner = "KhronosGroup";
@@ -32,7 +34,7 @@ let
     hash = "sha256-Q1i6i5XimULuGufP6mimwDW674anAETUiIEvDQwvg5Y=";
   };
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "shaderc";
   version = "2025.2";
 
@@ -47,7 +49,7 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "google";
     repo = "shaderc";
-    rev = "v${version}";
+    rev = "v${finalAttrs.version}";
     hash = "sha256-u3gmH2lrkwBTZg9j4jInQceXK4MUWhKZPSPsN98mEkk=";
   };
 
@@ -77,14 +79,14 @@ stdenv.mkDerivation rec {
   # Fix the paths in .pc, even though it's unclear if all these .pc are really useful.
   postFixup = ''
     substituteInPlace "$dev"/lib/pkgconfig/*.pc \
-      --replace '=''${prefix}//' '=/' \
-      --replace "$dev/$dev/" "$dev/"
+      --replace-fail '=''${prefix}//' '=/' \
+      --replace-fail "$dev/$dev/" "$dev/"
   '';
 
-  meta = with lib; {
-    inherit (src.meta) homepage;
+  meta = {
     description = "Collection of tools, libraries and tests for shader compilation";
-    platforms = platforms.all;
-    license = [ licenses.asl20 ];
+    inherit (finalAttrs.src.meta) homepage;
+    license = lib.licenses.asl20;
+    platforms = lib.platforms.all;
   };
-}
+})