lldap: make package more overridable

pkgs/by-name/ll/lldap/package.nix

@@ -2,7 +2,6 @@
   binaryen,
   fetchFromGitHub,
   lib,
-  lldap,
   makeWrapper,
   nixosTests,
   rustPlatform,
@@ -15,95 +14,27 @@
   curl,
   staticAssetsHash ? "sha256-xVbHD9s3ofbtHCDvjYwmsWXDEJ9z9vRxQDRR6pW6rt8=",
 }:
-
-let
-  version = "0.6.2";
-
-  commonDerivationAttrs = {
+rustPlatform.buildRustPackage (
+  finalAttrs: {
     pname = "lldap";
-    inherit version;
+    version = "0.6.2";
 
     src = fetchFromGitHub {
       owner = "lldap";
       repo = "lldap";
-      rev = "v${version}";
+      rev = "v${finalAttrs.version}";
       hash = "sha256-UBQWOrHika8X24tYdFfY8ETPh9zvI7/HV5j4aK8Uq+Y=";
     };
 
     cargoHash = "sha256-SO7+HiiXNB/KF3fjzSMeiTPjRQq/unEfsnplx4kZv9c=";
-  };
+    ## workaround for overrideAttrs on buildRustPackage
+    ## see https://discourse.nixos.org/t/is-it-possible-to-override-cargosha256-in-buildrustpackage/4393/3
+    cargoDeps = rustPlatform.fetchCargoVendor {
+      name = "${finalAttrs.pname}-cargo-deps";
+      inherit (finalAttrs) src patches;
+      hash = finalAttrs.cargoHash;
+    };
 
-  staticAssets =
-    src:
-    runCommand "${commonDerivationAttrs.pname}-static-assets"
-      {
-        outputHash = staticAssetsHash;
-        outputHashAlgo = "sha256";
-        outputHashMode = "recursive";
-
-        inherit src;
-
-        nativeBuildInputs = [
-          curl
-        ];
-
-        env.SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
-      }
-      ''
-        mkdir $out
-        mkdir $out/fonts
-        for file in $(cat ${src}/app/static/libraries.txt); do
-          curl $file --location --remote-name --output-dir $out
-        done
-        for file in $(cat ${src}/app/static/fonts/fonts.txt); do
-          curl $file --location --remote-name --output-dir $out/fonts
-        done
-      '';
-
-  frontend = rustPlatform.buildRustPackage (
-    finalAttrs:
-    commonDerivationAttrs
-    // {
-      pname = commonDerivationAttrs.pname + "-frontend";
-
-      nativeBuildInputs = [
-        wasm-pack
-        wasm-bindgen-cli_0_2_100
-        binaryen
-        which
-        rustc
-        rustc.llvmPackages.lld
-      ];
-
-      buildPhase = ''
-        runHook preBuild
-
-        HOME=`pwd` ./app/build.sh
-
-        runHook postBuild
-      '';
-
-      installPhase = ''
-        runHook preInstall
-
-        mkdir -p $out
-        cp -R app/{pkg,static} $out/
-        cp app/index_local.html $out/index.html
-        cp -R ${staticAssets finalAttrs.src}/* $out/static
-        rm $out/static/libraries.txt $out/static/fonts/fonts.txt
-
-        runHook postInstall
-      '';
-
-      doCheck = false;
-    }
-  );
-
-in
-rustPlatform.buildRustPackage (
-  finalAttrs:
-  commonDerivationAttrs
-  // {
     cargoBuildFlags = [
       "-p"
       "lldap"
@@ -120,16 +51,65 @@ rustPlatform.buildRustPackage (
     '';
 
     passthru = {
-      inherit frontend;
+
+      frontend = rustPlatform.buildRustPackage {
+        inherit (finalAttrs) version src cargoDeps patches;
+        pname = finalAttrs.pname + "-frontend";
+        nativeBuildInputs = [
+          wasm-pack
+          wasm-bindgen-cli_0_2_100
+          binaryen
+          which
+          rustc
+          rustc.llvmPackages.lld
+        ];
+        buildPhase = ''
+          runHook preBuild
+          HOME=`pwd` ./app/build.sh
+          runHook postBuild
+        '';
+        installPhase = ''
+          runHook preInstall
+          mkdir -p $out
+          cp -R app/{pkg,static} $out/
+          cp app/index_local.html $out/index.html
+          cp -R ${finalAttrs.finalPackage.staticAssets}/* $out/static
+          rm $out/static/libraries.txt $out/static/fonts/fonts.txt
+          runHook postInstall
+        '';
+        doCheck = false;
+      };
+
+      staticAssets = runCommand "${finalAttrs.pname}-static-assets" {
+        outputHash = staticAssetsHash;
+        outputHashAlgo = "sha256";
+        outputHashMode = "recursive";
+        inherit (finalAttrs) src;
+        nativeBuildInputs = [
+          curl
+        ];
+        env.SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
+      } ''
+        mkdir $out
+        mkdir $out/fonts
+        for file in $(cat $src/app/static/libraries.txt); do
+          curl $file --location --remote-name --output-dir $out
+        done
+        for file in $(cat $src/app/static/fonts/fonts.txt); do
+          curl $file --location --remote-name --output-dir $out/fonts
+        done
+      '';
+
       tests = {
         inherit (nixosTests) lldap;
       };
+
     };
 
     meta = {
       description = "Lightweight authentication server that provides an opinionated, simplified LDAP interface for authentication";
       homepage = "https://github.com/lldap/lldap";
-      changelog = "https://github.com/lldap/lldap/blob/v${lldap.version}/CHANGELOG.md";
+      changelog = "https://github.com/lldap/lldap/blob/v${finalAttrs.version}/CHANGELOG.md";
       license = lib.licenses.gpl3Only;
       platforms = lib.platforms.linux;
       maintainers = with lib.maintainers; [