radicle-httpd: use finalAttrs pattern

pkgs/by-name/ra/radicle-httpd/package.nix

@@ -10,22 +10,24 @@
   stdenv,
   xdg-utils,
 }:
-rustPlatform.buildRustPackage rec {
+
+rustPlatform.buildRustPackage (finalAttrs: {
   pname = "radicle-httpd";
   version = "0.20.0";
-  env.RADICLE_VERSION = version;
+
+  env.RADICLE_VERSION = finalAttrs.version;
 
   # You must update the radicle-explorer source hash when changing this.
   src = fetchFromRadicle {
     seed = "seed.radicle.xyz";
     repo = "z4V1sjrXqjvFdnCUbxPFqd5p4DtH5";
     node = "z6MkireRatUThvd3qzfKht1S44wpm4FEWSSa4PRMTSQZ3voM";
-    tag = "v${version}";
+    tag = "v${finalAttrs.version}";
     sparseCheckout = [ "radicle-httpd" ];
     hash = "sha256-9rJH4ECqOJ9wnYxCbEFHXo3PlhbPdeOnF+Pf1MzX25c=";
   };
 
-  sourceRoot = "${src.name}/radicle-httpd";
+  sourceRoot = "${finalAttrs.src.name}/radicle-httpd";
 
   cargoHash = "sha256-1GWWtrSYzTXUAgjeWaxyOuDqTDuTMWleug8SmxTHXbI=";
 
@@ -79,4 +81,4 @@ rustPlatform.buildRustPackage rec {
     ];
     mainProgram = "radicle-httpd";
   };
-}
+})