arrpc: 3.4.0 -> 3.5.0; add systemd user service

pkgs/by-name/ar/arrpc/arrpc.service

@@ -0,0 +1,13 @@
+# https://aur.archlinux.org/cgit/aur.git/tree/arrpc.service?h=arrpc
+
+[Unit]
+Description=arRPC Discord RPC daemon
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=@arrpc@
+Restart=on-failure
+
+[Install]
+WantedBy=default.target

pkgs/by-name/ar/arrpc/package.nix

@@ -5,31 +5,34 @@
 }:
 buildNpmPackage rec {
   pname = "arrpc";
-  version = "3.4.0";
+  version = "3.5.0";
 
   src = fetchFromGitHub {
     owner = "OpenAsar";
     repo = "arrpc";
-    # Release commits are not tagged
-    # release: 3.4.0
-    rev = "cca93db585dedf8acc1423f5e2db215de95c4c3b";
-    hash = "sha256-SeegrCgbjfVxG/9xfOcdfbVdDssZOhjBRnDipu6L7Wg=";
+    tag = version;
+    hash = "sha256-3xkqWcLhmSIH6Al2SvM9qBpdcLzEqUmUCgwYBPAgVpo=";
   };
 
-  npmDepsHash = "sha256-S9cIyTXqCp8++Yj3VjBbcStOjzjgd0Cq7KL7NNzZFpY=";
+  npmDepsHash = "sha256-lw6pngFC2Pnk+I8818TOTwN4r+8IsjvdMYIyTsTi49g=";
 
   dontNpmBuild = true;
 
+  postInstall = ''
+    mkdir -p $out/lib/systemd/user
+    substitute ${./arrpc.service} $out/lib/systemd/user/arrpc.service \
+      --subst-var-by arrpc $out/bin/arrpc
+  '';
+
   meta = {
-    # ideally we would do blob/${version}/changelog.md here
-    # upstream does not tag releases
-    changelog = "https://github.com/OpenAsar/arrpc/blob/${src.rev}/changelog.md";
+    changelog = "https://github.com/OpenAsar/arrpc/blob/${version}/changelog.md";
     description = "Open Discord RPC server for atypical setups";
     homepage = "https://arrpc.openasar.dev/";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [
       anomalocaris
       NotAShelf
+      ulysseszhan
     ];
     mainProgram = "arrpc";
   };