ticktick: add arch64 binary

pkgs/by-name/ti/ticktick/package.nix

@@ -14,14 +14,26 @@
   xdg-utils,
   systemd,
 }:
+let
+  baseUrl = "https://d2atcrkye2ik4e.cloudfront.net/download";
+in
 stdenv.mkDerivation (finalAttrs: {
   pname = "ticktick";
   version = "6.0.21";
 
-  src = fetchurl {
-    url = "https://d2atcrkye2ik4e.cloudfront.net/download/linux/linux_deb_x64/ticktick-${finalAttrs.version}-amd64.deb";
-    hash = "sha256-e5N20FL2c6XdkDax0SMGigLuatXKZxb9c53sqQ5XVtM=";
-  };
+  src =
+    if stdenv.hostPlatform.system == "x86_64-linux" then
+      fetchurl {
+        url = "${baseUrl}/linux/linux_deb_x64/ticktick-${finalAttrs.version}-amd64.deb";
+        hash = "sha256-e5N20FL2c6XdkDax0SMGigLuatXKZxb9c53sqQ5XVtM=";
+      }
+    else if stdenv.hostPlatform.system == "aarch64-linux" then
+      fetchurl {
+        url = "${baseUrl}/linux/linux_deb_arm64/ticktick-${finalAttrs.version}-arm64.deb";
+        hash = "sha256-6/nzPL+TeEE31S0ngmsUFPZEfWtt4PVAEkMqSa8OpYI=";
+      }
+    else
+      throw "Unsupported system: ${stdenv.hostPlatform.system}";
 
   nativeBuildInputs = [
     wrapGAppsHook3
@@ -40,9 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   # Needed to make the process get past zygote_linux fork()'ing
-  runtimeDependencies = [
-    systemd
-  ];
+  runtimeDependencies = [ systemd ];
 
   unpackPhase = ''
     runHook preUnpack
@@ -71,8 +81,14 @@ stdenv.mkDerivation (finalAttrs: {
     description = "Powerful to-do & task management app with seamless cloud synchronization across all your devices";
     homepage = "https://ticktick.com/home/";
     license = licenses.unfree;
-    maintainers = with maintainers; [ hbjydev ];
-    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [
+      hbjydev
+      jonocodes
+    ];
+    platforms = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
     sourceProvenance = with sourceTypes; [ binaryNativeCode ];
   };
 })