made icon more dynamic

flake.nix

@@ -15,21 +15,22 @@
     name = "starc";
     version = "0.6.4";
 
+    icon = pkgs.fetchurl {
+      url = "https://github.com/story-apps/starc/blob/v${version}/img/starc.png";
+      sha256 = "sha256-wixqb1cV+WEhgxsl2CeOjrid4P0daHqh0O40h2iPst4=";
+    };
+
     desktopItem = pkgs.makeDesktopItem {
       exec = name;
 
       inherit name;
       desktopName = "Story Architect";
       genericName = "Storywriting Software";
+
+      icon = name;
+
       comment = "Advanced text editor for script writers.";
       categories = ["Office" "TextEditor" "Utility"];
-
-      mimeTypes = ["application/x-${name}"];
-
-      icon = pkgs.fetchurl {
-        url = "https://github.com/story-apps/starc/blob/v${version}/img/starc.png";
-        sha256 = "sha256-wixqb1cV+WEhgxsl2CeOjrid4P0daHqh0O40h2iPst4=";
-      };
     };
   in {
     packages.${system} = {
@@ -42,6 +43,8 @@
         };
 
         extraInstallCommands = ''
+          mkdir -p $out/share/icons/hicolor/1024x1024/apps/
+          ln -s "${icon}" $out/share/icons/hicolor/1024x1024/apps/${name}.png
           ln -s "${desktopItem}/share" $out/share
         '';
       };