feat: each browser variant has its own .desktop file

flake.nix

@@ -16,6 +16,7 @@
 
     # https://github.com/zen-browser/desktop/releases/download/1.0.2-b.5/zen.linux-x86_64.tar.bz2
     beta = {
+      name = "beta";
       url = prepareUrl beta_version "x86_64";
       sha256 = beta_hash;
       version = beta_version;
@@ -23,6 +24,7 @@
 
     # https://github.com/zen-browser/desktop/releases/download/twilight/zen.linux-x86_64.tar.bz2
     twilight = {
+      name = "twilight";
       url = prepareUrl "twilight" "x86_64";
       sha256 = "0j5dy58kammrz56j3id149k3kdnc0b2y7h03yq6l1n2fpklxq2kc";
       version = "twilight";
@@ -31,6 +33,7 @@
     pkgs = import nixpkgs {inherit system;};
 
     mkZen = {
+      name,
       url,
       sha256,
       version,
@@ -109,7 +112,7 @@
           ln -s $out/opt/zen/zen $out/bin/zen
           ln -s ${policiesJson} "$out/lib/zen-${version}/distribution/policies.json"
 
-          install -D $desktopSrc/zen.desktop $out/share/applications/zen.desktop
+          install -D $desktopSrc/zen-${name}.desktop $out/share/applications/zen.desktop
 
           install -D $src/browser/chrome/icons/default/default16.png $out/share/icons/hicolor/16x16/apps/zen.png
           install -D $src/browser/chrome/icons/default/default32.png $out/share/icons/hicolor/32x32/apps/zen.png

zen-twilight.desktop

@@ -0,0 +1,25 @@
+[Desktop Entry]
+Name=Zen Browser
+Exec=zen %u
+Icon=zen
+Type=Application
+MimeType=text/html;text/xml;application/xhtml+xml;x-scheme-handler/http;x-scheme-handler/https;application/x-xpinstall;application/pdf;application/json;
+StartupWMClass=zen-twilight
+Categories=Network;WebBrowser;
+StartupNotify=true
+Terminal=false
+X-MultipleArgs=false
+Keywords=Internet;WWW;Browser;Web;Explorer;
+Actions=new-window;new-private-window;profilemanager;
+
+[Desktop Action new-window]
+Name=Open a New Window
+Exec=zen %u
+
+[Desktop Action new-private-window]
+Name=Open a New Private Window
+Exec=zen --private-window %u
+
+[Desktop Action profilemanager]
+Name=Open the Profile Manager
+Exec=zen --ProfileManager %u