home: limit firefox memory footprint with systemd-run

LEXUGE · Dec 19, 2024 · e435116 · e435116
1 parent 2419266
commit e435116
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/modules/home/default.nix b/modules/home/default.nix
@@ -83,6 +83,30 @@ in
           # Allow fonts to be discovered
           fonts.fontconfig.enable = true;
 
+          xdg.desktopEntries = {
+            # customized firefox desktop entry
+            # per https://github.com/nix-community/home-manager/blob/master/modules/misc/xdg-desktop-entries.nix, our entry will _override_ the existing entry
+            firefox = {
+              name = "Firefox";
+              genericName = "Web Browser";
+              exec = "systemd-run --user --scope -p MemoryLimit=4G firefox --name firefox %U";
+              terminal = false;
+              icon = "${pkgs.firefox-wayland}/share/icons/hicolor/128x128/apps/firefox.png";
+              categories = [
+                "Network"
+                "WebBrowser"
+              ];
+              mimeType = [
+                "text/html"
+                "text/xml"
+                "application/xhtml+xml"
+                "application/vnd.mozilla.xul+xml"
+                "x-scheme-handler/http"
+                "x-scheme-handler/https"
+              ];
+            };
+          };
+
           # Package settings
           programs = {
             # Per directory auto env loading