Patch reserved shortcuts out of firefox.

common-sw.nix

@@ -1,6 +1,10 @@
 { config, pkgs, ... }:
 
 {
+  imports = [
+    ./fix-firefox.nix
+  ];
+
   environment.systemPackages = with pkgs.haskellPackages; with pkgs; [
     gmpc
     m4

fix-firefox.nix

@@ -0,0 +1,26 @@
+{ config, pkgs, ... }:
+
+# unreserve ctrl+w shortcuts
+
+{
+  nixpkgs.config.packageOverrides = pkgs: with pkgs; {
+    firefox-unwrapped = stdenv.mkDerivation {
+      inherit (firefox-unwrapped) name version;
+
+      buildCommand = ''
+        mkdir -p $out
+        cp -ra ${firefox-unwrapped}/. $out/.
+        chmod +w -R $out
+        sed -i "s|${firefox-unwrapped}|$out|" $out/bin/firefox
+        sed -i 's/reserved="true"/               /g' $out/lib/firefox/browser/omni.ja
+      '';
+
+      inherit (firefox-unwrapped) meta;
+      passthru = {
+        inherit (firefox-unwrapped.passthru) version isFirefox3Like gtk
+          nspr gssSupport browserName ffmpegSupport gtk3;
+      };
+    };
+  };
+}
+