anchor.diff:    pname = "wire-desktop";
   
     version = {
  +    x86_64-darwin = "3.10.3215";
       x86_64-linux = "3.11.2912";
  -    x86_64-darwin = "3.10.3215";
     }.${system} or throwSystem;
   
     sha256 = {
  +    x86_64-darwin = "0ygm3fgy9k1dp2kjfwsrrwq1i88wgxc6k8y80yz61ivdawgph9wa";
       x86_64-linux = "1d2wa13d750dd2vslnvzf0ibwjmf5s299pxq0rs2x98y2sabw3sl";
  -    x86_64-darwin = "0ygm3fgy9k1dp2kjfwsrrwq1i88wgxc6k8y80yz61ivdawgph9wa";
     }.${system} or throwSystem;
   
     meta = with stdenv.lib; {
  
positive.code: 
      src = fetchurl {
        url = "https://wire-app.wire.com/linux/debian/pool/main/"
          + "Wire-${version}_amd64.deb";
        inherit sha256;
      };
  
      desktopItem = makeDesktopItem {
        name = "wire-desktop";
        exec = "wire-desktop %U";
        icon = "wire-desktop";
        comment = "Secure messenger for everyone";
        desktopName = "Wire Desktop";
        genericName = "Secure messenger";
        categories = "Network;InstantMessaging;Chat;VideoConference";
      };
  
      dontBuild = true;
      dontPatchELF = true;
      dontConfigure = true;
  
      nativeBuildInputs = [ dpkg ];
      rpath = stdenv.lib.makeLibraryPath [
        alsaLib at-spi2-atk atk cairo cups dbus expat fontconfig freetype
        gdk-pixbuf glib gtk3 hunspell libX11 libXScrnSaver libXcomposite
        libXcursor libXdamage libXext libXfixes libXi libXrandr libXrender
        libXtst libnotify libuuid nspr nss pango pciutils pulseaudio
        stdenv.cc.cc udev xdg_utils xorg.libxcb
      ];
  
      unpackPhase = "dpkg-deb -x $src .";
  
      installPhase = ''
        mkdir -p "$out"
        cp -R "opt" "$out"
        cp -R "usr/share" "$out/share"
        chmod -R g-w "$out"
  
        # Patch wire-desktop
        patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
          --set-rpath "${rpath}:$out/opt/Wire" \
          "$out/opt/Wire/wire-desktop"
  
        # Symlink to bin
        mkdir -p "$out/bin"
        ln -s "$out/opt/Wire/wire-desktop" "$out/bin/wire-desktop"
  
        # Desktop file
        mkdir -p "$out/share/applications"
        cp "${desktopItem}/share/applications/"* "$out/share/applications"
      '';
    };
  
  
negative.code: 
      src = fetchurl {
        url = "https://github.com/wireapp/wire-desktop/releases/download/"
        + "macos%2F${version}/Wire.pkg";
        inherit sha256;
      };
  
      buildInputs = [
        cpio
        xar
      ];
  
      unpackPhase = ''
        xar -xf $src
        cd com.wearezeta.zclient.mac.pkg
      '';
  
      buildPhase = ''
        cat Payload | gunzip -dc | cpio -i
  