uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/applications/networking/ssb-patchwork/default.nix

@@ -0,0 +1,53 @@
+{ appimageTools, symlinkJoin, lib, fetchurl, makeDesktopItem }:
+
+let
+  pname = "ssb-patchwork";
+  version = "3.18.1";
+  name = "Patchwork-${version}";
+
+  src = fetchurl {
+    url = "https://github.com/ssbc/patchwork/releases/download/v${version}/${name}.AppImage";
+    sha256 = "F8n6LLbgkg3z55lSY60T+pn2lra8aPt6Ztepw1gf2rI=";
+  };
+
+  binary = appimageTools.wrapType2 {
+    name = pname;
+    inherit src;
+  };
+  # we only use this to extract the icon
+  appimage-contents = appimageTools.extractType2 {
+    inherit name src;
+  };
+
+  desktopItem = makeDesktopItem {
+    name = "ssb-patchwork";
+    exec = "${binary}/bin/ssb-patchwork";
+    icon = "ssb-patchwork.png";
+    comment = "Client for the decentralized social network Secure Scuttlebutt";
+    desktopName = "Patchwork";
+    genericName = "Patchwork";
+    categories = [ "Network" ];
+  };
+
+in
+  symlinkJoin {
+    inherit name;
+    paths = [ binary ];
+
+    postBuild = ''
+      mkdir -p $out/share/pixmaps/ $out/share/applications
+      cp ${appimage-contents}/ssb-patchwork.png $out/share/pixmaps
+      cp ${desktopItem}/share/applications/* $out/share/applications/
+    '';
+
+    meta = with lib; {
+      description = "A decentralized messaging and sharing app built on top of Secure Scuttlebutt (SSB)";
+      longDescription = ''
+        sea-slang for gossip - a scuttlebutt is basically a watercooler on a ship.
+      '';
+      homepage = "https://www.scuttlebutt.nz/";
+      license = licenses.agpl3;
+      maintainers = with maintainers; [ asymmetric ninjatrappeur cyplo ];
+      platforms = [ "x86_64-linux" ];
+    };
+  }