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/tools/wayland/swaycwd/default.nix

@@ -0,0 +1,37 @@
+{ lib
+, nimPackages
+, fetchFromGitLab
+, enableShells ? [ "bash" "zsh" "fish" "sh" "posh" ]
+}:
+nimPackages.buildNimPackage rec{
+  pname = "swaycwd";
+  version = "0.0.2";
+
+  src = fetchFromGitLab {
+    owner = "cab404";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-OZWOPtOqcX+fVQCxWntrn98EzFu70WH55rfYCPDMSKk=";
+  };
+
+  preConfigure = ''
+    {
+      echo 'let enabledShells: seq[string] = @${builtins.toJSON enableShells}'
+      echo 'export enabledShells'
+    } > shells.nim
+    cat << EOF > swaycwd.nimble
+    srcDir = "."
+    bin = "swaycwd"
+    EOF
+  '';
+
+  nimFlags = [ "--opt:speed" ];
+
+  meta = with lib; {
+    homepage = "https://gitlab.com/cab404/swaycwd";
+    description = "Returns cwd for shell in currently focused sway window, or home directory if cannot find shell";
+    maintainers = with maintainers; [ cab404 ];
+    platforms = platforms.linux;
+    license = licenses.gpl3Only;
+  };
+}