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/window-managers/yabar/build.nix

@@ -0,0 +1,72 @@
+{ stdenv, fetchFromGitHub, cairo, gdk-pixbuf, libconfig, pango, pkg-config
+, xcbutilwm, alsa-lib, wirelesstools, asciidoc, libxslt, makeWrapper, docbook_xsl
+, configFile ? null, lib
+, rev, sha256, version, patches ? []
+}:
+
+stdenv.mkDerivation {
+  pname = "yabar";
+  inherit version;
+
+  src = fetchFromGitHub {
+    inherit rev sha256;
+
+    owner = "geommer";
+    repo  = "yabar";
+  };
+
+  inherit patches;
+
+  hardeningDisable = [ "format" ];
+
+  strictDeps = true;
+  depsBuildBuild = [
+    pkg-config
+  ];
+  nativeBuildInputs = [
+    pkg-config
+    asciidoc
+    docbook_xsl
+    libxslt
+    makeWrapper
+    libconfig
+    pango
+  ];
+  buildInputs = [
+    cairo
+    gdk-pixbuf
+    libconfig
+    pango
+    xcbutilwm
+    alsa-lib
+    wirelesstools
+  ];
+
+  postPatch = ''
+    substituteInPlace ./Makefile \
+      --replace "\$(shell git describe)" "${version}" \
+      --replace "a2x" "a2x --no-xmllint"
+  '';
+
+  makeFlags = [ "DESTDIR=$(out)" "PREFIX=/" ];
+
+  postInstall = ''
+    mkdir -p $out/share/yabar/examples
+    cp -v examples/*.config $out/share/yabar/examples
+
+    ${lib.optionalString (configFile != null)
+      ''
+        wrapProgram "$out/bin/yabar" \
+          --add-flags "-c ${configFile}"
+      ''
+    }
+  '';
+
+  meta = with lib; {
+    description = "A modern and lightweight status bar for X window managers";
+    homepage    = "https://github.com/geommer/yabar";
+    license     = licenses.mit;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ ];
+  };
+}