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/security/nmap/qt.nix

@@ -0,0 +1,60 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, wrapQtAppsHook
+, dnsutils
+, nmap
+, qtbase
+, qtscript
+, qtwebengine
+}:
+
+stdenv.mkDerivation rec {
+  pname = "nmapsi4";
+  version = "0.5-alpha2";
+
+  src = fetchFromGitHub {
+    owner = "nmapsi4";
+    repo = "nmapsi4";
+    rev = "v${version}";
+    sha256 = "sha256-q3XfwJ4TGK4E58haN0Q0xRH4GDpKD8VZzyxHe/VwBqY=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
+
+  buildInputs = [ qtbase qtscript qtwebengine ];
+
+  postPatch = ''
+    substituteInPlace src/platform/digmanager.cpp \
+      --replace '"dig"' '"${dnsutils}/bin/dig"'
+    substituteInPlace src/platform/discover.cpp \
+        --replace '"nping"' '"${nmap}/bin/nping"'
+    for f in \
+      src/platform/monitor/monitor.cpp \
+      src/platform/nsemanager.cpp ; do
+
+      substituteInPlace $f \
+        --replace '"nmap"'  '"${nmap}/bin/nmap"'
+    done
+  '';
+
+  postInstall = ''
+    mv $out/share/applications/kde4/*.desktop $out/share/applications
+    rmdir $out/share/applications/kde4
+
+    for f in $out/share/applications/* ; do
+      substituteInPlace $f \
+        --replace Qt4                   Qt5 \
+        --replace Exec=nmapsi4          Exec=$out/bin/nmapsi4 \
+        --replace "Exec=kdesu nmapsi4" "Exec=kdesu $out/bin/nmapsi4"
+    done
+  '';
+
+  meta = with lib; {
+    description = "Qt frontend for nmap";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ peterhoeg ];
+    inherit (src.meta) homepage;
+  };
+}