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/misc/etcher/default.nix

@@ -0,0 +1,83 @@
+{ lib, stdenv
+, fetchurl
+, gcc-unwrapped
+, dpkg
+, util-linux
+, bash
+, makeWrapper
+, electron
+}:
+
+let
+  inherit (stdenv.hostPlatform) system;
+
+  throwSystem = throw "Unsupported system: ${stdenv.hostPlatform.system}";
+
+  sha256 = {
+    "x86_64-linux" = "1yj6ybc99nqpzv2wjmvi7khfb5viwlb2rbjdpvgr4pmlzmiv7n2k";
+    "i686-linux" = "09ddcqxw1jhl8v461ngdgj2l4infn2xiwvaqxi6qp3swci627vmz";
+  }."${system}" or throwSystem;
+
+  arch = {
+    "x86_64-linux" = "amd64";
+    "i686-linux" = "i386";
+  }."${system}" or throwSystem;
+
+in
+
+stdenv.mkDerivation rec {
+  pname = "etcher";
+  version = "1.7.3";
+
+  src = fetchurl {
+    url = "https://github.com/balena-io/etcher/releases/download/v${version}/balena-etcher-electron_${version}_${arch}.deb";
+    inherit sha256;
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  unpackPhase = ''
+    ${dpkg}/bin/dpkg-deb -x $src .
+  '';
+
+  # sudo-prompt has hardcoded binary paths on Linux and we patch them here
+  # along with some other paths
+  postPatch = ''
+    # use Nix(OS) paths
+    substituteInPlace opt/balenaEtcher/resources/app/generated/gui.js \
+      --replace '/usr/bin/pkexec' '/usr/bin/pkexec", "/run/wrappers/bin/pkexec' \
+      --replace '/bin/bash' '${bash}/bin/bash' \
+      --replace '"lsblk"' '"${util-linux}/bin/lsblk"'
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/share/${pname}
+
+    cp -a usr/share/* $out/share
+    cp -a opt/balenaEtcher/{locales,resources} $out/share/${pname}
+
+    substituteInPlace $out/share/applications/balena-etcher-electron.desktop \
+      --replace /opt/balenaEtcher/balena-etcher-electron ${pname}
+
+    runHook postInstall
+  '';
+
+  postFixup = ''
+    makeWrapper ${electron}/bin/electron $out/bin/${pname} \
+      --add-flags $out/share/${pname}/resources/app \
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ gcc-unwrapped.lib ]}"
+  '';
+
+  meta = with lib; {
+    description = "Flash OS images to SD cards and USB drives, safely and easily";
+    homepage = "https://etcher.io/";
+    license = licenses.asl20;
+    maintainers = [ maintainers.shou ];
+    platforms = [ "i686-linux" "x86_64-linux" ];
+  };
+}