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/misc/taskwarrior/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchFromGitHub, cmake, libuuid, gnutls, python3, xdg-utils }:
+
+stdenv.mkDerivation rec {
+  pname = "taskwarrior";
+  version = "2.6.2";
+
+  src = fetchFromGitHub {
+    owner = "GothenburgBitFactory";
+    repo = "taskwarrior";
+    rev = "v${version}";
+    sha256 = "sha256-0YveqiylXJi4cdDCfnPtwCVOJbQrZYsxnXES+9B4Yfw=";
+    fetchSubmodules = true;
+  };
+
+  postPatch = ''
+    substituteInPlace src/commands/CmdNews.cpp \
+      --replace "xdg-open" "${lib.getBin xdg-utils}/bin/xdg-open"
+  '';
+
+  nativeBuildInputs = [ cmake libuuid gnutls python3 ];
+
+  doCheck = true;
+  preCheck = ''
+    patchShebangs --build test
+  '';
+  checkTarget = "test";
+
+  postInstall = ''
+    mkdir -p "$out/share/bash-completion/completions"
+    ln -s "../../doc/task/scripts/bash/task.sh" "$out/share/bash-completion/completions/task.bash"
+    mkdir -p "$out/share/fish/vendor_completions.d"
+    ln -s "../../../share/doc/task/scripts/fish/task.fish" "$out/share/fish/vendor_completions.d/"
+  '';
+
+  meta = with lib; {
+    description = "Highly flexible command-line tool to manage TODO lists";
+    homepage = "https://taskwarrior.org";
+    license = licenses.mit;
+    maintainers = with maintainers; [ marcweber oxalica ];
+    mainProgram = "task";
+    platforms = platforms.unix;
+  };
+}