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/development/tools/build-managers/redo-apenwarr/default.nix

@@ -0,0 +1,72 @@
+{ stdenv, lib, python3, fetchFromGitHub, which, coreutils
+, perl, installShellFiles
+, doCheck ? true
+}: stdenv.mkDerivation rec {
+
+  pname = "redo-apenwarr";
+  version = "0.42d";
+
+  src = fetchFromGitHub rec {
+    owner = "apenwarr";
+    repo = "redo";
+    rev = "${repo}-${version}";
+    sha256 = "/QIMXpVhVLAIJa3LiOlRKzbUztIWZygkWZUKN4Nrh+M=";
+  };
+
+  postPatch = ''
+
+    patchShebangs minimal/do
+
+  '' + lib.optionalString doCheck ''
+    unset CC CXX
+
+    substituteInPlace minimal/do.test \
+      --replace "/bin/pwd" "${coreutils}/bin/pwd"
+
+    substituteInPlace t/105-sympath/all.do \
+      --replace "/bin/pwd" "${coreutils}/bin/pwd"
+
+    substituteInPlace t/all.do \
+      --replace "/bin/ls" "ls"
+
+    substituteInPlace t/110-compile/hello.o.do \
+      --replace "/usr/include" "${lib.getDev stdenv.cc.libc}/include"
+
+    substituteInPlace t/200-shell/nonshelltest.do \
+      --replace "/usr/bin/env perl" "${perl}/bin/perl"
+
+  '';
+
+  inherit doCheck;
+
+  checkTarget = "test";
+
+  outputs = [ "out" "man" ];
+
+  installFlags = [
+    "PREFIX=$(out)"
+    "DESTDIR=/"
+  ];
+
+  nativeBuildInputs = [
+    python3
+    (with python3.pkgs; [ beautifulsoup4 markdown ])
+    which
+    installShellFiles
+  ];
+
+  postInstall = ''
+    installShellCompletion --bash contrib/bash_completion.d/redo
+  '';
+
+  meta = with lib; {
+    description = "Smaller, easier, more powerful, and more reliable than make. An implementation of djb's redo";
+    homepage = "https://github.com/apenwarr/redo";
+    maintainers = with maintainers; [
+      andrewchambers
+      ck3d
+    ];
+    license = licenses.asl20;
+    platforms = python3.meta.platforms;
+  };
+}