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/networking/inetutils/default.nix

@@ -0,0 +1,80 @@
+{ stdenv, lib, fetchurl, ncurses, perl, help2man
+, apparmorRulesFromClosure
+}:
+
+stdenv.mkDerivation rec {
+  pname = "inetutils";
+  version = "2.2";
+
+  src = fetchurl {
+    url = "mirror://gnu/${pname}/${pname}-${version}.tar.xz";
+    sha256 = "sha256-1Uf2kXLfc6/vaRoPeIYoD9eBrOoo3vT/S0shIIaonYA";
+  };
+
+  outputs = ["out" "apparmor"];
+
+  patches = [
+    # https://git.congatec.com/yocto/meta-openembedded/commit/3402bfac6b595c622e4590a8ff5eaaa854e2a2a3
+    ./inetutils-1_9-PATH_PROCNET_DEV.patch
+  ];
+
+  nativeBuildInputs = [ help2man perl /* for `whois' */ ];
+  buildInputs = [ ncurses /* for `talk' */ ];
+
+  # Don't use help2man if cross-compiling
+  # https://lists.gnu.org/archive/html/bug-sed/2017-01/msg00001.html
+  # https://git.congatec.com/yocto/meta-openembedded/blob/3402bfac6b595c622e4590a8ff5eaaa854e2a2a3/meta-networking/recipes-connectivity/inetutils/inetutils_1.9.1.bb#L44
+  preConfigure = let
+    isCross = stdenv.hostPlatform != stdenv.buildPlatform;
+  in lib.optionalString isCross ''
+    export HELP2MAN=true
+  '';
+
+  configureFlags = [ "--with-ncurses-include-dir=${ncurses.dev}/include" ]
+  ++ lib.optionals stdenv.hostPlatform.isMusl [ # Musl doesn't define rcmd
+    "--disable-rcp"
+    "--disable-rsh"
+    "--disable-rlogin"
+    "--disable-rexec"
+  ] ++ lib.optional stdenv.isDarwin  "--disable-servers";
+
+  # Test fails with "UNIX socket name too long", probably because our
+  # $TMPDIR is too long.
+  doCheck = false;
+
+  installFlags = [ "SUIDMODE=" ];
+
+  postInstall = ''
+    mkdir $apparmor
+    cat >$apparmor/bin.ping <<EOF
+    $out/bin/ping {
+      include <abstractions/base>
+      include <abstractions/consoles>
+      include <abstractions/nameservice>
+      include "${apparmorRulesFromClosure { name = "ping"; } [stdenv.cc.libc]}"
+      include <local/bin.ping>
+      capability net_raw,
+      network inet raw,
+      network inet6 raw,
+      mr $out/bin/ping,
+    }
+    EOF
+  '';
+
+  meta = with lib; {
+    description = "Collection of common network programs";
+
+    longDescription =
+      '' The GNU network utilities suite provides the
+         following tools: ftp(d), hostname, ifconfig, inetd, logger, ping, rcp,
+         rexec(d), rlogin(d), rsh(d), syslogd, talk(d), telnet(d), tftp(d),
+         traceroute, uucpd, and whois.
+      '';
+
+    homepage = "https://www.gnu.org/software/inetutils/";
+    license = licenses.gpl3Plus;
+
+    maintainers = with maintainers; [ matthewbauer ];
+    platforms = platforms.unix;
+  };
+}