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/beam-modules/rebar3-release.nix

@@ -0,0 +1,108 @@
+{ stdenv
+, erlang
+, rebar3WithPlugins
+, openssl
+, lib
+}:
+
+{ pname
+, version
+, src
+, beamDeps ? [ ]
+, buildPlugins ? [ ]
+, checkouts ? null
+, releaseType
+, buildInputs ? [ ]
+, setupHook ? null
+, profile ? "default"
+, installPhase ? null
+, buildPhase ? null
+, configurePhase ? null
+, meta ? { }
+, ...
+}@attrs:
+
+with lib;
+
+let
+  shell = drv: stdenv.mkDerivation {
+    name = "interactive-shell-${drv.pname}";
+    buildInputs = [ drv ];
+  };
+
+  customPhases = filterAttrs
+    (_: v: v != null)
+    { inherit setupHook configurePhase buildPhase installPhase; };
+
+  # When using the `beamDeps` argument, it is important that we use
+  # `rebar3WithPlugins` here even when there are no plugins. The vanilla
+  # `rebar3` package is an escript archive with bundled dependencies which can
+  # interfere with those in the app we are trying to build. `rebar3WithPlugins`
+  # doesn't have this issue since it puts its own deps last on the code path.
+  rebar3 = rebar3WithPlugins {
+    plugins = buildPlugins;
+  };
+
+  pkg =
+    assert beamDeps != [ ] -> checkouts == null;
+    self: stdenv.mkDerivation (attrs // {
+
+      name = "${pname}-${version}";
+      inherit version pname;
+
+      buildInputs = buildInputs ++ [ erlang rebar3 openssl ] ++ beamDeps;
+
+      # ensure we strip any native binaries (eg. NIFs, ports)
+      stripDebugList = lib.optional (releaseType == "release") "rel";
+
+      inherit src;
+
+      REBAR_IGNORE_DEPS = beamDeps != [ ];
+
+      configurePhase = ''
+        runHook preConfigure
+        ${lib.optionalString (checkouts != null)
+        "cp --no-preserve=all -R ${checkouts}/_checkouts ."}
+        runHook postConfigure
+      '';
+
+      buildPhase = ''
+        runHook preBuild
+        HOME=. DEBUG=1 rebar3 as ${profile} ${if releaseType == "escript"
+                                              then "escriptize"
+                                              else "release"}
+        runHook postBuild
+      '';
+
+      installPhase = ''
+        runHook preInstall
+        dir=${if releaseType == "escript"
+              then "bin"
+              else "rel"}
+        mkdir -p "$out/$dir" "$out/bin"
+        cp -R --preserve=mode "_build/${profile}/$dir" "$out"
+        ${lib.optionalString (releaseType == "release")
+          "find $out/rel/*/bin -type f -executable -exec ln -s -t $out/bin {} \\;"}
+        runHook postInstall
+      '';
+
+      postInstall = ''
+        for dir in $out/rel/*/erts-*; do
+          echo "ERTS found in $dir - removing references to erlang to reduce closure size"
+          for f in $dir/bin/{erl,start}; do
+            substituteInPlace "$f" --replace "${erlang}/lib/erlang" "''${dir/\/erts-*/}"
+          done
+        done
+      '';
+
+      meta = {
+        inherit (erlang.meta) platforms;
+      } // meta;
+
+      passthru = ({
+        packageName = pname;
+        env = shell self;
+      } // (if attrs ? passthru then attrs.passthru else { }));
+    } // customPhases);
+in
+fix pkg