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/servers/dgraph/default.nix

@@ -0,0 +1,49 @@
+{ lib, buildGoModule, fetchFromGitHub, installShellFiles, jemalloc, nodejs }:
+
+buildGoModule rec {
+  pname = "dgraph";
+  version = "21.12.0";
+
+  src = fetchFromGitHub {
+    owner = "dgraph-io";
+    repo = "dgraph";
+    rev = "v${version}";
+    sha256 = "sha256-OYDWr+wJEIP7raIHsXSjvuFr2ENJOllufO5ff6lxoR4=";
+  };
+
+  vendorSha256 = "sha256-YtU3Yeq/lNeq7cOB+KvHbvlH9g40WuJk1ovHxCQMG60=";
+
+  doCheck = false;
+
+  ldflags = [
+    "-X github.com/dgraph-io/dgraph/x.dgraphVersion=${version}-oss"
+  ];
+
+  tags = [
+    "oss"
+  ];
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  # todo those dependencies are required in the makefile, but verify how they are used
+  # actually
+  buildInputs = [ jemalloc nodejs ];
+
+  subPackages = [ "dgraph" ];
+
+  postInstall = ''
+    for shell in bash zsh; do
+      $out/bin/dgraph completion $shell > dgraph.$shell
+      installShellCompletion dgraph.$shell
+    done
+  '';
+
+  meta = with lib; {
+    homepage = "https://dgraph.io/";
+    description = "Fast, Distributed Graph DB";
+    maintainers = with maintainers; [ sigma ];
+    # Apache 2.0 because we use only build "oss"
+    license = licenses.asl20;
+    platforms = platforms.unix;
+  };
+}