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/version-management/git-repo/default.nix

@@ -0,0 +1,62 @@
+{ lib, stdenv, fetchFromGitHub, makeWrapper, nix-update-script
+, python3, git, gnupg, less, openssh
+}:
+
+stdenv.mkDerivation rec {
+  pname = "git-repo";
+  version = "2.25";
+
+  src = fetchFromGitHub {
+    owner = "android";
+    repo = "tools_repo";
+    rev = "v${version}";
+    sha256 = "sha256-3S4peybytlO432ui+bECVWQTbyNfs2kSMqcqQyVc1os=";
+  };
+
+  # Fix 'NameError: name 'ssl' is not defined'
+  patches = [ ./import-ssl-module.patch ];
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ python3 ];
+
+  postPatch = ''
+    substituteInPlace repo --replace \
+      'urllib.request.urlopen(url)' \
+      'urllib.request.urlopen(url, context=ssl.create_default_context())'
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    cp repo $out/bin/repo
+
+    runHook postInstall
+  '';
+
+  # Important runtime dependencies
+  postFixup = ''
+    wrapProgram $out/bin/repo --prefix PATH ":" \
+      "${lib.makeBinPath [ git gnupg less openssh ]}"
+  '';
+
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = "gitRepo";
+    };
+  };
+
+  meta = with lib; {
+    description = "Android's repo management tool";
+    longDescription = ''
+      Repo is a Python script based on Git that helps manage many Git
+      repositories, does the uploads to revision control systems, and automates
+      parts of the development workflow. Repo is not meant to replace Git, only
+      to make it easier to work with Git.
+    '';
+    homepage = "https://android.googlesource.com/tools/repo";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ otavio ];
+    platforms = platforms.unix;
+  };
+}