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/owncast/default.nix

@@ -0,0 +1,58 @@
+{ lib, buildGoModule, fetchFromGitHub, nixosTests, bash, which, ffmpeg, makeWrapper, coreutils, ... }:
+
+buildGoModule rec {
+  pname = "owncast";
+  version = "0.0.11";
+
+  src = fetchFromGitHub {
+    owner = "owncast";
+    repo = "owncast";
+    rev = "v${version}";
+    sha256 = "sha256-SVe7CH+qx3hFZ/cay6Hh5+vx0ncHACiNSM6k7fCDH18=";
+  };
+
+  vendorSha256 = "sha256-19FTfUCG1omk5y1HC2yb7/0CM2x6k5BGSM+sZwlKrxY=";
+
+  propagatedBuildInputs = [ ffmpeg ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  preInstall = ''
+    mkdir -p $out
+    cp -r $src/{static,webroot} $out
+  '';
+
+  postInstall = let
+
+    setupScript = ''
+      [ ! -d "$PWD/webroot" ] && (
+        ${coreutils}/bin/cp --no-preserve=mode -r "${placeholder "out"}/webroot" "$PWD"
+      )
+
+      [ ! -d "$PWD/static" ] && (
+        ${coreutils}/bin/ln -s "${placeholder "out"}/static" "$PWD"
+      )
+    '';
+  in ''
+    wrapProgram $out/bin/owncast \
+      --run '${setupScript}' \
+      --prefix PATH : ${lib.makeBinPath [ bash which ffmpeg ]}
+  '';
+
+  installCheckPhase = ''
+    runHook preCheck
+    $out/bin/owncast --help
+    runHook postCheck
+  '';
+
+  passthru.tests.owncast = nixosTests.testOwncast;
+
+  meta = with lib; {
+    description = "self-hosted video live streaming solution";
+    homepage = "https://owncast.online";
+    license = licenses.mit;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ MayNiklas ];
+  };
+
+}