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/python-modules/nextcord/default.nix

@@ -0,0 +1,64 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, pythonOlder
+, fetchFromGitHub
+, substituteAll
+, ffmpeg
+, libopus
+, aiohttp
+, aiodns
+, brotli
+, cchardet
+, orjson
+, pynacl
+}:
+
+buildPythonPackage rec {
+  pname = "nextcord";
+  version = "2.0.0b2";
+
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "nextcord";
+    repo = "nextcord";
+    rev = version;
+    hash = "sha256-yp24eOmwdi5X2Y20jqq88CDFvmc6P5omOsSWFr2MWGI=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./paths.patch;
+      ffmpeg = "${ffmpeg}/bin/ffmpeg";
+      libopus = "${libopus}/lib/libopus${stdenv.hostPlatform.extensions.sharedLibrary}";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    aiodns
+    aiohttp
+    brotli
+    cchardet
+    orjson
+    pynacl
+  ];
+
+  # upstream has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "nextcord"
+    "nextcord.ext.commands"
+    "nextcord.ext.tasks"
+  ];
+
+  meta = with lib; {
+    description = "Python wrapper for the Discord API forked from discord.py";
+    homepage = "https://github.com/nextcord/nextcord";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}

pkgs/development/python-modules/nextcord/paths.patch

@@ -0,0 +1,71 @@
+diff --git a/nextcord/opus.py b/nextcord/opus.py
+index 52e4ddbd..d8b8090b 100644
+--- a/nextcord/opus.py
++++ b/nextcord/opus.py
+@@ -255,7 +255,7 @@ def _load_default() -> bool:
+             _filename = os.path.join(_basedir, "bin", f"libopus-0.{_target}.dll")
+             _lib = libopus_loader(_filename)
+         else:
+-            opus = ctypes.util.find_library("opus")
++            opus = ctypes.util.find_library("@opus@")
+ 
+             if opus is None:
+                 _lib = None
+diff --git a/nextcord/player.py b/nextcord/player.py
+index 5d0674cc..fd1c20ef 100644
+--- a/nextcord/player.py
++++ b/nextcord/player.py
+@@ -148,7 +148,7 @@ class FFmpegAudio(AudioSource):
+         self,
+         source: Union[str, io.BufferedIOBase],
+         *,
+-        executable: str = "ffmpeg",
++        executable: str = "@ffmpeg@",
+         args: Any,
+         **subprocess_kwargs: Any,
+     ):
+@@ -275,7 +275,7 @@ class FFmpegPCMAudio(FFmpegAudio):
+         self,
+         source: Union[str, io.BufferedIOBase],
+         *,
+-        executable: str = "ffmpeg",
++        executable: str = "@ffmpeg@",
+         pipe: bool = False,
+         stderr: Optional[IO[str]] = None,
+         before_options: Optional[str] = None,
+@@ -378,7 +378,7 @@ class FFmpegOpusAudio(FFmpegAudio):
+         *,
+         bitrate: int = 128,
+         codec: Optional[str] = None,
+-        executable: str = "ffmpeg",
++        executable: str = "@ffmpeg@",
+         pipe=False,
+         stderr=None,
+         before_options=None,
+@@ -532,7 +532,7 @@ class FFmpegOpusAudio(FFmpegAudio):
+         """
+ 
+         method = method or "native"
+-        executable = executable or "ffmpeg"
++        executable = executable or "@ffmpeg@"
+         probefunc = fallback = None
+ 
+         if isinstance(method, str):
+@@ -577,7 +577,7 @@ class FFmpegOpusAudio(FFmpegAudio):
+ 
+     @staticmethod
+     def _probe_codec_native(
+-        source, executable: str = "ffmpeg"
++        source, executable: str = "@ffmpeg@"
+     ) -> Tuple[Optional[str], Optional[int]]:
+         exe = executable[:2] + "probe" if executable in ("ffmpeg", "avconv") else executable
+         args = [
+@@ -606,7 +606,7 @@ class FFmpegOpusAudio(FFmpegAudio):
+ 
+     @staticmethod
+     def _probe_codec_fallback(
+-        source, executable: str = "ffmpeg"
++        source, executable: str = "@ffmpeg@"
+     ) -> Tuple[Optional[str], Optional[int]]:
+         args = [executable, "-hide_banner", "-i", source]
+         proc = subprocess.Popen(