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/mautrix-facebook/default.nix

@@ -0,0 +1,63 @@
+{ enableSystemd ? stdenv.isLinux
+, fetchFromGitHub
+, fetchpatch
+, lib
+, python3
+, stdenv
+}:
+
+python3.pkgs.buildPythonPackage rec {
+  pname = "mautrix-facebook";
+  version = "unstable-2022-05-06";
+
+  src = fetchFromGitHub {
+    owner = "mautrix";
+    repo = "facebook";
+    rev = "5e2c4e7f5a38e3c5d984d690c0ebee9b6bb4768c";
+    hash = "sha256-ukFtVRrmaJVVwgp5siwEwbfq6Yq5rmu3XJA5H2n/eJU=";
+  };
+
+  propagatedBuildInputs = with python3.pkgs; [
+    CommonMark
+    aiohttp
+    asyncpg
+    mautrix
+    paho-mqtt
+    pillow
+    prometheus-client
+    pycryptodome
+    python-olm
+    python-magic
+    ruamel-yaml
+    unpaddedbase64
+    yarl
+    zstandard
+  ] ++ lib.optional enableSystemd systemd;
+
+  postPatch = ''
+    # Drop version limiting so that every dependency update doesn't break this package.
+    sed -i -e 's/,<.*//' requirements.txt
+  '';
+
+  postInstall = ''
+    mkdir -p $out/bin
+
+    cat <<-END >$out/bin/mautrix-facebook
+    #!/bin/sh
+    PYTHONPATH="$PYTHONPATH" exec ${python3}/bin/python -m mautrix_facebook "\$@"
+    END
+    chmod +x $out/bin/mautrix-facebook
+  '';
+
+  checkPhase = ''
+    $out/bin/mautrix-facebook --help
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mautrix/facebook";
+    description = "A Matrix-Facebook Messenger puppeting bridge";
+    license = licenses.agpl3Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ kevincox ];
+  };
+}