36 lines
1.1 KiB
Nix
36 lines
1.1 KiB
Nix
{ stdenv, usbrelay, python3 }:
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let
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python = python3.withPackages (ps: with ps; [ usbrelay-py paho-mqtt ]);
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in
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# This is a separate derivation, not just an additional output of
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# usbrelay, because otherwise, we have a cyclic dependency between
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# usbrelay (default.nix) and the python module (python.nix).
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stdenv.mkDerivation rec {
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pname = "usbrelayd";
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inherit (usbrelay) src version;
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postPatch = ''
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substituteInPlace 'usbrelayd.service' \
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--replace '/usr/bin/python3' "${python}/bin/python3" \
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--replace '/usr/sbin/usbrelayd' "$out/bin/usbrelayd"
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'';
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buildInputs = [ python ];
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dontBuild = true;
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installPhase = ''
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runHook preInstall;
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install -m 644 -D usbrelayd $out/bin/usbrelayd
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install -m 644 -D usbrelayd.service $out/lib/systemd/system/usbrelayd.service
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install -m 644 -D 50-usbrelay.rules $out/lib/udev/rules.d/50-usbrelay.rules
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install -m 644 -D usbrelayd.conf $out/etc/usbrelayd.conf # include this as an example
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runHook postInstall
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'';
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meta = {
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description = "USB Relay MQTT service";
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inherit (usbrelay.meta) homepage license maintainers platforms;
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};
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}
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