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niveum/packages/mpv-tuner.nix

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{
writeText,
lib,
writers,
mpv,
gnused,
di-fm-key-file,
findutils,
}: let
streams = import ../lib/streams.nix {
di-fm-key = "%DI_FM_KEY%";
};
streams-list = writeText "streams.txt" (lib.concatMapStringsSep "\n" (station: station.stream) streams);
in
writers.writeDashBin "mpv-tuner" ''
if [ -z ''${DI_FM_KEY} ]; then
DI_FM_KEY=$(cat "${di-fm-key-file}")
fi
shuf ${streams-list} \
| ${gnused}/bin/sed s/%DI_FM_KEY%/"$DI_FM_KEY"/ \
| ${findutils}/bin/xargs ${mpv}/bin/mpv
''