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{ stdenv, coreutils, ffmpeg-full, writeScriptBin }:
writeScriptBin "recv-media" ''
#!${stdenv.shell}
[[ -z "$1" ]] && exit 2
PATH=${ffmpeg-full}/bin:${coreutils}/bin
dir=/var/media
file="''${dir}/.$(basename "$1")"
file2="''${dir}/.copy.$(basename "$1")"
nFile="''${dir}/$(basename "$1")"
cat > "''${file}"
if ! ffmpeg -v warning -i "''${file}" -c copy "''${file2}" 2>&1 </dev/null; then
echo "Download of ''${file} failed"
rm -f "''${nFile}" "''${file}" "''${file2}"
exit 1
else
rm -f "''${file}"
mv "''${file2}" "''${nFile}"
fi
''
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