{ 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
''