{ pkgs, ... }:
{
  environment.systemPackages = [
    (pkgs.writeShellScriptBin "scan" ''
      find . -type f \( -iname "*.mp3" -o -iname "*.flac" -o -iname "*.m4a" -o -iname "*.ogg" -o -iname "*.wav" -o -iname "*.aiff" \) -print0 |
      xargs -0 -P"$(nproc)" -I{} bash -c '
          if ffprobe -v quiet -show_entries format_tags \
              -of default=nw=1:nk=1 "$1" 2>/dev/null |
              grep -q -E "Visit https?://[^ ]+"; then
              echo "Match found in: $1"
          fi
      ' _ {} | sort
    '')

    (pkgs.writeShellScriptBin "2scan" ''
      find . -type f \( -iname "*.mp3" -o -iname "*.flac" -o -iname "*.m4a" -o -iname "*.ogg" -o -iname "*.wav" -o -iname "*.aiff" \) -print0 |
      xargs -0 -P"$(nproc)" -I{} sh -c '
          if ! ffprobe -v quiet -show_entries format_tags \
              -of default=nw=1:nk=1 "$1" 2>/dev/null |
              grep -q -E "Visit https?://[^ ]+"; then
              echo "Match found in: $1"
          fi
      ' _ {}
    '')

    (pkgs.writeShellScriptBin "enable-hypervisor" ''
      sudo modprobe -r kvm_amd kvm
      sudo modprobe cpuid_fault_emulation
    '')

    (pkgs.writeShellScriptBin "disable-hypervisor" ''
      sudo modprobe -r cpuid_fault_emulation
      sudo modprobe kvm_amd kvm
    '')

    (pkgs.writeShellScriptBin "check-playlist" ''
      PLAYLIST_DIR="/home/user/Music/Playlists/"
      BASENAME="/home/user/Music/$SELECTED_SONGS"
      # echo $BASENAME | kitty +kitten clipboard
      shopt -s extglob
      if grep -q "$BASENAME" "$PLAYLIST_DIR"/!(active\ -\ new|other\ -\ lostfrog).m3u
      then
        notify-send "Song is in a playlist";
      else
        notify-send "Song isnt in a playlist";
      fi
    '')

    (pkgs.writeShellScriptBin "mpd-volume" ''
      if [ $# != 1 ]; then
          echo "Usage: ''${0} up|down"
          exit 1
      fi

      STEP=5

      get_vol() {
          mpc --host=/tmp/mpd_socket volume
      }

      set_vol() {
          mpc --host=/tmp/mpd_socket volume "$1"
      }

      case "$1" in
          up)
              set_vol +$((STEP))
              ;;
          down)
              set_vol -$((STEP))
              ;;
          *)
              echo "Usage: ''${0} up|down"
              exit 1
              ;;
      esac
    '')
  ];
}