np script

#!/usr/bin/env bash
set -euf -o pipefail

# CONFIG ----------------------------------------------------
# This NEEDS to be the same as in mpd.conf
# music_dir="$HOME/Music/Albums"
music_dir="$HOME/Music"

# What should the covers be resized to in pixels
cover_resize="200"

# What is the cover file called?
img_reg=".*/(cover|front|folder|art).(jpg|jpeg|png|gif)$"

# What do we want the notification to look like?
artist_color="##c6c6c6"
song_color="##a4a4a4"

form="<span color='$artist_color'>%artist%</span> - <span color='$song_color'>%title%</span>"
# END CONFIG ------------------------------------------------

# These are some variables we need for things to work
song="$(mpc --format %file% current)"
songdir="$music_dir/$(dirname "${song}")/"
raw_cover="/tmp/current_cover.png"
heading="$(mpc current -f "%album%" | sed "s:&:&amp;:g")"
message="$(mpc current -f "$form" | sed "s:&:&amp;:g" )"

# Is there music on?
[[ -z $song ]] && exit 1

# No cover if the folder isn't found
[[ -z "$songdir" ]] && exit 1

# But if it is found, look for only one of the specified files
cover="$(find "$songdir" -maxdepth 1 -type f -regextype egrep -regex "$img_reg" 2>/dev/null)"

# Resize the cover
if [[ -n $cover ]]; then
		ffmpeg -hide_banner -loglevel panic -nostats -y -i "$cover" -vf scale="$cover_resize":-2 "$raw_cover"
        cover="$raw_cover"
fi

# Send the notification
notify-send -u low -t 8000 -i "$cover" "$heading" "$message"

# add a rule to make sxiv:albumcover floating
#sxiv "$cover" -N albumcover -g 250x250-10-10 -bpq > /dev/null 2>&1 & pid=$!
#    { sleep 4; kill "$pid"; } &