Merge pull request #65 from martinmch/master
Fix formatting and make script more unix compliant
This commit is contained in:
Siddharth Dushantha
GitHub
commit
9a3d952a66
224
kunst
224
kunst
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@ -9,14 +9,16 @@
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VERSION=1.3.4
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COVER=/tmp/kunst.jpg
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MUSIC_DIR=~/Music
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SIZE=250x250
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POSITION="+0+0"
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ONLINE_ALBUM_ART=false
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MUSIC_DIR="${KUNST_MUSIC_DIR:-~/Music}"
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SIZE="${KUNST_SIZE:-250x250}"
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POSITION="${KUNST_POSITION:-+0+0}"
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ONLINE_ALBUM_ART=""
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PROG_NAME=$(basename "$0")
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show_help() {
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printf "%s" "\
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usage: kunst [-h] [--size \"px\"] [--position \"+x+y\"][--music_dir \"path/to/dir\"] [--silent] [--version]
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printf "%s" "\
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usage: kunst [-h|--help] [--size \"px\"] [--position \"+x+y\"]
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[--music_dir \"path/to/dir\"] [--verbose] [--version]
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┬┌─┬ ┬┌┐┌┌─┐┌┬┐
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├┴┐│ ││││└─┐ │
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@ -28,15 +30,24 @@ optional arguments:
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--size what size to display the album art in
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--position the position where the album art should be displayed
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--music_dir the music directory which MPD plays from
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--silent dont show the output
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--verbose show the output
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--force-online force getting cover from the internet
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--version show the version of kunst you are using
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"
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}
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log() {
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[ "$VERBOSE" ] && echo "$PROG_NAME: $1"
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}
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logError() {
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echo "$PROG_NAME: $1" >&2
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exit 1
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}
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# Parse the arguments
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options=$(getopt -o h --long position:,size:,music_dir:,version,force-online,silent,help -- "$@")
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options=$(getopt -o h --long 'position:,size:,music_dir:,version,force-online,verbose,help' -- "$@")
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eval set -- "$options"
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while true; do
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@ -54,18 +65,18 @@ while true; do
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MUSIC_DIR=$1
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;;
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-h|--help)
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show_help
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exit
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show_help
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exit
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;;
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--version)
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echo $VERSION
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exit
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;;
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--version)
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echo $VERSION
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exit
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;;
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--force-online)
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ONLINE_ALBUM_ART=true
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;;
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--silent)
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SILENT=true
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--verbose)
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verbose=true
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;;
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--)
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shift
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@ -84,109 +95,112 @@ EOF
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is_connected() {
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# Check if internet is connected. We are using api.deezer.com to test
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# if the internet is connected because if api.deezer.com is down or
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# the internet is not connected this script will work as expected
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if ping -q -c 1 -W 1 api.deezer.com >/dev/null; then
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connected=true
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else
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[ ! "$SILENT" ] && echo "kunst: unable to check online for the album art"
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connected=false
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fi
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# Check if internet is connected. We are using api.deezer.com to test
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# if the internet is connected because if api.deezer.com is down or
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# the internet is not connected this script will work as expected
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if ping -q -c 1 -W 1 api.deezer.com >/dev/null; then
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connected=true
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else
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log "unable to check online for the album art"
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connected=false
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fi
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}
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get_cover_online() {
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# Check if connected to internet
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is_connected
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# Check if connected to internet
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is_connected
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if [ "$connected" == false ];then
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ARTLESS=true
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return
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fi
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if [ "$connected" == false ];then
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ARTLESS=true
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return
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fi
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# If the current playing song ends with .mp3 or something similar, remove
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# it before searching for the album art because including the file extension
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# reduces the chance of good results in the search query
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QUERY=$(mpc current | sed 's/\.[^.]*$//' | iconv -t ascii//TRANSLIT -f utf8)
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# Try to get the album cover online from api.deezer.com
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API_URL="https://api.deezer.com/search/autocomplete?q=$QUERY" && API_URL=${API_URL//' '/'%20'}
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echo $API_URL
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# Extract the albumcover from the json returned
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IMG_URL=$(curl -s "$API_URL" | jq -r '.playlists.data[0].picture_big')
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# Try to get the album cover online from api.deezer.com
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API_URL="https://api.deezer.com/search/autocomplete?q=$QUERY" && API_URL=${API_URL//' '/'%20'}
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log "fetching $API_URL"
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# Extract the albumcover from the json returned
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JSON=$(curl -s "$API_URL")
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ALBUM=$(echo "$JSON" | jq -r '.tracks.data[0].album.picture_big' | sed 's/null//');
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ARTIST=$(echo "$JSON" | jq -r '.tracks.data[0].artist.picture_big' | sed 's/null//');
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IMG_URL="${ALBUM:-$ARTIST}"
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if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then
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[ ! "$SILENT" ] && echo "error: cover not found online"
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ARTLESS=true
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else
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[ ! "$SILENT" ] && echo "kunst: cover found online"
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curl -o "$COVER" -s "$IMG_URL"
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ARTLESS=false
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fi
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if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then
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log "cover not found online"
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ARTLESS=true
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else
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log "cover found online"
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curl -o "$COVER" -s "$IMG_URL"
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ARTLESS=false
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fi
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}
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find_album_art(){
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# Check if the user wants to get the album art from the internet,
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# regardless if the curent song has an embedded album art or not
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if [ "$ONLINE_ALBUM_ART" == true ];then
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[ ! "$SILENT" ] && echo "kunst: getting cover from internet"
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get_cover_online
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# regardless if the current song has an embedded album art or not
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if [ ! -z "$ONLINE_ALBUM_ART" ]; then
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log "getting cover from internet"
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get_cover_online
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return
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fi
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# Extract the album art from the mp3 file and dont show the messsy
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# output of ffmpeg
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ffmpeg -i "$MUSIC_DIR$(mpc current -f %file%)" "$COVER" -y &> /dev/null
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# Extract the album art from the mp3 file and dont show the messsy
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# output of ffmpeg
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ffmpeg -i "$MUSIC_DIR$(mpc current -f %file%)" "$COVER" -y &> /dev/null
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# Get the status of the previous command
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STATUS=$?
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# Get the status of the previous command
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STATUS=$?
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# Check if the file has a embbeded album art
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if [ "$STATUS" -eq 0 ];then
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[ ! "$SILENT" ] && echo "kunst: extracted album art"
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ARTLESS=false
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else
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# Check if the file has a embbeded album art
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if [ "$STATUS" -eq 0 ];then
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log "extracted album art"
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ARTLESS=false
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else
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DIR="$MUSIC_DIR$(dirname "$(mpc current -f %file%)")"
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[ ! "$SILENT" ] && echo "kunst: inspecting $DIR"
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log "inspecting $DIR"
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# Check if there is an album cover/art in the folder.
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# Look at issue #9 for more details
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# Check if there is an album cover/art in the folder.
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# Look at issue #9 for more details
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for CANDIDATE in "$DIR/cover."{png,jpg}; do
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if [ -f "$CANDIDATE" ]; then
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STATUS=0
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ARTLESS=false
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convert "$CANDIDATE" $COVER &> /dev/null
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[ ! "$SILENT" ] && echo "kunst: found cover.png"
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log "found cover.png"
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fi
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done
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fi
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if [ "$STATUS" -ne 0 ];then
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[ ! "$SILENT" ] && echo "error: file does not have an album art"
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get_cover_online
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fi
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if [ "$STATUS" -ne 0 ];then
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log "file does not have an album art"
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get_cover_online
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fi
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}
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update_cover() {
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find_album_art
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if [ "$ARTLESS" == false ]; then
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convert "$COVER" -resize "$SIZE" "$COVER" &> /dev/null
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[ ! "$SILENT" ] && echo "kunst: resized album art to $SIZE"
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fi
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if [ "$ARTLESS" == false ]; then
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convert "$COVER" -resize "$SIZE" "$COVER" &> /dev/null
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log "resized album art to $SIZE"
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fi
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}
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pre_exit() {
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# Get the proccess ID of kunst and kill it.
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# Get the proccess ID of kunst and kill it.
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# We are dumping the output of kill to /dev/null
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# because if the user quits sxiv before they
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# exit kunst, an error will be shown
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# from kill and we dont want that
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kill -9 "$(cat /tmp/kunst.pid)" &>/dev/null
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kill -9 "$(cat /tmp/kunst.pid)" &>/dev/null
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}
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@ -195,54 +209,46 @@ main() {
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dependencies=(sxiv convert bash ffmpeg mpc jq mpd)
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for dependency in "${dependencies[@]}"; do
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type -p "$dependency" &>/dev/null || {
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echo "error: Could not find '${dependency}', is it installed?" >&2
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exit 1
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logError "could not find '${dependency}', is it installed?"
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}
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done
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[ "$KUNST_MUSIC_DIR" != "" ] && MUSIC_DIR="$KUNST_MUSIC_DIR"
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[ "$KUNST_SIZE" != "" ] && SIZE="$KUNST_SIZE"
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[ "$KUNST_POSITION" != "" ] && POSITION="$KUNST_POSITION"
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# Flag to run some commands only once in the loop
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FIRST_RUN=true
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# Flag to run some commands only once in the loop
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FIRST_RUN=true
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while true; do
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update_cover
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while true; do
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update_cover
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if [ "$ARTLESS" == true ];then
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# Dhange the path to COVER because the music note
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# image is a png not jpg
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COVER=/tmp/kunst.png
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if [ "$ARTLESS" == true ];then
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# Dhange the path to COVER because the music note
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# image is a png not jpg
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COVER=/tmp/kunst.png
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# Decode the base64 encoded image and save it
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# to /tmp/kunst.png
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echo "$MUSIC_NOTE" | base64 --decode > "$COVER"
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fi
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if [ ! "$SILENT" ];then
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echo "kunst: swapped album art to $(mpc current)"
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printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
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# Decode the base64 encoded image and save it
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# to /tmp/kunst.png
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echo "$MUSIC_NOTE" | base64 --decode > "$COVER"
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fi
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if [ "$FIRST_RUN" == true ]; then
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FIRST_RUN=false
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log "swapped album art to $(mpc current)"
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# Display the album art using sxiv
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sxiv -g "$SIZE$POSITION" -b "$COVER" -N "Kunst" &
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if [ "$FIRST_RUN" == true ]; then
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FIRST_RUN=false
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# Save the process ID so that we can kill
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# sxiv when the user exits the script
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echo $! >/tmp/kunst.pid
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fi
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# Display the album art using sxiv
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sxiv -g "$SIZE$POSITION" -b "$COVER" -N "Kunst" &
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# Waiting for an event from mpd; play/pause/next/previous
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# this is lets kunst use less CPU :)
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while true; do
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mpc idle player &>/dev/null && (mpc status | grep "\[playing\]" &>/dev/null) && break
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done
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[ ! "$SILENT" ] && echo "kunst: received event from mpd"
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done
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# Save the process ID so that we can kill
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# sxiv when the user exits the script
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echo $! >/tmp/kunst.pid
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fi
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# Waiting for an event from mpd; play/pause/next/previous
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# this is lets kunst use less CPU :)
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while true; do
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mpc idle player &>/dev/null && (mpc status | grep "\[playing\]" &>/dev/null) && break
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done
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log "received event from mpd"
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done
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}
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# Disable CTRL-Z because if we allowed this key press,
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