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disable CTRL-Z

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Siddharth Dushantha 2019-03-05 17:03:43 +01:00 committed by GitHub
parent d30f0ffd78
commit 580704de6a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 19 deletions
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@ -29,7 +29,7 @@ show_help() {
} }
# parse the arguments # Parse the arguments
options=$(getopt -o h --long size:,music_dir:,version,help -- "$@") options=$(getopt -o h --long size:,music_dir:,version,help -- "$@")
eval set -- "$options" eval set -- "$options"
@ -59,16 +59,16 @@ while true; do
shift shift
done done
# this is a base64 endcoded image which will be used if # This is a base64 endcoded image which will be used if
# if the file does not have an emmbeded album art. # the file does not have an emmbeded album art.
# the image is a image of a music note # The image is an image of a music note
read -d '' MUSIC_NOTE << EOF read -d '' MUSIC_NOTE << EOF
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 iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABXAvmHAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAJESURBVGhD7Zg/axRRFMVXAtpYphEVREKClnHfJI0MmReSfAC3tRejhaBgo70fwN7aD2BvEU0gfztbu5AqMxNjoVnvG87KZXy7z5m5dxLI/OCw8Pade+7M3n3Dbq+jo6OjY8RwMJhKk+hhlph3eRJ9w/LF5jCOr1PTj6jpD7mNjkjDkbDl4vFjpX87teZJlkSfSD9501zYfv5QJ1fyZHGexuJtZs12ZqMzX8NlwX4+nK3NXMutWaOm39Nd/u5rMCSUao80fjBNwY+p8Y+krNxQVaGsLsfWzFLYS2r4M30Rf5WbaCJE6OILlhIidPEFSwkRuviCpYQIXXzB1WX26bR6ky4v3OPriNCFB1YRHa079Pr6eKk/h1IFfA+WdOGBk+QeXtT0Ft3pV6e2fxf2f+AeLOnCA8tC0xv09H1xGi/cgWUi3I8lXXigEzX8u3gmWPP8JI5uYdt/w2thSRceSM0/zVfnb+CtWvB6WNJFOlC6XhDpQOl6QaQDpesFkQ6UrhdEOlC6XpA6gcPB/avumKXnxCadXHkha766tTr1GlE18CRZvEmN7nHfOMGiS5XA4mdmYg64Z5Jg06VKYHlEQoKtOVIz6zx8f0iwNUNyZt2F+3zjBFt9pGe22gWYFLb6lEckJNjGUmWEssR8ga0+0jNL9Z75fD7Rp7UOW32kZxb/1u37vFyUu+sODtjqozGzxaFADfprFM3vuD3Y3gytmf17LJPHXbgTNb5BWhe58yNan1lpWp9ZDVqdWS1am9mOjo7LRq/3B1ESKyYUVquzAAAAAElFTkSuQmCC
EOF EOF
is_connected() { is_connected() {
# check if internet is connected. we are using api.deezer.com to test # Check if internet is connected. We are using api.deezer.com to test
# if the internet is connected because if api.deezer.com is down or # if the internet is connected because if api.deezer.com is down or
# the internet is not connected this script will work as expected # the internet is not connected this script will work as expected
if ping -q -c 1 -W 1 api.deezer.com >/dev/null; then if ping -q -c 1 -W 1 api.deezer.com >/dev/null; then
@ -81,7 +81,7 @@ is_connected() {
get_cover_online() { get_cover_online() {
# check if connected to internet # Check if connected to internet
is_connected is_connected
if [ $connected == false ];then if [ $connected == false ];then
@ -89,10 +89,10 @@ get_cover_online() {
return return
fi fi
# try to get the album cover online from api.deezer.com # Try to get the album cover online from api.deezer.com
API_URL="http://api.deezer.com/search/autocomplete?q=$(mpc current)" && API_URL=${API_URL//' '/'%20'} API_URL="http://api.deezer.com/search/autocomplete?q=$(mpc current)" && API_URL=${API_URL//' '/'%20'}
# extract the albumcover from the json returned # Extract the albumcover from the json returned
IMG_URL=$(curl -s "$API_URL" | jq -r '.playlists.data[0] | .picture_big') IMG_URL=$(curl -s "$API_URL" | jq -r '.playlists.data[0] | .picture_big')
if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then
@ -108,14 +108,14 @@ get_cover_online() {
update_cover() { update_cover() {
# extract the album art from the mp3 file and dont show the messsy # Extract the album art from the mp3 file and dont show the messsy
# output of ffmpeg # output of ffmpeg
ffmpeg -i "$MUSIC_DIR$(mpc current -f %file%)" $COVER -y &> /dev/null ffmpeg -i "$MUSIC_DIR$(mpc current -f %file%)" $COVER -y &> /dev/null
# get the status of the previous command # Get the status of the previous command
STATUS=$? STATUS=$?
# check if the file has a embbeded album art # Check if the file has a embbeded album art
if [ $STATUS -eq 0 ];then if [ $STATUS -eq 0 ];then
echo "kunst: extracted album art" echo "kunst: extracted album art"
ARTLESS=false ARTLESS=false
@ -123,8 +123,8 @@ update_cover() {
DIR="$MUSIC_DIR$(dirname "$(mpc current -f %file%)")" DIR="$MUSIC_DIR$(dirname "$(mpc current -f %file%)")"
echo "kunst: inspecting $DIR" echo "kunst: inspecting $DIR"
# check if there is an album cover/art in the folder. # Check if there is an album cover/art in the folder.
# look at issue #9 for more details # Look at issue #9 for more details
for CANDIDATE in "$DIR/cover."{png,jpg}; do for CANDIDATE in "$DIR/cover."{png,jpg}; do
if [ -f "$CANDIDATE" ]; then if [ -f "$CANDIDATE" ]; then
STATUS=0 STATUS=0
@ -140,7 +140,7 @@ update_cover() {
get_cover_online get_cover_online
fi fi
# resize the image to 250x250 # Resize the image to 250x250
if [ $ARTLESS == false ]; then if [ $ARTLESS == false ]; then
convert $COVER -resize $SIZE $COVER convert $COVER -resize $SIZE $COVER
echo "kunst: resized album art to $SIZE" echo "kunst: resized album art to $SIZE"
@ -149,12 +149,13 @@ update_cover() {
} }
pre_exit() { pre_exit() {
# Get the proccess ID of kunst and kill it
kill -9 $(cat /tmp/kunst.pid) kill -9 $(cat /tmp/kunst.pid)
} }
main() { main() {
# flag to run some commands only once in the loop # Flag to run some commands only once in the loop
FIRST_RUN=true FIRST_RUN=true
while true; do while true; do
@ -162,11 +163,11 @@ main() {
update_cover update_cover
if [ $ARTLESS == true ];then if [ $ARTLESS == true ];then
# change the path to COVER because the music note # Dhange the path to COVER because the music note
# image is a png not jpg # image is a png not jpg
COVER=/tmp/kunst.png COVER=/tmp/kunst.png
# decode the base64 encoded image and save it # Decode the base64 encoded image and save it
# to /tmp/kunst.png # to /tmp/kunst.png
echo "$MUSIC_NOTE" | base64 --decode > $COVER echo "$MUSIC_NOTE" | base64 --decode > $COVER
fi fi
@ -177,17 +178,25 @@ main() {
if [ $FIRST_RUN == true ]; then if [ $FIRST_RUN == true ]; then
FIRST_RUN=false FIRST_RUN=false
# display the album art using sxiv # Display the album art using sxiv
sxiv -g $SIZE -b $COVER -N "Kunst" & sxiv -g $SIZE -b $COVER -N "Kunst" &
# Save the process ID so that we can kill
# sxiv when the user exits the script
echo $! >/tmp/kunst.pid echo $! >/tmp/kunst.pid
fi fi
# waiting for an event from mpd; play/pause/next/previous # Waiting for an event from mpd; play/pause/next/previous
# this is lets kunst use less CPU :) # this is lets kunst use less CPU :)
mpc idle &> /dev/null mpc idle &> /dev/null
echo "kunst: received event from mpd" echo "kunst: received event from mpd"
done done
} }
# Disable CTRL-Z because if we allowed this key press,
# then the script would exit but, sxiv would still be
# running
trap "" SIGTSTP
trap pre_exit EXIT trap pre_exit EXIT
main main