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set wallpaper by url | directory | file, using hyprpaper | feh | betterlockcreen | print - random or last used
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| #!/bin/bash | |
| ## example usage | |
| # | |
| ## set_random_wallpaper.sh \ | |
| ## --url https://minimalistic-wallpaper.demolab.com/?random \ | |
| ## --dir ~/dotfiles/assets/wallpapers/ \ | |
| ## --fallback ~/dotfiles/assets/background.jpg \ | |
| ## --executor hyprpaper | |
| # | |
| ## in this exaple script will try: | |
| ## - download image from url https://minimalistic-wallpaper.demolab.com/?random | |
| ## - if can't then try random from directory ~/dotfiles/assets/wallpapers/ | |
| ## - if cant't then use fallback image ~/dotfiles/assets/background.jpg | |
| ## - set wallpaper using hyprpaper | |
| ## ---------------------------------------------------------------------------------- ## | |
| ## ------------------------- Helper functions --------------------------------------- ## | |
| ## ---------------------------------------------------------------------------------- ## | |
| function set_from_remote() { | |
| URL=$1 | |
| JPG_FILE=/tmp/download_online_wallpaper.jpg | |
| PNG_FILE=/tmp/download_online_wallpaper.png | |
| curl -s "$URL" > $JPG_FILE | |
| if [[ $(file $JPG_FILE | grep -q "ASCII text") ]]; then | |
| echo "" | |
| exit 0 | |
| fi | |
| wallpaper=$JPG_FILE | |
| if [[ $(file "$wallpaper" | grep PNG) ]]; then | |
| mv $JPG_FILE $PNG_FILE | |
| wallpaper=$PNG_FILE | |
| fi | |
| echo "$wallpaper" | |
| } | |
| function set_from_folder() { | |
| FOLDER=$1 | |
| wallpaper=$(find "$FOLDER" -type f | shuf --random-source=/dev/urandom -n 1) | |
| if [[ -z $wallpaper ]]; then | |
| echo "" | |
| exit 0 | |
| fi | |
| echo "$wallpaper" | |
| } | |
| function notify() { | |
| MSG=$1 | |
| if command -v notify-send &> /dev/null | |
| then | |
| notify-send "Wallpaper set" "$MSG" | |
| fi | |
| } | |
| function debug() { echo "$1" > /dev/stderr; } | |
| function error() { debug "$1"; exit 1; } | |
| function usage() { | |
| echo "Usage: $0" | |
| } | |
| ## ---------------------------------------------------------------------------------- ## | |
| ## ------------------------- Main code ---------------------------------------------- ## | |
| ## ---------------------------------------------------------------------------------- ## | |
| SHORT=d:,e:,f:,u:,h | |
| LONG=dir:,executor:,fallback:,url:,help | |
| OPTS=$(getopt --alternative --name "$0" --options $SHORT --longoptions $LONG -- "$@") | |
| eval set -- "$OPTS" | |
| function usage() { | |
| echo "Usage: $0 [-u | --url] [-d | --dir] [-f | --fallback] [-e | --executor]" | |
| echo " -u | --url -- url to download wallpaper from" | |
| echo " -d | --dir -- path to directory to choose random wallpaper from" | |
| echo " -f | --fallback -- path to fallback image if no url/dir wallpaper is available" | |
| echo " -e | --executor -- executor to set image; default hyprland or feh depending on XDG_SESSION_TYPE" | |
| } | |
| FOLDER= | |
| FALLBACK= | |
| URL= | |
| if [[ $XDG_SESSION_TYPE == "wayland" ]]; then | |
| EXECUTOR=hyprpaper | |
| else | |
| EXECUTOR=feh | |
| fi | |
| while : | |
| do | |
| case "$1" in | |
| -d | --dir ) | |
| FOLDER="$2" | |
| shift 2 | |
| ;; | |
| -e | --executor ) | |
| EXECUTOR="$2" | |
| shift 2 | |
| ;; | |
| -f | --fallback ) | |
| FALLBACK="$2" | |
| shift 2 | |
| ;; | |
| -u | --url ) | |
| URL="$2" | |
| shift 2 | |
| ;; | |
| -h | --help) | |
| usage | |
| exit 2 | |
| ;; | |
| --) | |
| shift; | |
| break | |
| ;; | |
| *) | |
| echo "Unexpected option: $1" | |
| ;; | |
| esac | |
| done | |
| ## ---------------------------------------------------------------------------------- ## | |
| ## ------------------------- Find wallpaper to set ---------------------------------- ## | |
| ## ---------------------------------------------------------------------------------- ## | |
| source="" | |
| wallpaper="" | |
| # 1. try to download wallpaper -- -u | --url | |
| if [[ -n $URL ]]; then | |
| source=$URL | |
| debug "[find] using $URL" | |
| wallpaper=$(set_from_remote $URL) | |
| else | |
| debug "[skip] use -u | --url to download wallpaper from url" | |
| fi | |
| # 2. try to get random image from folder -- -d | --url | |
| if [[ -z $wallpaper ]]; then | |
| if [[ -n $FOLDER ]]; then | |
| source=$FOLDER | |
| debug "[find] using folder $FOLDER" | |
| wallpaper=$(set_from_folder "$FOLDER") | |
| else | |
| debug "[skip] use -d | --dir to choose wallpaper from folder" | |
| fi | |
| fi | |
| # 3. try to set fallback image -- -f | --fallback | |
| if [[ -z $wallpaper ]]; then | |
| if [[ -n $FALLBACK ]]; then | |
| debug "[find] using fallback $FALLBACK" | |
| source=$FALLBACK | |
| wallpaper=$FALLBACK | |
| else | |
| debug "[skip] use -f | --fallback to set given image as wallpaper" | |
| fi | |
| fi | |
| if [[ -z $wallpaper ]]; then | |
| debug "[find] ¯\(ツ)/¯ cannot set any wallpaper" | |
| notify "¯\(ツ)/¯ cannot set any wallpaper" | |
| exit 1 | |
| fi | |
| debug "[found] $wallpaper" | |
| notify "[$source] $wallpaper" | |
| # 4. set wallpaper using executor -- -e | --executor | |
| debug "[set] using $EXECUTOR" | |
| if ! command -v "$EXECUTOR" &> /dev/null | |
| then | |
| error "[set] executor $EXECUTOR not found :/" | |
| fi | |
| if [[ $EXECUTOR == "hyprpaper" ]]; then | |
| echo -ne "preload = $wallpaper \nwallpaper = ,$wallpaper" > ~/.config/hypr/hyprpaper.conf | |
| killall hyprpaper | |
| sleep 2 | |
| hyprpaper > /dev/null 2>&1 & | |
| exit 0 | |
| fi | |
| if [[ $EXECUTOR == "feh" ]]; then | |
| feg --bg-scale "$wallpaper" | |
| exit 0 | |
| fi | |
| notify "executor $EXECUTOR not supported :/" | |
| error "[set] executor $EXECUTOR not supported :/" |
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