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https://github.com/Stunkymonkey/dotfiles.git
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16aad7f4c5
Convert all shebangs to /usr/bin/env bash, if bash is really required in the script. Otherwise convert it to /bin/sh. /bin/bash is not available on all systems, while /usr/bin/env bash and /bin/sh are.
144 lines
2.5 KiB
Bash
Executable file
144 lines
2.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# shellcheck source=.lockvars
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# shellcheck disable=SC1091
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[ -f "$HOME/.lockvars" ] && [ -r "$HOME/.lockvars" ] && . ~/.lockvars
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LOCK_TIME=${LOCK_TIME:-3}
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LOCK_NOTIFY_TIME=${LOCK_NOTIFY_TIME:-15}
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SOCK_PATH="/run/user/${UID}/i3/locksock-${XDG_SESSION_ID:-unknown}"
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if [ -n "${WAYLAND_DISPLAY}" ]; then
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LOCK_CMD="swaylock"
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else
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LOCK_CMD="i3lock"
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fi
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OUTPUT_IMAGE="$HOME/.lockscreen.png"
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error(){
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echo -e '\e[01;31m"$*"\e[0m' >&2
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}
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usage(){
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#TODO
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cat >&2 <<-FIN
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Usage:
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-f force lock
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-l execute the locker
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-n send notification
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-d execute the xautolock daemon
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-h help
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Mind, that the options are order-sensitive:
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-lf != -fl && -l == -lf
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(-fl is probably the thing you want)
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FIN
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exit 1
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}
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checkfull(){
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[ 1 -eq "$force" ] || ~/.local/bin/checknofullscreen
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}
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encrypt_the_chest(){
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if command -v systemctl &>/dev/null; then
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systemctl hibernate || shutdown now
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else
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shutdown now
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fi
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}
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lock(){
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socat /dev/null "UNIX-LISTEN:${SOCK_PATH}" &
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local socat_pid=$!
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scrot -z "$OUTPUT_IMAGE"
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convert "$OUTPUT_IMAGE" -resize 20% -level 0%,100%,0.9 -blur 0x2 -resize 500% "$OUTPUT_IMAGE"
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${LOCK_CMD} \
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-t \
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-n \
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-i "$OUTPUT_IMAGE"
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rm "$OUTPUT_IMAGE"
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kill ${socat_pid}
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}
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notification(){
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notify-send \
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-a lockscreen \
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-c lock-warn \
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-u critical \
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-t 100 \
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-i system-lock-screen \
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"Locking Screen" \
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"Will Lock Screen in 15s"
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}
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daemon_signallistener(){
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dbus-monitor --system --profile path=/org/freedesktop/login1 2>/dev/null \
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| while read -r _ _ _ _ _ _ _ signal _; do
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case "${signal}" in
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PrepareForSleep) $0 -fl & ;;
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*) true;;
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esac
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done
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}
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daemon_xautolock() {
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# Do not use -secure option, as we have to use -locknow
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xautolock \
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-time "$LOCK_TIME" \
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-locker "$0 -l" \
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-nowlocker "$0 -fl" \
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-notify "$LOCK_NOTIFY_TIME" \
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-notifier "$0 -n" \
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-noclose
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}
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# Listen for signals from the DBus Service as
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# xautolock does not always catch system sleeps
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daemon(){
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daemon_signallistener &
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local pid_signal=$!
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daemon_xautolock &
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local pid_xautolock=$!
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trap 'kill "${pid_xautolock}" "${pid_signal}" && wait'
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wait
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}
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force=0
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while getopts ":hdfln" opt; do
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case $opt in
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h)
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usage
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;;
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f)
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force=1
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;;
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l)
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[ -S "${SOCK_PATH}" ] \
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|| (checkfull && (lock )) #|| encrypt_the_chest))
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;;
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n)
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checkfull && notification
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;;
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d)
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daemon
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;;
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\?)
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error "Invalid option: -${opt}"
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usage
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;;
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:)
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error "Option -${opt} requires an argument."
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usage
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;;
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esac
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done
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