72 lines
2.1 KiB
Bash
Executable file
72 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
|
|
# locker script -- makes sure that x does not give up the lock easily (using i3lock)
|
|
# simply locks the screen on wayland (using waylock)
|
|
|
|
## CONFIGURATION ##############################################################
|
|
|
|
is_wayland() {
|
|
# alternative $(</proc/self/sessionid), see
|
|
# https://stackoverflow.com/questions/3214935/can-a-bash-script-tell-if-its-being-run-via-cron
|
|
if loginctl show-session "$(loginctl show-user "$(whoami)" -p Display --value)" -p Type --value | grep -q wayland; then
|
|
true
|
|
else
|
|
false
|
|
fi
|
|
}
|
|
|
|
# Options to pass to i3lock
|
|
i3lock_options="-e -f -c 1d2021"
|
|
waylock_options="-init-color 0x223344 -input-color 0x224444 -fail-color 0x554444 -fork-on-lock"
|
|
|
|
# Run before starting the locker
|
|
pre_lock() {
|
|
# pause all currently playing media and mute system
|
|
type mpc >/dev/null 2>&1 && mpc -q pause
|
|
type playerctl >/dev/null 2>&1 && playerctl -s pause
|
|
type amixer >/dev/null 2>&1 && amixer -q set Master mute
|
|
|
|
# lock any pass coffins if we have them
|
|
type pass >/dev/null 2>&1 && pass close >/dev/null 2>&1
|
|
|
|
return
|
|
}
|
|
|
|
# Run after the locker exits
|
|
post_lock() {
|
|
return
|
|
}
|
|
|
|
###############################################################################
|
|
|
|
pre_lock
|
|
|
|
if is_wayland; then
|
|
# shellcheck disable=SC2086
|
|
waylock $waylock_options
|
|
elif [ -e "/dev/fd/${XSS_SLEEP_LOCK_FD:--1}" ]; then
|
|
# On X, we set a trap to kill the locker if we get killed, then start the locker and
|
|
# wait for it to exit. The waiting is not that straightforward when the locker
|
|
# forks, so we use this polling only if we have a sleep lock to deal with.
|
|
kill_i3lock() {
|
|
pkill -xu "$EUID" "$@" i3lock
|
|
}
|
|
|
|
trap kill_i3lock TERM INT
|
|
|
|
# we have to make sure the locker does not inherit a copy of the lock fd
|
|
i3lock "$i3lock_options" {XSS_SLEEP_LOCK_FD}<&-
|
|
|
|
# now close our fd (only remaining copy) to indicate we're ready to sleep
|
|
exec {XSS_SLEEP_LOCK_FD}<&-
|
|
|
|
while kill_i3lock -0; do
|
|
sleep 0.5
|
|
done
|
|
else
|
|
trap 'kill %%' TERM INT
|
|
i3lock -n "$i3lock_options" &
|
|
wait
|
|
fi
|
|
|
|
post_lock
|