jochen
0fa90e5cf2
The distribution's i3lock behind a locker that releases xss-lock's sleep lock once it is up; timeouts and xss-lock from the session's xinitrc slot, ending with the session; i3lock-color and xscreensaver declared absent; Go tools lock, idle, inhibit and locked.
35 lines
1.3 KiB
Bash
Executable File
35 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# screen-lock (module screen-lock, novox/hq ADR 0208): the locker. xss-lock runs it on idle, before
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# suspend and on logind's Lock, and node-lock-screen's `lock` ends in it.
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#
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# The distribution's i3lock: a black screen, failed attempts shown, an empty Enter ignored. The colour
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# build the predecessor used is not in the distribution; it can come back as a pinned archive
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# (ADR 0205), and then only these options change.
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#
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# Before a suspend, xss-lock hands this script a lock on the sleep (XSS_SLEEP_LOCK_FD) and suspends
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# once it is released. The locker must not inherit it, or the machine would wait for the unlock
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# before sleeping; it is released once i3lock is up, so the machine never sleeps unlocked. This is
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# xss-lock's own documented pattern for i3lock.
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set -u
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options=(--color=000000 --show-failed-attempts --ignore-empty-password)
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# One locker: a second press of the key, or a lock while locked, changes nothing.
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if pgrep -xu "$EUID" i3lock >/dev/null; then
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exit 0
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fi
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if [[ -e /dev/fd/${XSS_SLEEP_LOCK_FD:--1} ]]; then
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kill_i3lock() { pkill -xu "$EUID" "$@" i3lock; }
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trap kill_i3lock TERM INT
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i3lock "${options[@]}" {XSS_SLEEP_LOCK_FD}<&-
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exec {XSS_SLEEP_LOCK_FD}<&-
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while kill_i3lock -0; do
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sleep 0.5
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done
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else
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trap 'kill %%' TERM INT
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i3lock --nofork "${options[@]}" &
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wait
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fi
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