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dotfiles/.config/mango/scripts/lock.sh

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#!/usr/bin/env bash
# Manual screen-lock for mango.
# - Locks via waylock (immediate lockscreen).
# - While locked, runs an aggressive 10 s idle blanker.
# - Pauses kanshi during blank to prevent profile flip-flop on the
# Lenovo USB-C dock (DP-MST drops link on DPMS off).
# - Cleans up on unlock.
set -e
# Don't stack lockers if one is already running (re-press, or
# before-sleep firing while already locked).
pgrep -x waylock >/dev/null && exit 0
# Short-timeout idle blanker, only alive while we're locked.
swayidle -w \
timeout 10 'pkill -STOP kanshi 2>/dev/null; wlopm --off "*"' \
resume 'wlopm --on "*"; sleep 0.5; pkill -CONT kanshi 2>/dev/null' \
>/dev/null 2>&1 &
LOCK_IDLE_PID=$!
# Cleanup on unlock: stop the idle watcher, ensure outputs are on,
# and resume kanshi in case the trap fires mid-blank.
trap '
kill "$LOCK_IDLE_PID" 2>/dev/null || true
wlopm --on "*" 2>/dev/null || true
pkill -CONT kanshi 2>/dev/null || true
' EXIT
# Block here until waylock exits on successful auth.
waylock