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#!/bin/bash
dbus_interface="org.freedesktop.login1"
dbus_member="PrepareForSleep"
# system suspends when 'PrepareForSleep' signal is 'true':
# ... /org/freedesktop/login1: org.freedesktop.login1.Manager.PrepareForSleep (true,) ...
# system resumes when 'PrepareForSleep' signal is 'false'
# ... /org/freedesktop/login1: org.freedesktop.login1.Manager.PrepareForSleep (false,) ...
dbus_process_sleep() {
local line
while read -r line; do
if [[ "$line" =~ $dbus_member ]]; then
if [[ "$line" =~ 'true' ]]; then
### SUSPEND ###
logger '[psd-suspend-sync] Issuing suspend-sync request...'
/usr/bin/profile-sync-daemon suspend-sync
# the lock will be released now
break
elif [[ "$line" =~ 'false' ]]; then
### RESUME ###
logger '[psd-suspend-sync] re-taking inhibit lock...'
/usr/bin/profile-sync-daemon recycle-inhibit-lock
break
fi
fi
done
}
exec {gdbus_fd}< <(gdbus monitor --system --dest "$dbus_interface")
gdbus_PID=$!
trap 'exec {gdbus_fd}<&-; kill "$gdbus_PID"' EXIT
{
# delay sleep until browser profiles are written to disk
systemd-inhibit --mode="delay" --what="sleep" \
--who="profile-sync-daemon" --why="psd resync on suspend" \
cat | dbus_process_sleep
# detect resume and restart the entire process
dbus_process_sleep
} <&$gdbus_fd
# vim:set ts=2 sw=2 et:
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