File: //usr/lib/dracut/modules.d/95resume/resume.sh
#!/bin/sh
PATH=/usr/sbin:/usr/bin:/sbin:/bin
[ -s /.resume -a -b "$resume" ] && {
# First try user level resume; it offers splash etc
case "$splash" in
quiet )
a_splash="-P splash=y"
;;
* )
a_splash="-P splash=n"
;;
esac
[ -x "$(command -v resume)" ] && command resume $a_splash "$resume"
# parsing the output of ls is Bad, but until there is a better way...
ls -lH "$resume" | (
read x x x x maj min x;
echo "${maj%,}:$min"> /sys/power/resume)
>/.resume
}