#!/bin/sh

PREREQ=""

prereqs()
{
echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
prereqs
exit 0
;;
esac

if [ -z "${resume}" ]; then
exit 0
fi

case $resume in
LABEL=*)
resume="${resume#LABEL=}"

# support any / in LABEL= path (escape to \x2f)
case "${resume}" in
*/*)
if command -v sed >/dev/null 2>&1; then
resume="$(echo ${resume} | sed 's,/,\\x2f,g')"
else
if [ "${resume}" != "${resume#/}" ]; then
resume="\x2f${resume#/}"
fi
if [ "${resume}" != "${resume%/}" ]; then
resume="${resume%/}\x2f"
fi
IFS='/'
newresume=
for s in $resume; do
newresume="${newresume:+${newresume}\\x2f}${s}"
done
unset IFS
resume="${newresume}"
fi
esac
resume="/dev/disk/by-label/${resume}"
;;
UUID=*)
resume="/dev/disk/by-uuid/${resume#UUID=}"
;;
esac

SWAPTYPE=$(wait-for-root "${resume}" ${RESUMEDELAY:-5})

case "${SWAPTYPE}" in
swsuspend|s1suspend|s2suspend|ulsuspend|tuxonice)
if [ -x /bin/plymouth ] && plymouth --ping; then
plymouth message --text="Resuming from $resume"
fi

# hardcode path, uswsusp ships an resume binary too
if [ -n "${resume_offset}" ]; then
/bin/resume ${resume} ${resume_offset}
else
/bin/resume ${resume}
fi
;;
esac