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Filename : resume
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#!/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