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path: root/sh/migrate-to-run.sh.in
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#!@SHELL@
# Copyright (c) 2012 William Hubbs <w.d.hubbs@gmail.com>
# Released under the 2-clause BSD license.

. "@LIBEXECDIR@/sh/functions.sh"

if ! mountinfo -q -f tmpfs "@LIBEXECDIR@/init.d"; then
	einfo "The OpenRC dependency data has already been migrated."
	exit 0
fi

if [ ! -d "@PREFIX@/run" ]; then
	eerror "'@PREFIX@/run' is not a directory."
	eerror "This means the OpenRC dependency data cannot be migrated."
	eerror "Please create the '@PREFIX@/run' directory and reboot the system."
	exit 1
fi

if ! mountinfo -q -f tmpfs "@PREFIX@/run"; then
	for x in "@PREFIX@/run/."* "@PREFIX@/run/"*; do
		case "$x" in
			"@PREFIX@/run/."|"@PREFIX@/run/..")
				continue
				;;
		esac
		if [ -e "$x" ]; then
				eerror "Your '@PREFIX@/run' directory contains files."
				eerror "Please reboot the system."
				exit 1
		fi
	done

	mount -t tmpfs -o mode=0755,nosuid,nodev \
		tmpfs "@PREFIX@/run" 2> /dev/null
	if [ $? != 0 ]; then
		eerror "Unable to mount a tmpfs on '@PREFIX@/run'."
		eerror "This means the OpenRC dependency data cannot be migrated."
		eerror "Please create the '@PREFIX@/run' directory and reboot the system."
		exit 1
	fi
fi

rm -rf "@PREFIX@/run/openrc"
cp -a "@LIBEXECDIR@/init.d" "@PREFIX@/run/openrc"
rc-update -u
rm -rf "@LIBEXECDIR@/init.d"
umount "@LIBEXECDIR@/init.d"
einfo "The OpenRC dependency data was migrated successfully."
exit 0