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#!/bin/sh
# lh_chroot_resolv(1) - manage /etc/resolv.conf
set -e
# Source common functions
for FUNCTION in /usr/share/live-helper/functions/*.sh
do
. ${FUNCTION}
done
# Reading configuration files
Read_conffile config/common
Read_conffile config/chroot
Set_defaults
# Requiring stage file
Require_stagefile "${LIVE_ROOT}"/.stage/bootstrap
# Checking lock file
Check_lockfile "${LIVE_ROOT}"/.lock
# Creating lock file
Create_lockfile "${LIVE_ROOT}"/.lock
case "${1}" in
install)
# Checking stage file
Check_stagefile "${LIVE_ROOT}"/.stage/chroot_resolv
if [ -f "${LIVE_CHROOT}"/etc/resolv.conf ]
then
# Save resolv file
cp "${LIVE_CHROOT}"/etc/resolv.conf "${LIVE_CHROOT}"/etc/resolv.conf.orig
fi
if [ -f /etc/resolv.conf ]
then
# Copy resolv file
cp /etc/resolv.conf "${LIVE_CHROOT}"/etc/resolv.conf
fi
# Creating stage file
Create_stagefile "${LIVE_ROOT}"/.stage/chroot_resolv
;;
remove)
if [ -f "${LIVE_CHROOT}"/etc/resolv.conf.orig ]
then
# Restore resolv file
mv "${LIVE_CHROOT}"/etc/resolv.conf.orig "${LIVE_CHROOT}"/etc/resolv.conf
else
# Remove resolv file
rm -f "${LIVE_CHROOT}"/etc/resolv.conf
fi
# Removing stage file
rm -f "${LIVE_ROOT}"/.stage/chroot_resolv
;;
*)
echo "Usage: ${0} {install|remove}"
exit 1
;;
esac
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