Files
scratchpkg/extra/schroot
2018-09-15 18:03:29 +08:00

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#!/bin/bash
#
# scratchpkg
#
# Copyright (c) 2018 by Emmett1 (emmett1.2miligrams@gmail.com)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
RED='\e[0;31m' #Red
GREEN='\e[0;32m' #Green
CRESET='\e[0m' #Reset color
msg() {
echo -e "${GREEN}==>${CRESET} $1"
}
msgerr() {
echo -e "${RED}==> ERROR:${CRESET} $1"
}
if [ "$UID" != "0" ]; then
msgerr "Chroot need root access!"
exit 1
fi
LFS=$1
if [ -z $1 ]; then
msgerr "Please set directory for chroot!"
exit 1
fi
if [ ! -d $LFS ]; then
msgerr "Directory '$LFS' not exist"
exit 1
fi
pushd $LFS
mount -v --bind /dev $LFS/dev
mount -vt devpts devpts $LFS/dev/pts -o gid=5,mode=620
mount -vt proc proc $LFS/proc
mount -vt sysfs sysfs $LFS/sys
mount -vt tmpfs tmpfs $LFS/run
if [ -h $LFS/dev/shm ]; then
mkdir -pv $LFS/$(readlink $LFS/dev/shm)
fi
chroot "$LFS" /usr/bin/env -i \
HOME=/root \
TERM="$TERM" \
PS1='\u:\w\$ ' \
PATH=/bin:/usr/bin:/sbin:/usr/sbin /bin/bash --login
popd
msg "Chroot exited"
msg "Unmounting virtual filesystem"
umount -v $LFS/dev/pts
umount -v $LFS/dev
umount -v $LFS/run
umount -v $LFS/proc
umount -v $LFS/sys
exit $?