start-chroot.sh

#!/bin/bashCHROOTDIR="/chroot"NOCOLOR="\033[0m"RED="\033[1;31m"GREEN="\033[0;32m"YELLOW="\033[0;33m"BLUE="\033[0;34m"BLUEGREEN="\033[0;36m"function mountverify {  [[ "$#" -ne 1 ]] && return 1  local mountpoint=${CHROOTDIR}$1  echo -en "  ${BLUE}${mountpoint} ... "  if grep -q ${mountpoint} /etc/mtab; then    echo -e "${YELLOW}already mounted${NOCOLOR}"  else    [[ $1 == "/proc" ]] \      && local mountcommand="mount -t proc none ${mountpoint}" \      || local mountcommand="mount -o bind $1 ${mountpoint}"    ${mountcommand} \      && echo -e "${GREEN}done${NOCOLOR}" \      || echo -e "${RED}failed${NOCOLOR}"  fi}[ ${UID} != 0 ] && echo -e "${RED}You need to be root to run this !${NOCOLOR}" && exit 1echo -e "${BLUEGREEN}Mouting directories into chroot ... ${NOCOLOR}"mountverify /procmountverify /devmountverify /sysmountverify /var/portagemountverify /var/distfilesmountverify /usr/src/linuxmountverify /lib/modulesmountverify /tmpecho -en "${BLUEGREEN}Coping /etc/resolv.conf into chroot ... ${NOCOLOR}"cp -f /etc/resolv.conf ${CHROOTDIR}/etc/resolv.conf \  && echo -e "${GREEN}done${NOCOLOR}" \  || echo -e "${RED}failed${NOCOLOR}"echo -e "${BLUEGREEN}Chrooting ... ${NOCOLOR}\n"chroot ${CHROOTDIR} /bin/bash