Renamed the script and added two actions (chroot and shell)
This commit is contained in:
parent
b4c8c68113
commit
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246
gentchroot
Executable file
246
gentchroot
Executable file
@ -0,0 +1,246 @@
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#!/bin/bash
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#Setting up color codes
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SCRIPT_NAME=$0
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REAL_ARGS=$@
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Black='\033[0;30m'
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Red='\033[0;31m'
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Green='\033[0;32m'
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Orange='\033[0;33m'
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Blue='\033[0;34m'
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Purple='\033[0;35m'
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Cyan='\033[0;36m'
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Light_Gray='\033[0;37m'
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Dark_Gray='\033[1;30m'
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Light_Red='\033[1;31m'
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Light_Green='\033[1;32m'
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Yellow='\033[1;33m'
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Light_Blue='\033[1;34m'
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Light_Purple='\033[1;35m'
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Light_Cyan='\033[1;36m'
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White='\033[1;37m'
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NC='\033[0m'
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edebug () {
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einfo $@
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}
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einfo () {
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echo -e " ${Green}*${NC} ${@:1}${NC}"
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}
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ewarn () {
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echo -e " ${Yellow}*${NC} ${@:1}${NC}"
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}
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eerror () {
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echo -e " ${Red}*${Light_Red} ${@:1}${NC}"
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}
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die () {
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echo
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eerror die called, ending.
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exit 1
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}
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end () {
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exit 0
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}
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show_help () {
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echo -e "USAGE : ${Light_Green}${SCRIPT_NAME}${NC} ${Yellow}[options]${NC} ${Green}<action>${NC} ${Light_Red}</path/to/target>${NC} "
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echo -e
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echo -e "${Green}ACTIONS :${NC}"
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echo -e " install Install a gentoo environment in the target directory."
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echo -e " If one is already installed, it will simply overwrite the profile and update @system"
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echo -e " chroot Chroot in the target directory."
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echo -e " shell Open a shell with correct exports in order to run emerge in the target repository."
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echo -e " Useful when building an embeded system. (compilation happens on host's root)"
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echo -e "${Yellow}OPTIONS :${NC}"
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echo -e " -h --help Show this help."
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echo -e " -u --userland,--no-root Allow the script to run in userland."
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echo -e " -p --profile Use the specified profile."
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echo -e " This value will be used in a eselect profile set command."
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echo -e " -f --force Run even if something fails."
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echo -e "${Light_Red}TARGET :${NC}"
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echo -e " </path/to/target> Path to the future chroot installation,"
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echo -e " can be . to install in the current directory"
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}
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getopt --test
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if [ $? != 4 ]; then
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eerror "Your installation doesn't support enhanced getopt."
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die
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fi
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#Setting up the getopt parser
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echo -e ${Light_Blue} -- Welcome to Gentoo Chroot Helper -- ${NC}
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echo
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SHORT="hup:f"
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LONG="help,userland,no-root,profile:,force"
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OPTS=$(getopt --options $SHORT --long $LONG --name "$0" -- "$@")
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if [ $? != 0 ]
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then eerror Failed to parse options
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die
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fi
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eval set -- "$OPTS"
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#Setting default values
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NO_ROOT=false
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SHOW_HELP=false
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FORCE=false
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TARGET=""
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ACTION=""
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PROFILE="12"
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#Extracting arguments
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while true
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do case "$1" in
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-h | --help )
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SHOW_HELP=true
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shift
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;;
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-u | --userland | --no-root )
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NO_ROOT=true
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shift
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;;
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-p | --profile )
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PROFILE="$2"
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shift 2
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;;
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-f | --force )
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FORCE=true
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shift
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;;
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-- )
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shift
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;;
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*)
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if ! [ -z ${ACTION} ]
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then TARGET=$1
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break
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fi
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if [ -z ${ACTION} ]
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then ACTION=$1
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fi
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shift
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;;
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esac
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if [ -z "$1" ]
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then
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break
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fi
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done
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if $SHOW_HELP
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then
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show_help
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end
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fi
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if [ -z ${ACTION} ]
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then eerror Please specify an action.
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ewarn Run ${SCRIPT_NAME} --help for more info.
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die
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fi
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if [ -z ${TARGET} ]
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then eerror Please specify a target.
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ewarn Run ${SCRIPT_NAME} --help for more info.
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die
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fi
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if ! ${NO_ROOT}
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then
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if [ "$EUID" -ne 0 ]
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then eerror This script should be ran as root.
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ewarn If you want to run the script anyway use the --no-root argument.
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ewarn Warning : Userland chroot generation has not been tested yet.
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die
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fi
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fi
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if ${NO_ROOT}
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then ewarn Warning : NO_ROOT is experimental.
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fi
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if ${FORCE}
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then
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die () {
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echo
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eerror die called, but --force option is set.
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}
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fi
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if [ ${ACTION} == "install" ]
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then
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PROFILE_CHECK=$(eselect profile list |grep ${PROFILE})
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if [ -z "${PROFILE_CHECK}" ]
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then eerror Invalid profile specified : ${PROFILE}
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die
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fi
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PORTAGE_RSYNC_OPTS=$(emerge --info|grep PORTAGE_RSYNC_OPTS)
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PORTAGE_RSYNC_OPTS=${PORTAGE_RSYNC_OPTS:20}
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PORTAGE_RSYNC_OPTS=${PORTAGE_RSYNC_OPTS%\"*}
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einfo Installing @system in ${Red}${TARGET}${NC}
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einfo Profile selected : ${Light_Green}${PROFILE_CHECK}${NC}
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echo
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mkdir -p ${TARGET}/etc/portage || { eerror Could not create the directory; die; }
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cd ${TARGET} || die
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TARGET=$(pwd)
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edebug Entered ${Light_Blue}${TARGET}${NC}
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mkdir -p ${TARGET}/usr/portage/
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export ROOT=${TARGET}
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export PORTAGE_CONFIGROOT=${TARGET}
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export PORTDIR=${TARGET}/usr/portage
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einfo Syncing /usr/portage and ${TARGET} Gentoo Repositories.
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rsync ${PORTAGE_RSYNC_OPTS} /usr/portage/ ${PORTDIR} || { eerror Could not rsync .; die; }
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einfo Setting up the profile.
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rm ${TARGET}/etc/portage/make.profile 2>/dev/null
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ln -s ../../usr/portage/profiles/default/linux/amd64/17.0 ${TARGET}/etc/portage/make.profile
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eselect profile set ${PROFILE} || { eerror Could not set profile.; die; }
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einfo Installing ${Red}@system${NC}
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FEATURES="buildpkg" emerge --noreplace -k -j8 @system || { eerror Could not emerge @system ; die; }
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einfo Installing chroot scripts in ${Light_Green}${TARGET}${NC}
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echo "#!/bin/bash" > mountchroot.sh
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echo "mkdir -p ${TARGET}/proc ${TARGET}/sys ${TARGET}/dev || exit 1" >> mountchroot.sh
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echo "cp --dereference /etc/resolv.conf ${TARGET}/etc/ || exit 1" >> mountchroot.sh
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echo "mount --types proc /proc ${TARGET}/proc || exit 1" >> mountchroot.sh
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echo "mount --rbind /sys ${TARGET}/sys || exit 1" >> mountchroot.sh
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echo "mount --make-rslave ${TARGET}/sys || exit 1" >> mountchroot.sh
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echo "mount --rbind /dev ${TARGET}/dev || exit 1" >> mountchroot.sh
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echo "mount --make-rslave ${TARGET}/dev || exit 1" >> mountchroot.sh
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echo "#!/bin/bash" > umountchroot.sh
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echo "umount -R ${TARGET}/proc || exit 1" >> umountchroot.sh
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echo "umount -R ${TARGET}/sys || exit 1" >> umountchroot.sh
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echo "umount -R ${TARGET}/dev || exit 1" >> umountchroot.sh
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echo "rmdir ${TARGET}/proc ${TARGET}/sys ${TARGET}/dev" >> umountchroot.sh
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chmod +x mountchroot.sh umountchroot.sh
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fi
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if [ "${ACTION}" == "chroot" ]
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then
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cd ${TARGET} || die
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einfo Mounting /proc /sys and /dev.
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./mountchroot.sh || { eerror Could not mount the filesystem; eerror If you haven\'t already, run ${Yellow}${SCRIPT_NAME} install ${TARGET}${NC}; ./umountchroot.sh; die; }
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einfo Chrooting in ${Green}${TARGET}${NC}.
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einfo Note: Run exit to exit the chroot.
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export PS1="( $(pwd) ) [chroot] ${PS1}"
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chroot . /bin/bash -c "bash ; exit 0" && { einfo Left the chroot.; } || { eerror Could not chroot; ./umountchroot.sh; die; }
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einfo Unmounting /proc /sys and /dev.
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./umountchroot.sh || { ewarn Could not unmount the filesystem, a process is probably running inside ${Yellow}${TARGET}${NC}.; ewarn Be carefull when dealing with ${Yellow}${TARGET}${NC} as it contains block devices; }
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fi
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if [ "${ACTION}" == "shell" ]
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then
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cd ${TARGET} || die
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TARGET=$(pwd)
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export ROOT=${TARGET}
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export PORTAGE_CONFIGROOT=${TARGET}
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export PORTDIR=${TARGET}/usr/portage
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einfo You are entering a new shell.
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einfo When you have finished please run exit to end the program.
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cd ${TARGET}
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bash
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einfo You have left the shell.
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fi
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148
gentchroot.sh
148
gentchroot.sh
@ -1,148 +0,0 @@
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#!/bin/bash
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#Setting up color codes
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SCRIPT_NAME=$0
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Black='\033[0;30m'
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Red='\033[0;31m'
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Green='\033[0;32m'
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Orange='\033[0;33m'
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Blue='\033[0;34m'
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Purple='\033[0;35m'
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Cyan='\033[0;36m'
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Light_Gray='\033[0;37m'
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Dark_Gray='\033[1;30m'
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Light_Red='\033[1;31m'
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Light_Green='\033[1;32m'
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Yellow='\033[1;33m'
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Light_Blue='\033[1;34m'
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Light_Purple='\033[1;35m'
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Light_Cyan='\033[1;36m'
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White='\033[1;37m'
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NC='\033[0m'
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edebug () {
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einfo $@
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}
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einfo () {
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echo -e " ${Green}*${NC} ${@:1}${NC}"
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}
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ewarn () {
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echo -e " ${Yellow}*${NC} ${@:1}${NC}"
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}
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eerror () {
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echo -e " ${Red}*${Light_Red} ${@:1}${NC}"
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}
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die () {
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echo
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eerror die called, ending.
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exit 1
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}
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end () {
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exit 0
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}
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show_help () {
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echo -e "USAGE : ${Light_Green}${SCRIPT_NAME}${NC} ${Yellow}[options]${NC} ${Light_Red}</path/to/target>${NC} "
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echo -e
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echo -e "${Yellow}OPTIONS :${NC}"
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echo -e " -h --help Show this help."
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echo -e " -u --userland,--no-root Allow the script to run in userland."
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echo -e " -p --profile Use the specified profile."
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echo -e " This value will be used in a eselect profile set command."
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echo -e "${Light_Red}TARGET :${NC}"
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echo -e " </path/to/target> Path to the future chroot installation,"
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echo -e " can be . to install in the current directory"
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}
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getopt --test
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if [ $? != 4 ]; then
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eerror "Your installation doesn't support enhanced getopt."
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die
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fi
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#Setting up the getopt parser
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echo -e ${Light_Blue} -- Welcome to Gentoo Chroot Helper -- ${NC}
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echo
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SHORT="hup:"
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LONG="help,userland,no-root,profile:"
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OPTS=$(getopt --options $SHORT --long $LONG --name "$0" -- "$@")
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if [ $? != 0 ]
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then eerror Failed to parse options
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die
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fi
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eval set -- "$OPTS"
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#Setting default values
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NO_ROOT=false
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TARGET=false
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PROFILE="12"
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#Extracting arguments
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while true
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do case "$1" in
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-h | --help )
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show_help
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end
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shift
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;;
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-u | --userland | --no-root )
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NO_ROOT=true
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shift
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;;
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-p | --profile )
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PROFILE="$2"
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shift 2
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;;
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-- )
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shift
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;;
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*)
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TARGET=$1
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break
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;;
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esac
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done
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if [ -z ${TARGET} ]
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then eerror Please specify a target.
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ewarn Run ${SCRIPT_NAME} --help for more info.
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die
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fi
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if [ ${NO_ROOT} != true ]
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then
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if [ "$EUID" -ne 0 ]
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then eerror This script should be ran as root.
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ewarn If you want to run the script anyway use the --no-root argument.
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ewarn Warning : Userland chroot generation has not been tested yet.
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die
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fi
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fi
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if [ ${NO_ROOT} == true ]
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then ewarn Warning : NO_ROOT is experimental.
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fi
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PROFILE_CHECK=$(eselect profile list |grep ${PROFILE})
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if [ -z "${PROFILE_CHECK}" ]
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then eerror Invalid profile specified : ${PROFILE}
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die
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fi
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PORTAGE_RSYNC_OPTS=$(emerge --info|grep PORTAGE_RSYNC_OPTS)
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PORTAGE_RSYNC_OPTS=${PORTAGE_RSYNC_OPTS:20}
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PORTAGE_RSYNC_OPTS=${PORTAGE_RSYNC_OPTS%\"*}
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einfo Installing @system in ${Red}${TARGET}${NC}
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einfo Profile selected : ${Light_Green}${PROFILE_CHECK}${NC}
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echo
|
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||||||
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mkdir -p ${TARGET}/etc/portage || (eerror Could not create the directory; die)
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cd ${TARGET} || die
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TARGET=$(pwd)
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|
||||||
edebug Entered ${Light_Blue}${TARGET}${NC}
|
|
||||||
|
|
||||||
mkdir -p ${TARGET}/usr/portage/
|
|
||||||
|
|
||||||
export ROOT=${TARGET}
|
|
||||||
export PORTAGE_CONFIGROOT=${TARGET}
|
|
||||||
export PORTDIR=${TARGET}/usr/portage
|
|
||||||
einfo Syncing /usr/portage and ${TARGET} Gentoo Repositories.
|
|
||||||
rsync ${PORTAGE_RSYNC_OPTS} /usr/portage/ ${PORTDIR} || (eerror Could not rsync .; die)
|
|
||||||
ln -s ../../usr/portage/profiles/default/linux/amd64/17.0 ${TARGET}/etc/portage/make.profile
|
|
||||||
eselect profile set ${PROFILE} || (eerror Could not set profile.; die)
|
|
||||||
FEATURES="buildpkg" emerge -k -j8 @system || (eerror Could not emerge @system ; die)
|
|
||||||
Loading…
Reference in New Issue
Block a user