Further cleanups and start of install.sh within chroot
This commit is contained in:
Stefan Reimer
parent
56b40e082f
commit
7408869fdd
159
scripts/build.sh
159
scripts/build.sh
@ -8,7 +8,7 @@
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#===============================================================================
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GENTOO_MIRROR="http://distfiles.gentoo.org"
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LOCAL_CACHE=/var/tmp
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IMAGE_ROOT=/mnt/gentoo
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CHROOT=/mnt/gentoo
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set -o nounset
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@ -107,57 +107,25 @@ fetch_file() {
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}
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# bootstrap ROOT_FS PROFILE ARCH
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# bootstrap, download stage3 and portage snapshot
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bootstrap() {
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local ROOT_FS=$1
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local PROFILE=$2
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local ARCH=$3
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local STAGE_PATH
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local STAGE_ARCH
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local LATEST_STAGE_FILE
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local ESELECT_PROFILE
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[ -d ${CHROOT} ] || die "${CHROOT} does not exists"
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[ -w ${CHROOT} ] || die "${CHROOT} isn't writable"
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if [ "${ARCH}" = "i686" ] ; then
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STAGE_ARCH=${ARCH}
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# Why do they use x86 here ? :(
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STAGE_PATH="${GENTOO_MIRROR}/releases/x86/autobuilds"
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elif [ "${ARCH}" = "x86_64" ] ; then
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STAGE_ARCH="amd64"
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STAGE_PATH="${GENTOO_MIRROR}/releases/${STAGE_ARCH}/autobuilds"
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else
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die "Unknown architecture!"
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fi
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if [ "${PROFILE}" = "hardened" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}-hardened.txt"
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ESELECT_PROFILE="hardened/linux/${ARCH}"
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elif [ "${PROFILE}" = "hardened-no-multilib" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}-hardened+nomultilib.txt"
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ESELECT_PROFILE="hardened/linux/${ARCH}/no-multilib"
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elif [ "${PROFILE}" = "default" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${STAGE_ARCH}.txt"
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ESELECT_PROFILE="default/linux/${ARCH}/13.0"
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else
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die "Unknown profile!"
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fi
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[ -d ${ROOT_FS} ] || die "${ROOT_FS} does not exists"
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[ -w ${ROOT_FS} ] || die "${ROOT_FS} isn't writable"
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cd ${ROOT_FS}
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cd ${CHROOT}
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# first install stage 3
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if [ -d "usr" ] ; then
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echo "There seems to be already files in ${ROOT_FS} !"
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echo "There seems to be already files in ${CHROOT} !"
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echo "Press <Ctrl+c> to abort, or <Return> to proceed without extracting stage3 ..."
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read -r REPLY
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else
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STAGE_TARBALL=${GENTOO_MIRROR}/releases/${STAGE_ARCH}/autobuilds/$(curl -s ${LATEST_STAGE_FILE} | grep -v "^#" | head -n 1)
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STAGE_TARBALL=${GENTOO_MIRROR}/releases/${ARCH}/autobuilds/$(curl -s ${LATEST_STAGE_FILE} | grep -v "^#" | head -n 1)
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fetch_file "${STAGE_TARBALL}" "${STAGE_TARBALL}.DIGESTS" || die "Cannot get ${STAGE_TARBALL}"
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echo "Extracting stage3 to ${ROOT_FS} ..."
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echo "Extracting stage3 to ${CHROOT} ..."
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tar jxpf $(basename ${STAGE_TARBALL}) || die "Extracting stage3 failed"
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rm -f $(basename ${STAGE_TARBALL})
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@ -168,8 +136,8 @@ bootstrap() {
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_PORTAGE_MOUNTED=0
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if [ "x${BIND_PORTAGE}" != "x" -a -d ${BIND_PORTAGE} ] ; then
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mkdir -p ${ROOT_FS}/usr/portage
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mount --bind ${BIND_PORTAGE} ${ROOT_FS}/usr/portage || die "Error mounting ${BIND_PORTAGE}"
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mkdir -p ${CHROOT}/usr/portage
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mount --bind ${BIND_PORTAGE} ${CHROOT}/usr/portage || die "Error mounting ${BIND_PORTAGE}"
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# Remember we mounted portage
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_PORTAGE_MOUNTED=1
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@ -181,42 +149,65 @@ bootstrap() {
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read -r REPLY
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else
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fetch_file "${PORTAGE_SNAPSHOT}" "${PORTAGE_SNAPSHOT}.md5sum"
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echo "Extracting latest portage snapshot to ${ROOT_FS}/usr ..."
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tar jxf $(basename ${PORTAGE_SNAPSHOT}) -C "${ROOT_FS}/usr" || die "Extracting portage snapshot failed"
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echo "Extracting latest portage snapshot to ${CHROOT}/usr ..."
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tar jxf $(basename ${PORTAGE_SNAPSHOT}) -C "${CHROOT}/usr" || die "Extracting portage snapshot failed"
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rm -f portage-latest.tar.bz2
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fi
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fi
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}
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# setup_chroot ROOT_FS
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# setup_chroot CHROOT
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setup_chroot() {
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local ROOT_FS=$1
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# resolve.conf
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cp -L /etc/resolv.conf ${ROOT_FS}/etc/resolv.conf || die "Can't copy resolv.conf"
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# mount pseudo filesystems
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mount -t proc none ${ROOT_FS}/proc || die "Error mounting /proc"
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mount --rbind /dev ${ROOT_FS}/dev || die "Error mounting /dev"
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mount --rbind /sys ${ROOT_FS}/sys || die "Error mounting /sys"
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mount -t proc none ${CHROOT}/proc || die "Error mounting /proc"
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mount --rbind /dev ${CHROOT}/dev || die "Error mounting /dev"
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mount --rbind /sys ${CHROOT}/sys || die "Error mounting /sys"
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}
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# Actually prepare the install script running within chroot
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# and run it
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install_gentoo() {
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local ROOT_FS=$1
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if [ ${INTERACTIVE} = 1 ]; then
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echo "Done. Entering chroot environment. Good luck..."
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chroot ${ROOT_FS} /bin/bash
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echo "Done. Entering chroot environment. All yours..."
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chroot ${CHROOT} /bin/bash
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else
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# Install make.conf
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# resolve.conf
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echo "Copy resolv.conf from host"
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cp -L /etc/resolv.conf ${CHROOT}/etc/resolv.conf || die "Can't copy resolv.conf"
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# emerge --sync --quiet
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# Install make.conf
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if [ "x${MAKE_CONF}" != "x" ]; then
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[ -r ${MAKE_CONF} ] || die "Cannot read ${MAKE_CONF}"
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echo "Using custom make.conf"
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cp ${MAKE_CONF} ${CHROOT}/etc/portage/
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fi
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# From here we create the install script and execute it within the chroot at the end
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cat << 'EOF' > ${CHROOT}/tmp/install.sh
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#!/bin/bash
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set -x
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source /etc/profile
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export PS1="(chroot) $PS1"
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EOF
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# Sync portage if not mounted
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if [ ${_PORTAGE_MOUNTED} = 0 ]; then
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cat << 'EOF' >> ${CHROOT}/tmp/install.sh
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echo "Syncing portage snapshot..."
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emerge -p --sync --quiet
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EOF
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fi
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# eselect profile
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cat << EOF >> ${CHROOT}/tmp/install.sh
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echo "Setting profile to ${ESELECT_PROFILE}"
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eselect profile set ${ESELECT_PROFILE}
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EOF
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# Set Timezone
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@ -226,6 +217,9 @@ install_gentoo() {
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# boot + kernel + lib/modules
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# /etc/fstab
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chmod 755 ${CHROOT}/tmp/install.sh
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chroot ${CHROOT} /tmp/install.sh
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echo "Done !"
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echo "Press <Return> to tear down the chroot environment once you are done."
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read -r REPLY
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@ -236,18 +230,17 @@ install_gentoo() {
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# Clean up host
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cleanup() {
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local ROOT_FS=$1
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umount ${ROOT_FS}/dev/pts ${ROOT_FS}/dev ${ROOT_FS}/sys ${ROOT_FS}/proc
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umount ${CHROOT}/dev/pts ${CHROOT}/dev ${CHROOT}/sys ${CHROOT}/proc
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if [ ${_PORTAGE_MOUNTED} != 0 ]; then
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umount ${ROOT_FS}/usr/portage
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umount ${CHROOT}/usr/portage
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else
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rm -rf ${ROOT_FS}/usr/portage/distfiles/*
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rm -rf ${CHROOT}/usr/portage/distfiles/*
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fi
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# Clean up chroot
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rm -rf ${ROOT_FS}/tmp/*
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rm -rf ${ROOT_FS}/var/tmp/*
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rm -rf ${CHROOT}/tmp/*
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rm -rf ${CHROOT}/var/tmp/*
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}
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@ -263,7 +256,7 @@ OPTIONS:
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-a arch, either i686 or x86_64, defaults to uname -m
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-p profile, [ hardened | hardened-no-multilib | default *]
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-t The timezone to use, default to GMT
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-r chroot location (default $IMAGE_ROOT )
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-r chroot location (default $CHROOT )
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-c local cache (default $LOCAL_CACHE)
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-b bind mount portage tree from, instead of downloading portage snapshot
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-i interactive, enter chroot only, do NOT run install script
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@ -275,7 +268,7 @@ EOF
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DEBUG=0
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INTERACTIVE=0
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MAKE_CONF="/etc/portage/make.conf"
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MAKE_CONF=""
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BIND_PORTAGE=""
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while getopts ":a:p:t:r:c:m:b:dhi" OPTIONS; do
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case $OPTIONS in
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@ -284,7 +277,7 @@ while getopts ":a:p:t:r:c:m:b:dhi" OPTIONS; do
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t ) TIMEZONE=$OPTARG;;
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d ) DEBUG=1;;
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b ) BIND_PORTAGE=$OPTARG;;
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r ) IMAGE_ROOT=$OPTARG;;
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r ) CHROOT=$OPTARG;;
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c ) LOCAL_CACHE=$OPTARG;;
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i ) INTERACTIVE=1;;
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m ) MAKE_CONF=$OPTARG;;
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@ -304,14 +297,40 @@ ARCH=${ARCH-"$(uname -m)"}
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PROFILE=${PROFILE="default"}
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TIMEZONE=${TIMEZONE-"GMT"}
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if [ "${ARCH}" = "i686" ] ; then
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# Why do they use x86 here ? :(
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STAGE_PATH="${GENTOO_MIRROR}/releases/x86/autobuilds"
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elif [ "${ARCH}" = "x86_64" ] ; then
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ARCH="amd64"
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STAGE_PATH="${GENTOO_MIRROR}/releases/${ARCH}/autobuilds"
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elif [ "${ARCH}" = "amd64" ] ; then
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STAGE_PATH="${GENTOO_MIRROR}/releases/${ARCH}/autobuilds"
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else
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die "Unknown architecture!"
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fi
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if [ "${PROFILE}" = "hardened" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${ARCH}-hardened.txt"
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ESELECT_PROFILE="hardened/linux/${ARCH}"
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elif [ "${PROFILE}" = "hardened-no-multilib" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${ARCH}-hardened+nomultilib.txt"
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ESELECT_PROFILE="hardened/linux/${ARCH}/no-multilib"
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elif [ "${PROFILE}" = "default" ] ; then
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LATEST_STAGE_FILE="${STAGE_PATH}/latest-stage3-${ARCH}.txt"
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ESELECT_PROFILE="default/linux/${ARCH}/13.0"
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else
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die "Unknown profile!"
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fi
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if [ ${DEBUG} -eq 1 ]; then
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set -x
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fi
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bootstrap ${IMAGE_ROOT} ${PROFILE} ${ARCH}
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bootstrap
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# From here make sure we don't leave stuff around on the host
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trap "cleanup ${IMAGE_ROOT}" INT TERM EXIT
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trap "cleanup" INT TERM EXIT
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setup_chroot ${IMAGE_ROOT}
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install_gentoo ${IMAGE_ROOT}
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setup_chroot
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install_gentoo
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