02808a1ffa
Since all post-installkernel steps are assumed to operate in the updated installation, it's necessary to chroot all of the followup steps in the new boot environment. Set up and mount the source and object directories at the same paths inside the BE root, and clean up to the extent changes were made. This commit fixes upgrading using beinstall past the new ntpd user change. Improve testability of changes to this script while I'm here. Reported by: rpokala (earlier patch)
248 lines
8.2 KiB
Bash
Executable File
248 lines
8.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2016 Will Andrews
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer
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# in this position and unchanged.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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##
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# Install a boot environment using the current FreeBSD source tree.
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# Requires a fully built world & kernel.
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#
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# Non-base tools required: beadm, pkg
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#
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# In a sandbox for the new boot environment, this script also runs etcupdate
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# and pkg upgrade automatically in the sandbox. Upon successful completion,
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# the system will be ready to boot into the new boot environment. Upon
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# failure, the target boot environment will be destroyed. In all cases, the
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# running system is left untouched.
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#
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## Usage:
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# beinstall [optional world/kernel flags e.g. KERNCONF]
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#
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## User modifiable variables - set these in the environment if desired.
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# If not empty, 'pkg upgrade' will be skipped.
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NO_PKG_UPGRADE="${NO_PKG_UPGRADE:-""}"
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# Config updater - 'etcupdate' and 'mergemaster' are supported. Set to an
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# empty string to skip.
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CONFIG_UPDATER="${CONFIG_UPDATER:-"etcupdate"}"
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# Flags for etcupdate if used.
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ETCUPDATE_FLAGS="${ETCUPDATE_FLAGS:-"-F"}"
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# Flags for mergemaster if used.
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MERGEMASTER_FLAGS="${MERGEMASTER_FLAGS:-"-iFU"}"
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########################################################################
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## Constants
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ETCUPDATE_CMD="etcupdate"
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MERGEMASTER_CMD="mergemaster"
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## Functions
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cleanup() {
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[ -z "${cleanup_commands}" ] && return
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echo "Cleaning up ..."
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for command in ${cleanup_commands}; do
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${command}
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done
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}
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errx() {
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cleanup
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echo "error: $@"
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exit 1
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}
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rmdir_be() {
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chflags -R noschg ${BE_MNTPT}
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rm -rf ${BE_MNTPT}
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}
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unmount_be() {
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mount | grep " on ${BE_MNTPT}" | awk '{print $3}' | sort -r | xargs -t umount -f
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}
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cleanup_be() {
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# Before destroying, unmount any child filesystems that may have
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# been mounted under the boot environment. Sort them in reverse
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# order so children are unmounted first.
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unmount_be
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# Finally, clean up any directories that were created by the
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# operation, via cleanup_be_dirs().
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if [ -n "${created_be_dirs}" ]; then
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chroot ${BE_MNTPT} /bin/rm -rf ${created_be_dirs}
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fi
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beadm destroy -F ${BENAME}
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}
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create_be_dirs() {
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echo "${BE_MNTPT}: Inspecting dirs $*"
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for dir in $*; do
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curdir="$dir"
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topdir="$dir"
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while :; do
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[ -e "${BE_MNTPT}${curdir}" ] && break
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topdir=$curdir
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curdir=$(dirname ${curdir})
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done
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[ "$curdir" = "$dir" ] && continue
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# Add the top-most nonexistent directory to the list, then
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# mkdir -p the innermost directory specified by the argument.
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# This way the least number of directories are rm'd directly.
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created_be_dirs="${topdir} ${created_be_dirs}"
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echo "${BE_MNTPT}: Created ${dir}"
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mkdir -p ${BE_MNTPT}${dir} || return $?
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done
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return 0
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}
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update_mergemaster_pre() {
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mergemaster -p -m ${srcdir} -D ${BE_MNTPT} -t ${BE_MM_ROOT} ${MERGEMASTER_FLAGS}
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}
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update_mergemaster() {
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chroot ${BE_MNTPT} \
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mergemaster -m ${srcdir} -t ${BE_MM_ROOT} ${MERGEMASTER_FLAGS}
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}
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update_etcupdate_pre() {
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etcupdate -p -s ${srcdir} -D ${BE_MNTPT} ${ETCUPDATE_FLAGS} || return $?
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etcupdate resolve -D ${BE_MNTPT} || return $?
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}
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update_etcupdate() {
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chroot ${BE_MNTPT} \
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etcupdate -s ${srcdir} ${ETCUPDATE_FLAGS} || return $?
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chroot ${BE_MNTPT} etcupdate resolve
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}
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# Special command-line subcommand that can be used to do a full cleanup
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# after a manual post-mortem has been completed.
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postmortem() {
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[ -n "${BENAME}" ] || errx "Must specify BENAME"
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[ -n "${BE_MNTPT}" ] || errx "Must specify BE_MNTPT"
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echo "Performing post-mortem on BE ${BENAME} at ${BE_MNTPT} ..."
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unmount_be
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rmdir_be
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echo "Post-mortem cleanup complete."
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echo "To destroy the BE (recommended), run: beadm destroy ${BENAME}"
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echo "To instead continue with the BE, run: beadm activate ${BENAME}"
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}
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if [ -n "$BEINSTALL_CMD" ]; then
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${BEINSTALL_CMD} $*
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exit $?
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fi
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cleanup_commands=""
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trap 'errx "Interrupt caught"' HUP INT TERM
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[ "$(whoami)" != "root" ] && errx "Must be run as root"
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[ ! -f "Makefile.inc1" ] && errx "Must be in FreeBSD source tree"
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srcdir=$(pwd)
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objdir=$(make -V .OBJDIR 2>/dev/null)
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[ ! -d "${objdir}" ] && errx "Must have built FreeBSD from source tree"
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# May be a worktree, in which case .git is a file, not a directory.
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if [ -e .git ] ; then
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commit_time=$(git show --format='%ct' 2>/dev/null | head -1)
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[ $? -ne 0 ] && errx "Can't lookup git commit timestamp"
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commit_ts=$(date -r ${commit_time} '+%Y%m%d.%H%M%S')
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elif [ -d .svn ] ; then
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if [ -e /usr/bin/svnlite ]; then
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svn=/usr/bin/svnlite
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elif [ -e /usr/local/bin/svn ]; then
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svn=/usr/local/bin/svn
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else
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errx "Unable to find subversion"
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fi
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commit_ts="$( "$svn" info --show-item last-changed-date | sed -e 's/\..*//' -e 's/T/./' -e 's/-//g' -e s'/://g' )"
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[ $? -ne 0 ] && errx "Can't lookup Subversion commit timestamp"
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else
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errx "Unable to determine source control type"
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fi
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commit_ver=$(${objdir}/bin/freebsd-version/freebsd-version -u 2>/dev/null)
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[ -z "${commit_ver}" ] && errx "Unable to determine FreeBSD version"
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BENAME="${commit_ver}-${commit_ts}"
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BE_TMP=$(mktemp -d /tmp/beinstall.XXXXXX)
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[ $? -ne 0 -o ! -d ${BE_TMP} ] && errx "Unable to create mountpoint"
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[ -z "$NO_CLEANUP_BE" ] && cleanup_commands="rmdir_be ${cleanup_commands}"
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BE_MNTPT=${BE_TMP}/mnt
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BE_MM_ROOT=${BE_TMP}/mergemaster # mergemaster will create
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mkdir -p ${BE_MNTPT}
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beadm create ${BENAME} >/dev/null || errx "Unable to create BE ${BENAME}"
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[ -z "$NO_CLEANUP_BE" ] && cleanup_commands="cleanup_be ${cleanup_commands}"
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beadm mount ${BENAME} ${BE_TMP}/mnt || errx "Unable to mount BE ${BENAME}."
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echo "Mounted ${BENAME} to ${BE_MNTPT}, performing install/update ..."
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make "$@" DESTDIR=${BE_MNTPT} installkernel || errx "Installkernel failed!"
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if [ -n "${CONFIG_UPDATER}" ]; then
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"update_${CONFIG_UPDATER}_pre"
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[ $? -ne 0 ] && errx "${CONFIG_UPDATER} (pre-world) failed!"
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fi
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# Mount the source and object tree within the BE in order to account for any
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# changes applied by the pre-installworld updater. Cleanup any directories
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# created if they didn't exist previously.
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create_be_dirs "${srcdir}" "${objdir}" || errx "Unable to create BE dirs"
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mount -t nullfs "${srcdir}" "${BE_MNTPT}${srcdir}" || errx "Unable to mount src"
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mount -t nullfs "${objdir}" "${BE_MNTPT}${objdir}" || errx "Unable to mount obj"
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chroot ${BE_MNTPT} make "$@" -C ${srcdir} installworld || \
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errx "Installworld failed!"
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if [ -n "${CONFIG_UPDATER}" ]; then
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"update_${CONFIG_UPDATER}"
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[ $? -ne 0 ] && errx "${CONFIG_UPDATER} (post-world) failed!"
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fi
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BE_PKG="chroot ${BE_MNTPT} env ASSUME_ALWAYS_YES=true pkg"
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if [ -z "${NO_PKG_UPGRADE}" ]; then
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${BE_PKG} update || errx "Unable to update pkg"
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${BE_PKG} upgrade || errx "Unable to upgrade pkgs"
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fi
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if [ -n "$NO_CLEANUP_BE" ]; then
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echo "Boot Environment ${BENAME} may be examined in ${BE_MNTPT}."
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echo "Afterwards, run this to cleanup:"
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echo " env BENAME=${BENAME} BE_MNTPT=${BE_MNTPT} BEINSTALL_CMD=postmortem $0"
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exit 0
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fi
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unmount_be || errx "Unable to unmount BE"
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rmdir_be || errx "Unable to cleanup BE"
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beadm activate ${BENAME} || errx "Unable to activate BE"
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echo
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beadm list
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echo
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echo "Boot environment ${BENAME} setup complete; reboot to use it."
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