4194bbb34c
For someone new to the release bits it's not always clear what files are being created. Report the disk image name explicitly. Reviewed by: gjb Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D39953
335 lines
7.8 KiB
Bash
335 lines
7.8 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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#
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# Common functions for virtual machine image build scripts.
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#
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scriptdir=$(dirname $(realpath $0))
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. ${scriptdir}/../../tools/boot/install-boot.sh
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export PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
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trap "cleanup" INT QUIT TRAP ABRT TERM
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# Platform-specific large-scale setup
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# Most platforms use GPT, so put that as default, then special cases
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PARTSCHEME=gpt
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ROOTLABEL="gpt"
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case "${TARGET}:${TARGET_ARCH}" in
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powerpc:powerpc*)
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PARTSCHEME=mbr
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ROOTLABEL="ufs"
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NOSWAP=yes # Can't label swap partition with MBR, so no swap
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;;
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esac
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err() {
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printf "${@}\n"
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cleanup
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return 1
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}
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cleanup() {
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if [ -c "${DESTDIR}/dev/null" ]; then
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umount_loop ${DESTDIR}/dev 2>/dev/null
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fi
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return 0
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}
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vm_create_base() {
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mkdir -p ${DESTDIR}
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return 0
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}
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vm_copy_base() {
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# Defunct
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}
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vm_install_base() {
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# Installs the FreeBSD userland/kernel to the virtual machine disk.
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cd ${WORLDDIR} && \
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make DESTDIR=${DESTDIR} \
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installworld installkernel distribution || \
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err "\n\nCannot install the base system to ${DESTDIR}."
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# Bootstrap etcupdate(8) and mergemaster(8) databases.
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mkdir -p ${DESTDIR}/var/db/etcupdate
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etcupdate extract -B \
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-M "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
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-s ${WORLDDIR} -d ${DESTDIR}/var/db/etcupdate
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sh ${WORLDDIR}/release/scripts/mm-mtree.sh -m ${WORLDDIR} \
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-F "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
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-D ${DESTDIR}
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echo '# Custom /etc/fstab for FreeBSD VM images' \
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> ${DESTDIR}/etc/fstab
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if [ "${VMFS}" != zfs ]; then
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echo "/dev/${ROOTLABEL}/rootfs / ${VMFS} rw 1 1" \
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>> ${DESTDIR}/etc/fstab
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fi
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if [ -z "${NOSWAP}" ]; then
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echo '/dev/gpt/swapfs none swap sw 0 0' \
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>> ${DESTDIR}/etc/fstab
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fi
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local hostname
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hostname="$(echo $(uname -o) | tr '[:upper:]' '[:lower:]')"
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echo "hostname=\"${hostname}\"" >> ${DESTDIR}/etc/rc.conf
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if [ "${VMFS}" = zfs ]; then
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echo "zfs_enable=\"YES\"" >> ${DESTDIR}/etc/rc.conf
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echo "zpool_reguid=\"zroot\"" >> ${DESTDIR}/etc/rc.conf
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echo "zpool_upgrade=\"zroot\"" >> ${DESTDIR}/etc/rc.conf
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fi
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if ! [ -z "${QEMUSTATIC}" ]; then
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export EMULATOR=/qemu
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cp ${QEMUSTATIC} ${DESTDIR}/${EMULATOR}
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fi
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mkdir -p ${DESTDIR}/dev
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mount -t devfs devfs ${DESTDIR}/dev
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chroot ${DESTDIR} ${EMULATOR} /usr/bin/newaliases
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chroot ${DESTDIR} ${EMULATOR} /bin/sh /etc/rc.d/ldconfig forcestart
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umount_loop ${DESTDIR}/dev
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cp /etc/resolv.conf ${DESTDIR}/etc/resolv.conf
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if [ "${VMFS}" = zfs ]; then
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echo "kern.geom.label.disk_ident.enable=0" >> ${DESTDIR}/boot/loader.conf
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echo "zfs_load=YES" >> ${DESTDIR}/boot/loader.conf
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fi
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return 0
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}
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vm_extra_install_base() {
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# Prototype. When overridden, runs extra post-installworld commands
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# as needed, based on the target virtual machine image or cloud
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# provider image target.
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return 0
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}
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vm_extra_enable_services() {
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if [ ! -z "${VM_RC_LIST}" ]; then
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for _rcvar in ${VM_RC_LIST}; do
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echo ${_rcvar}_enable="YES" >> ${DESTDIR}/etc/rc.conf
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done
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fi
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if [ -z "${VMCONFIG}" -o -c "${VMCONFIG}" ]; then
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echo 'ifconfig_DEFAULT="DHCP inet6 accept_rtadv"' >> \
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${DESTDIR}/etc/rc.conf
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# Expand the filesystem to fill the disk.
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echo 'growfs_enable="YES"' >> ${DESTDIR}/etc/rc.conf
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touch ${DESTDIR}/firstboot
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fi
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return 0
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}
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vm_extra_install_packages() {
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if [ -z "${VM_EXTRA_PACKAGES}" ]; then
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return 0
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fi
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mkdir -p ${DESTDIR}/dev
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mount -t devfs devfs ${DESTDIR}/dev
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chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
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/usr/sbin/pkg bootstrap -y
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for p in ${VM_EXTRA_PACKAGES}; do
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chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
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/usr/sbin/pkg install -y ${p}
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done
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umount_loop ${DESTDIR}/dev
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return 0
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}
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vm_extra_install_ports() {
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# Prototype. When overridden, installs additional ports within the
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# virtual machine environment.
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return 0
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}
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vm_extra_pre_umount() {
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# Prototype. When overridden, performs additional tasks within the
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# virtual machine environment prior to unmounting the filesystem.
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# Note: When overriding this function, removing resolv.conf in the
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# disk image must be included.
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if ! [ -z "${QEMUSTATIC}" ]; then
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rm -f ${DESTDIR}/${EMULATOR}
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fi
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rm -f ${DESTDIR}/etc/resolv.conf
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return 0
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}
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vm_extra_pkg_rmcache() {
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if [ -e ${DESTDIR}/usr/local/sbin/pkg ]; then
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chroot ${DESTDIR} ${EMULATOR} env ASSUME_ALWAYS_YES=yes \
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/usr/local/sbin/pkg clean -y -a
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fi
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return 0
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}
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buildfs() {
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local md tmppool
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case "${VMFS}" in
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ufs)
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makefs ${MAKEFSARGS} -o label=rootfs -o version=2 -o softupdates=1 \
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${VMBASE} ${DESTDIR}
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;;
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zfs)
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makefs -t zfs ${MAKEFSARGS} \
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-o poolname=zroot -o bootfs=zroot/ROOT/default -o rootpath=/ \
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-o fs=zroot\;mountpoint=none \
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-o fs=zroot/ROOT\;mountpoint=none \
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-o fs=zroot/ROOT/default\;mountpoint=/ \
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-o fs=zroot/tmp\;mountpoint=/tmp\;exec=on\;setuid=off \
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-o fs=zroot/usr\;mountpoint=/usr\;canmount=off \
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-o fs=zroot/usr/home \
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-o fs=zroot/usr/ports\;setuid=off \
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-o fs=zroot/usr/src \
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-o fs=zroot/usr/obj \
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-o fs=zroot/var\;mountpoint=/var\;canmount=off \
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-o fs=zroot/var/audit\;setuid=off\;exec=off \
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-o fs=zroot/var/log\;setuid=off\;exec=off \
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-o fs=zroot/var/mail\;atime=on \
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-o fs=zroot/var/tmp\;setuid=off \
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${VMBASE} ${DESTDIR}
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;;
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*)
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echo "Unexpected VMFS value '${VMFS}'"
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exit 1
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;;
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esac
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}
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umount_loop() {
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DIR=$1
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i=0
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sync
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while ! umount ${DIR}; do
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i=$(( $i + 1 ))
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if [ $i -ge 10 ]; then
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# This should never happen. But, it has happened.
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echo "Cannot umount(8) ${DIR}"
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echo "Something has gone horribly wrong."
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return 1
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fi
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sleep 1
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done
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return 0
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}
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vm_create_disk() {
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local BOOTFILES BOOTPARTSOFFSET FSPARTTYPE X86GPTBOOTFILE
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if [ -z "${NOSWAP}" ]; then
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SWAPOPT="-p freebsd-swap/swapfs::${SWAPSIZE}"
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fi
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if [ -n "${VM_BOOTPARTSOFFSET}" ]; then
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BOOTPARTSOFFSET=":${VM_BOOTPARTSOFFSET}"
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fi
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case "${VMFS}" in
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ufs)
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FSPARTTYPE=freebsd-ufs
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X86GPTBOOTFILE=i386/gptboot/gptboot
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;;
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zfs)
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FSPARTTYPE=freebsd-zfs
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X86GPTBOOTFILE=i386/gptzfsboot/gptzfsboot
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;;
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*)
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echo "Unexpected VMFS value '${VMFS}'"
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return 1
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;;
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esac
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echo "Creating image... Please wait."
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echo
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BOOTFILES="$(env TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
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WITH_UNIFIED_OBJDIR=yes \
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make -C ${WORLDDIR}/stand -V .OBJDIR)"
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BOOTFILES="$(realpath ${BOOTFILES})"
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MAKEFSARGS="-s ${VMSIZE}"
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case "${TARGET}:${TARGET_ARCH}" in
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amd64:amd64 | i386:i386)
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ESP=yes
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BOOTPARTS="-b ${BOOTFILES}/i386/pmbr/pmbr \
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-p freebsd-boot/bootfs:=${BOOTFILES}/${X86GPTBOOTFILE}${BOOTPARTSOFFSET}"
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ROOTFSPART="-p ${FSPARTTYPE}/rootfs:=${VMBASE}"
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MAKEFSARGS="$MAKEFSARGS -B little"
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;;
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arm64:aarch64 | riscv:riscv64*)
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ESP=yes
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BOOTPARTS=
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ROOTFSPART="-p ${FSPARTTYPE}/rootfs:=${VMBASE}"
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MAKEFSARGS="$MAKEFSARGS -B little"
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;;
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powerpc:powerpc*)
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ESP=no
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BOOTPARTS="-p prepboot:=${BOOTFILES}/powerpc/boot1.chrp/boot1.elf -a 1"
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ROOTFSPART="-p freebsd:=${VMBASE}"
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if [ ${TARGET_ARCH} = powerpc64le ]; then
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MAKEFSARGS="$MAKEFSARGS -B little"
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else
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MAKEFSARGS="$MAKEFSARGS -B big"
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fi
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;;
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*)
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echo "vmimage.subr: unsupported target '${TARGET}:${TARGET_ARCH}'" >&2
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exit 1
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;;
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esac
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if [ ${ESP} = "yes" ]; then
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# Create an ESP
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espfilename=$(mktemp /tmp/efiboot.XXXXXX)
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make_esp_file ${espfilename} ${fat32min} ${BOOTFILES}/efi/loader_lua/loader_lua.efi
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BOOTPARTS="${BOOTPARTS} -p efi/efiesp:=${espfilename}"
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# Add this to fstab
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mkdir -p ${DESTDIR}/boot/efi
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echo "/dev/${ROOTLABEL}/efiesp /boot/efi msdosfs rw 2 2" \
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>> ${DESTDIR}/etc/fstab
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fi
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echo "Building filesystem... Please wait."
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buildfs
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echo "Building final disk image... Please wait."
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mkimg -s ${PARTSCHEME} -f ${VMFORMAT} \
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${BOOTPARTS} \
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${SWAPOPT} \
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${ROOTFSPART} \
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-o ${VMIMAGE}
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echo "Disk image ${VMIMAGE} created."
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if [ ${ESP} = "yes" ]; then
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rm ${espfilename}
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fi
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return 0
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}
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vm_extra_create_disk() {
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return 0
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}
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