qubes-linux-template-builder/prepare_image
Marek Marczykowski-Górecki 9b2078d346
Add support for template with partition table on root.img
When TEMPLATE_ROOT_WITH_PARTITIONS is set, include (GPT) partition table
and install actual OS on the first one. This allows installing grub, or
other bootloader.

Fixes QubesOS/qubes-issues#2577
2017-06-24 01:28:37 +02:00

102 lines
3.2 KiB
Bash
Executable File

#!/bin/bash
if [ "${VERBOSE}" -ge 2 -o "${DEBUG}" == "1" ]; then
set -x
fi
set -e
# ------------------------------------------------------------------------------
# Configurations
# ------------------------------------------------------------------------------
export IMG="${1}"
export LC_ALL=POSIX
RETCODE=0
: ${DIST=fc14}
. ./builder_setup >/dev/null
. ./umount_kill.sh >/dev/null
if ! [ $# -eq 1 ]; then
echo "usage ${0} <img_file_name>"
exit
fi
if [ "${VERBOSE}" == "1" ]; then
export YUM_OPTS="${YUM_OPTS} -q"
fi
# ------------------------------------------------------------------------------
# Make sure INSTALLDIR exists
# ------------------------------------------------------------------------------
export INSTALLDIR="$(readlink -m mnt)"
mkdir -p "${INSTALLDIR}"
# ------------------------------------------------------------------------------
# Prepare for mount
# ------------------------------------------------------------------------------
echo "-> Preparing instalation of ${DIST} template..."
"${SCRIPTSDIR}/00_prepare.sh"
# ------------------------------------------------------------------------------
# Mount image and install core OS
# ------------------------------------------------------------------------------
if [ -f "${IMG}" ]; then
echo "-> Image file already exists, assuming *update*..."
if [ "0$TEMPLATE_ROOT_WITH_PARTITIONS" -eq 1 ]; then
IMG_LOOP=$(losetup -P -f --show "$IMG")
IMG_DEV=${IMG_LOOP}p1
else
IMG_LOOP=$(losetup -f --show "$IMG")
IMG_DEV=${IMG_LOOP}
fi
else
echo "-> Initializing empty image..."
truncate -s 10G "${IMG}" || exit 1
if [ "0$TEMPLATE_ROOT_WITH_PARTITIONS" -eq 1 ]; then
echo "-> Creating partition table"
# have static UUIDs to make partition table reproducible
sfdisk "$IMG" <<EOF || exit 1
label: gpt
label-id: f4796a2a-e377-45bd-b539-d6d49e569055
size=10000MiB, type=0FC63DAF-8483-4772-8E79-3D69D8477DE4, uuid=693244e6-3e07-47bf-ad79-acade4293fe7, name="Root filesystem"
size=200MiB, type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, uuid=fa4d6529-56da-47c7-ae88-e2dfecb72621, name="EFI System"
size=2MiB, type=21686148-6449-6E6F-744E-656564454649, uuid=1e6c9db4-1e91-46c4-846a-2030dcb13b8c, name="BIOS boot partition"
EOF
IMG_LOOP=$(losetup -P -f --show "$IMG")
IMG_DEV=${IMG_LOOP}p1
else
IMG_LOOP=$(losetup -f --show "$IMG")
IMG_DEV=${IMG_LOOP}
fi
echo "-> Creating filesystem..."
mkfs.ext4 -q -F "${IMG_DEV}" || exit 1
fi
mount "${IMG_DEV}" "${INSTALLDIR}" || exit 1
trap "umount_kill $(readlink -m ${INSTALLDIR})" EXIT
"${SCRIPTSDIR}/01_install_core.sh"
# ------------------------------------------------------------------------------
# Install package groups
# ------------------------------------------------------------------------------
echo "-> Installing package groups..."
"${SCRIPTSDIR}/02_install_groups.sh"
# ------------------------------------------------------------------------------
# Cleanup
# ------------------------------------------------------------------------------
trap - EXIT
echo "-> Unmounting prepared_image..."
umount_kill "$(readlink -m ${INSTALLDIR})" || true
losetup -d ${IMG_LOOP}
exit ${RETCODE}