250 lines
7.3 KiB
Bash
Executable File
250 lines
7.3 KiB
Bash
Executable File
#! /bin/sh
|
|
# (c) Copyright 2012 Fabio Erculiani <lxnay@sabayon.org>
|
|
# Licensed under terms of GPLv2
|
|
|
|
env-update
|
|
. /etc/profile
|
|
|
|
export LC_ALL=C
|
|
|
|
# Expected env variables:
|
|
# PATHS_TO_REMOVE = ";" separated list of paths to rm -rf
|
|
# PATHS_TO_EMPTY = ";" separated list of paths to rm -rf (keeping the dir)
|
|
# RELEASE_STRING
|
|
# RELEASE_VERSION
|
|
# RELEASE_DESC
|
|
# RELEASE_FILE
|
|
# IMAGE_NAME
|
|
# DESTINATION_IMAGE_DIR
|
|
# PACKAGES_TO_ADD
|
|
# PACKAGES_TO_REMOVE
|
|
|
|
if [ ${#} -ne 5 ]; then
|
|
echo "usage: ${0} <path to regular file containing the image> <size in Mb> <source boot files dir> <source chroot>"
|
|
exit 1
|
|
fi
|
|
|
|
CHROOT_SCRIPT="${1}"
|
|
if [ ! -x "${CHROOT_SCRIPT}" ]; then
|
|
echo "${CHROOT_SCRIPT} is not executable"
|
|
exit 1
|
|
fi
|
|
FILE="${2}"
|
|
SIZE="${3}"
|
|
BOOT_DIR="${4}"
|
|
CHROOT_DIR="${5}"
|
|
# Should we make a tarball of the rootfs and bootfs?
|
|
MAKE_TARBALL="${MAKE_TARBALL:-1}"
|
|
|
|
cleanup_loopbacks() {
|
|
cd /
|
|
sync
|
|
sync
|
|
sleep 5
|
|
sync
|
|
[[ -n "${tmp_file}" ]] && rm "${tmp_file}" 2> /dev/null
|
|
[[ -n "${tmp_dir}" ]] && { umount "${tmp_dir}" &> /dev/null; rmdir "${tmp_dir}" &> /dev/null; }
|
|
sleep 1
|
|
[[ -n "${vfat_part}" ]] && losetup -d "${vfat_part}" 2> /dev/null
|
|
[[ -n "${ext_part}" ]] && losetup -d "${ext_part}" 2> /dev/null
|
|
[[ -n "${DRIVE}" ]] && losetup -d "${DRIVE}" 2> /dev/null
|
|
# make sure to have run this
|
|
[[ -n "${tmp_dir}" ]] && CHROOT_DIR="${tmp_dir}" /sabayon/scripts/mmc_remaster_post.sh
|
|
}
|
|
trap "cleanup_loopbacks" 1 2 3 6 9 14 15 EXIT
|
|
|
|
# Erase the file
|
|
echo "Generating the empty image file at ${FILE}"
|
|
dd if=/dev/zero of="${FILE}" bs=1024000 count="${SIZE}"
|
|
[[ "$?" != "0" ]] && exit 1
|
|
|
|
DRIVE=$(losetup -f "${FILE}" --show)
|
|
if [ -z "${DRIVE}" ]; then
|
|
echo "Cannot execute losetup for $FILE"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Configured the loopback partition at ${DRIVE}"
|
|
|
|
# Calculate size using fdisk
|
|
SIZE=$(fdisk -l "${DRIVE}" | grep Disk | grep bytes | awk '{print $5}')
|
|
CYLINDERS=$((SIZE/255/63/512))
|
|
# Magic first partition size, given 9 cylinders below
|
|
MAGICSIZE="73995264"
|
|
STARTOFFSET="32256"
|
|
|
|
echo "Disk size : ${SIZE} bytes"
|
|
echo "Disk cyls : ${CYLINDERS}"
|
|
echo "Magic size : ${MAGICSIZE} bytes (boot part size)"
|
|
echo "Start offset : ${STARTOFFSET} bytes"
|
|
|
|
# this will create a first partition that is 73995264 bytes long
|
|
# Starts at sect 63, ends at sect 144584, each sector is 512bytes
|
|
# In fact it creates 9 cyls
|
|
{
|
|
echo ,9,0x0C,*
|
|
echo ,,,-
|
|
} | sfdisk -D -H 255 -S 63 -C $CYLINDERS $DRIVE
|
|
|
|
sleep 2
|
|
|
|
# The second partiton will start at block 144585, get the end block
|
|
ENDBLOCK=$(fdisk -l "${DRIVE}" | grep "${DRIVE}p2" | awk '{print $3}')
|
|
EXTSIZE=$(((ENDBLOCK - 144585) * 512))
|
|
# Get other two loopback devices first
|
|
EXTOFFSET=$((STARTOFFSET + MAGICSIZE))
|
|
|
|
echo "ExtFS size : ${EXTSIZE} bytes"
|
|
echo "ExtFS offset : ${EXTOFFSET} bytes"
|
|
|
|
# Get other two loopback devices first
|
|
vfat_part=$(losetup -f --offset "${STARTOFFSET}" --sizelimit "${MAGICSIZE}" "${FILE}" --show)
|
|
if [ -z "${vfat_part}" ]; then
|
|
echo "Cannot setup the vfat partition loopback"
|
|
exit 1
|
|
fi
|
|
|
|
|
|
ext_part=$(losetup -f --offset "${EXTOFFSET}" --sizelimit "${EXTSIZE}" "${FILE}" --show)
|
|
if [ -z "${ext_part}" ]; then
|
|
echo "Cannot setup the ext3 partition loopback"
|
|
exit 1
|
|
fi
|
|
|
|
echo "VFAT Partiton at : ${vfat_part}"
|
|
echo "ExtFS Partition at : ${ext_part}"
|
|
|
|
# Format vfat
|
|
echo "Formatting VFAT ${vfat_part}..."
|
|
mkfs.vfat -n "boot" -F 32 "${vfat_part}" || exit 1
|
|
|
|
# Format extfs
|
|
echo "Formatting ExtFS ${ext_part}..."
|
|
mkfs.ext3 -L "Sabayon" "${ext_part}" || exit 1
|
|
|
|
tmp_dir=$(mktemp -d)
|
|
if [[ -z "${tmp_dir}" ]]; then
|
|
echo "Cannot create temporary dir"
|
|
exit 1
|
|
fi
|
|
chmod 755 "${tmp_dir}" || exit 1
|
|
|
|
sleep 2
|
|
sync
|
|
|
|
echo "Setting up the boot directory content, mounting on ${tmp_dir}"
|
|
mount "${vfat_part}" "${tmp_dir}"
|
|
cp -R "${BOOT_DIR}"/* "${tmp_dir}"/ || exit 1
|
|
umount "${tmp_dir}" || exit 1
|
|
|
|
echo "Setting up the extfs directory content, mounting on ${tmp_dir}"
|
|
mount "${ext_part}" "${tmp_dir}"
|
|
rsync -a -H -A -X --delete-during "${CHROOT_DIR}"/ "${tmp_dir}"/ --exclude "/proc/*" --exclude "/sys/*" \
|
|
--exclude "/dev/pts/*" --exclude "/dev/shm/*" || exit 1
|
|
|
|
CHROOT_DIR="${tmp_dir}" /sabayon/scripts/remaster_pre.sh || exit 1
|
|
|
|
# Configure 00-board-setup.start
|
|
source_board_setup="/sabayon/boot/arm_startup/00-board-setup.start"
|
|
dest_board_setup="${CHROOT_DIR}/etc/local.d/00-board-setup.start"
|
|
if [ -f "${source_board_setup}" ]; then
|
|
echo "Setting up ${dest_board_setup}"
|
|
cp "${source_board_setup}" "${dest_board_setup}" || exit 1
|
|
chmod 755 "${dest_board_setup}" || exit 1
|
|
chown root:root "${dest_board_setup}" || exit 1
|
|
fi
|
|
|
|
# execute PACKAGES_TO_ADD and PACKAGES_TO_REMOVE
|
|
export ETP_NONINTERACTIVE=1
|
|
|
|
# do I have to run "equo update?"
|
|
# If we are running outside the DAILY scope, it's
|
|
# better to do it here. If instead we're doing a
|
|
# DAILY, this is already done by other scripts.
|
|
if [ -z "$(basename ${IMAGE_NAME} | grep DAILY)" ]; then
|
|
FORCE_EAPI=2 chroot "${tmp_dir}" equo update || \
|
|
FORCE_EAPI=2 chroot "${tmp_dir}" equo update || \
|
|
exit 1
|
|
fi
|
|
|
|
# Entropy doesn't like non-UTF locale encodings
|
|
export LC_ALL=en_US.UTF-8
|
|
if [ -n "${PACKAGES_TO_ADD}" ]; then
|
|
add_cmd="equo install ${PACKAGES_TO_ADD}"
|
|
chroot "${tmp_dir}" ${add_cmd} || exit 1
|
|
fi
|
|
if [ -n "${PACKAGES_TO_REMOVE}" ]; then
|
|
rem_cmd="equo remove ${PACKAGES_TO_REMOVE}"
|
|
chroot "${tmp_dir}" ${rem_cmd} || exit 1
|
|
fi
|
|
|
|
# execute CHROOT_SCRIPT hook inside chroot
|
|
chroot_script_name=$(basename "${CHROOT_SCRIPT}")
|
|
target_chroot_script="${tmp_dir}"/"${chroot_script_name}"
|
|
cp -p "${CHROOT_SCRIPT}" "${target_chroot_script}" || exit 1
|
|
chmod 700 "${target_chroot_script}" || exit 1
|
|
chown root "${target_chroot_script}" || exit 1
|
|
chroot "${tmp_dir}" "/${chroot_script_name}" || exit 1
|
|
rm -f "${target_chroot_script}"
|
|
|
|
CHROOT_DIR="${tmp_dir}" /sabayon/scripts/mmc_remaster_post.sh
|
|
|
|
# execute final cleanup of entropy stuff
|
|
chroot "${tmp_dir}" equo rescue vacuum
|
|
|
|
# setup sudoers, enable wheel group
|
|
if [ -f "${tmp_dir}/etc/sudoers" ]; then
|
|
echo "# added by Sabayon Molecule" >> "${tmp_dir}/etc/sudoers"
|
|
echo "%wheel ALL=ALL" >> "${tmp_dir}/etc/sudoers"
|
|
fi
|
|
|
|
export LC_ALL=C
|
|
|
|
# work out paths to empty and paths to remove
|
|
if [ -n "${PATHS_TO_REMOVE}" ]; then
|
|
set -f
|
|
for path in $(echo ${PATHS_TO_REMOVE} | tr ";" "\n"); do
|
|
echo "Removing: ${path}"
|
|
set +f
|
|
rm -rf "${tmp_dir}"/${path}
|
|
set -f
|
|
done
|
|
set +f
|
|
fi
|
|
if [ -n "${PATHS_TO_EMPTY}" ]; then
|
|
set -f
|
|
for path in $(echo ${PATHS_TO_EMPTY} | tr ";" "\n"); do
|
|
set +f
|
|
echo "Emptying: ${path}"
|
|
rm -rf "${tmp_dir}"/"${path}"/*
|
|
set -f
|
|
done
|
|
set +f
|
|
fi
|
|
|
|
if [ -n "${RELEASE_FILE}" ]; then
|
|
release_file="${tmp_dir}"/"${RELEASE_FILE}"
|
|
release_dir=$(dirname "${release_file}")
|
|
[[ ! -d "${release_dir}" ]] && { mkdir -p "${release_dir}" || exit 1; }
|
|
echo "${RELEASE_STRING} ${RELEASE_VERSION} ${RELEASE_DESC}" > "${release_file}"
|
|
fi
|
|
|
|
if [ -n "${DESTINATION_IMAGE_DIR}" ] && [ "${MAKE_TARBALL}" = "1" ]; then
|
|
# Create the rootfs tarball
|
|
ROOTFS_TARBALL="${DESTINATION_IMAGE_DIR}/${IMAGE_NAME}.rootfs.tar.xz"
|
|
echo "Creating the roofs tarball: ${ROOTFS_TARBALL}"
|
|
tmp_file=$(mktemp --suffix=.tar.xz)
|
|
[[ -z "${tmp_file}" ]] && exit 1
|
|
cd "${tmp_dir}" || exit 1
|
|
tar --numeric-owner --preserve-permissions --same-owner -cJf "${tmp_file}" ./ || exit 1
|
|
mv "${tmp_file}" "${ROOTFS_TARBALL}" || exit 1
|
|
chmod 644 "${ROOTFS_TARBALL}" || exit 1
|
|
cd "$(dirname "${ROOTFS_TARBALL}")" || exit 1
|
|
md5sum "$(basename "${ROOTFS_TARBALL}")" > "$(basename "${ROOTFS_TARBALL}")".md5
|
|
fi
|
|
|
|
umount "${tmp_dir}" || exit 1
|
|
|
|
cleanup_loopbacks
|
|
echo "Your MMC image \"${FILE}\" is ready"
|