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2026-02-07 20:22:48 +08:00

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#!/bin/bash -e
#if [ "${NO_PRERUN_QCOW2}" = "0" ]; then
# IMG_FILE="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.img"
#
# unmount_image "${IMG_FILE}"
#
# rm -f "${IMG_FILE}"
#
# rm -rf "${ROOTFS_DIR}"
# mkdir -p "${ROOTFS_DIR}"
#
# BOOT_SIZE="$((256 * 1024 * 1024))"
# ROOT_SIZE=$(du --apparent-size -s "${EXPORT_ROOTFS_DIR}" --exclude var/cache/apt/archives --exclude boot --block-size=1 | cut -f 1)
#
# # All partition sizes and starts will be aligned to this size
# ALIGN="$((4 * 1024 * 1024))"
# # Add this much space to the calculated file size. This allows for
# # some overhead (since actual space usage is usually rounded up to the
# # filesystem block size) and gives some free space on the resulting
# # image.
# ROOT_MARGIN="$(echo "($ROOT_SIZE * 0.2 + 200 * 1024 * 1024) / 1" | bc)"
#
# BOOT_PART_START=$((ALIGN))
# BOOT_PART_SIZE=$(((BOOT_SIZE + ALIGN - 1) / ALIGN * ALIGN))
# ROOT_PART_START=$((BOOT_PART_START + BOOT_PART_SIZE))
# ROOT_PART_SIZE=$(((ROOT_SIZE + ROOT_MARGIN + ALIGN - 1) / ALIGN * ALIGN))
# IMG_SIZE=$((BOOT_PART_START + BOOT_PART_SIZE + ROOT_PART_SIZE))
#
# truncate -s "${IMG_SIZE}" "${IMG_FILE}"
#
# parted --script "${IMG_FILE}" mklabel msdos
# parted --script "${IMG_FILE}" unit B mkpart primary fat32 "${BOOT_PART_START}" "$((BOOT_PART_START + BOOT_PART_SIZE - 1))"
# parted --script "${IMG_FILE}" unit B mkpart primary ext4 "${ROOT_PART_START}" "$((ROOT_PART_START + ROOT_PART_SIZE - 1))"
#
# echo "Creating loop device..."
# cnt=0
# until LOOP_DEV="$(losetup --show --find --partscan "$IMG_FILE")"; do
# if [ $cnt -lt 5 ]; then
# cnt=$((cnt + 1))
# echo "Error in losetup. Retrying..."
# sleep 5
# else
# echo "ERROR: losetup failed; exiting"
# exit 1
# fi
# done
#
# BOOT_DEV="${LOOP_DEV}p1"
# ROOT_DEV="${LOOP_DEV}p2"
#
# ROOT_FEATURES="^huge_file"
# for FEATURE in 64bit; do
# if grep -q "$FEATURE" /etc/mke2fs.conf; then
# ROOT_FEATURES="^$FEATURE,$ROOT_FEATURES"
# fi
# done
# mkdosfs -n bootfs -F 32 -s 4 -v "$BOOT_DEV" > /dev/null
# mkfs.ext4 -L rootfs -O "$ROOT_FEATURES" "$ROOT_DEV" > /dev/null
#
# mount -v "$ROOT_DEV" "${ROOTFS_DIR}" -t ext4
# mkdir -p "${ROOTFS_DIR}/boot"
# mount -v "$BOOT_DEV" "${ROOTFS_DIR}/boot" -t vfat
#
# rsync -aHAXx --exclude /var/cache/apt/archives --exclude /boot "${EXPORT_ROOTFS_DIR}/" "${ROOTFS_DIR}/"
# rsync -rtx "${EXPORT_ROOTFS_DIR}/boot/" "${ROOTFS_DIR}/boot/"
#fi