230 lines
7.6 KiB
Bash
Executable file
230 lines
7.6 KiB
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Copyright (C) 2009-2016 Stephan Raue (stephan@openelec.tv)
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# Copyright (C) 2016-present Team LibreELEC (https://libreelec.tv)
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# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)
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# Copyright (C) 2022-present UnofficialOS
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################################################################################
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# variables such as ${ROOT} ${PATH} etc... that are required for this
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# script to work must be passed via env ... in scripts/image
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################################################################################
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# set variables
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LE_TMP=$(mktemp -d -p ${TARGET_IMG})
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SAVE_ERROR="${LE_TMP}/save_error"
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. projects/${PROJECT}/devices/${DEVICE}/options
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if [ -z "${SYSTEM_SIZE}" -o -z "${SYSTEM_PART_START}" ]; then
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echo "mkimage: SYSTEM_SIZE and SYSTEM_PART_START must be configured!"
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exit 1
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fi
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if [ "${PARTITION_TABLE}" = "gpt" ]; then
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DISK_GPT_PADDING=1
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else
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DISK_GPT_PADDING=0
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fi
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DISK_START_PADDING=$(( (${SYSTEM_PART_START} + 2048 - 1) / 2048 ))
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DISK_SIZE=$(( ${DISK_START_PADDING} + ${SYSTEM_SIZE} + ${STORAGE_SIZE} + ${DISK_GPT_PADDING} ))
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DISK_BASENAME="${TARGET_IMG}/${IMAGE_NAME}"
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if [ -n "${SUBDEVICE}" ]; then
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DISK_BASENAME="${DISK_BASENAME}-${SUBDEVICE}"
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fi
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DISK="${DISK_BASENAME}.img"
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# functions
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cleanup() {
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echo -e "image: cleanup...\n"
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rm -rf "${LE_TMP}"
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}
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show_error() {
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echo "image: An error has occurred..."
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echo
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if [ -s "${SAVE_ERROR}" ]; then
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cat "${SAVE_ERROR}"
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else
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echo "Folder ${LE_TMP} might be out of free space..."
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fi
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echo
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cleanup
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exit 1
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}
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trap cleanup SIGINT
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# create an image
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echo -e "\nimage: creating sparse file for disk image ${DISK##*/}..."
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dd if=/dev/zero of="${DISK}" bs=1M count=0 seek="${DISK_SIZE}" conv=fsync >"${SAVE_ERROR}" 2>&1 || show_error
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# write a disklabel
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echo "image: creating ${PARTITION_TABLE} partition table..."
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parted -s "${DISK}" mklabel ${PARTITION_TABLE}
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sync
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# create partitions
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echo "image: creating partitions..."
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SYSTEM_PART_END=$(( ${SYSTEM_PART_START} + (${SYSTEM_SIZE} * 1024 * 1024 / 512) - 1 ))
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STORAGE_PART_START=$(( ${SYSTEM_PART_END} + 1 ))
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STORAGE_PART_END=$(( ${STORAGE_PART_START} + (${STORAGE_SIZE} * 1024 * 1024 / 512) - 1 ))
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if [ "${PARTITION_TABLE}" = "gpt" ]; then
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echo "image: Create GPT boot partition."
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parted -s "${DISK}" -a min unit s mkpart system fat32 ${SYSTEM_PART_START} ${SYSTEM_PART_END}
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parted -s "${DISK}" -a min unit s mkpart storage ext4 ${STORAGE_PART_START} ${STORAGE_PART_END}
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parted -s "${DISK}" set 1 legacy_boot on
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else
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echo "image: Create MBR boot partition."
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parted -s "${DISK}" -a min unit s mkpart primary fat32 ${SYSTEM_PART_START} ${SYSTEM_PART_END}
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parted -s "${DISK}" -a min unit s mkpart primary ext4 ${STORAGE_PART_START} ${STORAGE_PART_END}
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parted -s "${DISK}" set 1 boot on
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fi
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echo "image: creating sparse file for part2..."
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STORAGE_PART_COUNT=$(( ${STORAGE_PART_END} - ${STORAGE_PART_START} + 1 ))
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sync
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dd if="${DISK}" of="${LE_TMP}/part2.ext4" bs=512 count=0 seek="${STORAGE_PART_COUNT}" conv=fsync >"${SAVE_ERROR}" 2>&1 || show_error
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# create filesystem on part2
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echo "image: creating filesystem on part2..."
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mke2fs -F -q -t ext4 -m 0 -O ^orphan_file "${LE_TMP}/part2.ext4"
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tune2fs -L "${DISTRO_DISKLABEL}" -U ${UUID_STORAGE} "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
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e2fsck -n "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
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sync
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# add resize mark
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mkdir "${LE_TMP}/part2.fs"
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touch "${LE_TMP}/part2.fs/.please_resize_me"
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echo "image: populating filesystem on part2..."
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populatefs -U -d "${LE_TMP}/part2.fs" "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
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sync
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e2fsck -n "${LE_TMP}/part2.ext4" >"${SAVE_ERROR}" 2>&1 || show_error
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# merge part2 into disk image
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echo "image: merging part2 into disk image..."
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dd if="${LE_TMP}/part2.ext4" of="${DISK}" bs=512 seek="${STORAGE_PART_START}" conv=fsync,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
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# create part1 to format and copy files
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echo "image: creating sparse file for part1..."
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SYSTEM_PART_COUNT=$(( ${SYSTEM_PART_END} - ${SYSTEM_PART_START} + 1 ))
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sync
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dd if=/dev/zero of="${LE_TMP}/part1.fat" bs=512 count=0 seek="${SYSTEM_PART_COUNT}" conv=fsync >"${SAVE_ERROR}" 2>&1 || show_error
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shopt -s expand_aliases # enables alias expansion in script
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alias mcopy='mcopy -i "${LE_TMP}/part1.fat" -o'
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alias mmd='mmd -i "${LE_TMP}/part1.fat"'
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# create filesystem on part1
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echo "image: creating filesystem on part1..."
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if [ "${BOOTLOADER}" = "syslinux" -o "${BOOTLOADER}" = "u-boot" ]; then
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mformat -i "${LE_TMP}/part1.fat" -v "${DISTRO_BOOTLABEL}" -N "${UUID_SYSTEM//-/}" :: >"${SAVE_ERROR}" 2>&1 || show_error
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fi
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sync
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if [ "${BOOTLOADER}" = "syslinux" ]; then
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# create bootloader configuration
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echo "image: creating bootloader configuration..."
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cat << EOF > "${LE_TMP}/syslinux.cfg"
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DEFAULT run
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TIMEOUT 0
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PROMPT 0
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NOESCAPE 1
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LABEL run
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KERNEL /${KERNEL_NAME}
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APPEND boot=UUID=${UUID_SYSTEM} disk=UUID=${UUID_STORAGE} portable ${EXTRA_CMDLINE}
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EOF
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cat << EOF > "${LE_TMP}/grub.cfg"
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set timeout="0"
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set default="Run"
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menuentry "Run" {
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search --set -f /KERNEL
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linux /KERNEL boot=UUID=${UUID_SYSTEM} disk=UUID=${UUID_STORAGE} grub_portable ${EXTRA_CMDLINE}
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}
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EOF
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mcopy "${LE_TMP}/syslinux.cfg" ::
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# install syslinux
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echo "image: installing syslinux to part1..."
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syslinux.mtools -i "${LE_TMP}/part1.fat" >"${SAVE_ERROR}" 2>&1 || show_error
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# copy files
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echo "image: copying files to part1..."
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mcopy "${TARGET_IMG}/${BUILD_NAME}.kernel" "::/${KERNEL_NAME}"
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mcopy "${TARGET_IMG}/${BUILD_NAME}.system" ::/SYSTEM
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mcopy "${RELEASE_DIR}/target/KERNEL.md5" "::/${KERNEL_NAME}.md5"
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mcopy "${RELEASE_DIR}/target/SYSTEM.md5" ::/SYSTEM.md5
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mmd EFI EFI/BOOT
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mcopy "${TOOLCHAIN}/share/syslinux/bootx64.efi" ::/EFI/BOOT
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mcopy "${TOOLCHAIN}/share/syslinux/ldlinux.e64" ::/EFI/BOOT
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mcopy "${TOOLCHAIN}/share/grub/bootia32.efi" ::/EFI/BOOT
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mcopy "${LE_TMP}/grub.cfg" ::/EFI/BOOT
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elif [ "${BOOTLOADER}" = "u-boot" -a \( -n "${UBOOT_CONFIG}" -o -n "${SUBDEVICE}" \) ]; then
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# create bootloader configuration
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echo "image: creating bootloader configuration... (u-boot)"
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for DTB in ${DEVICE_DTB[@]}
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do
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if [ -f "${RELEASE_DIR}/3rdparty/bootloader/${DTB}.dtb" ]; then
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mcopy "${RELEASE_DIR}/3rdparty/bootloader/${DTB}.dtb" ::
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fi
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done
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if [ -f "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/bootloader/mkimage" ]; then
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. "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/bootloader/mkimage"
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elif [ -f "${PROJECT_DIR}/${PROJECT}/bootloader/mkimage" ]; then
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. "${PROJECT_DIR}/${PROJECT}/bootloader/mkimage"
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else
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echo "image: skipping u-boot. no mkimage script found"
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fi
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echo "image: copying files to part1..."
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mcopy "${TARGET_IMG}/${BUILD_NAME}.kernel" "::/${KERNEL_NAME}"
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mcopy "${TARGET_IMG}/${BUILD_NAME}.system" ::/SYSTEM
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mcopy "${RELEASE_DIR}/target/KERNEL.md5" "::/${KERNEL_NAME}.md5"
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mcopy "${RELEASE_DIR}/target/SYSTEM.md5" ::/SYSTEM.md5
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elif [ "${BOOTLOADER}" = "u-boot" ]; then
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echo "to make an image using u-boot UBOOT_SYSTEM must be set"
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cleanup
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exit
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fi # bootloader
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# run fsck
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echo "image: checking filesystem on part1..."
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sync
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fsck.fat -n "${LE_TMP}/part1.fat" >"${SAVE_ERROR}" 2>&1 || show_error
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# merge part1 into disk image
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echo "image: merging part1 into disk image..."
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dd if="${LE_TMP}/part1.fat" of="${DISK}" bs=512 seek="${SYSTEM_PART_START}" conv=fsync,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
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# gzip
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echo "image: compressing..."
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pigz --best --force "${DISK}"
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# create sha256 checksum of image
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(
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cd "${TARGET_IMG}"
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sha256sum "${DISK##*/}.gz" > "${DISK##*/}.gz.sha256"
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)
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if [ -n "${LOCAL_SSH_KEYS_FILE}" ] || \
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[ -n "${LOCAL_WIFI_SSID}" ] || \
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[ -n "${LOCAL_WIFI_KEY}" ]
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then
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echo "image: CONTAINS SENSITIVE DATA, DO NOT DISTRIBUTE."
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fi
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# cleanup
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cleanup
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exit
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