ab8921d052
- Switch to Sytemd - Add development tools: adroid tool, usbgadget support - Rework on recovery Image
145 lines
3.2 KiB
Bash
Executable File
145 lines
3.2 KiB
Bash
Executable File
#! /bin/sh
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. /etc/profile
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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if [ -z "$DISK" ]; then
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DISK="mmcblk0"
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fi
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ROOTFS_DEV="/dev/${DISK}p2"
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SUPPORTED_COMMAND="rootfs kernel initramfs"
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TMP_MOUNT="/tmp/rootfs"
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rootfs()
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{
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path=$1
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if [ -z "$path" ]; then
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echo "Please specify rootfs path"
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return 1
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fi
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backup_file="/tmp/rootfs-backup.img"
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echo "Checking rootfs at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: rootfs image not found $path"
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return 1
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fi
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# backup the rootfs file
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echo "Backing up the current rootfs to $backup_file"
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if ! dd if=$ROOTFS_DEV of=$backup_file; then
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echo "Error: unable to backup current rootfs"
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return 1
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fi
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echo "Format rootfs partition"
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if ! mkfs.ext4 -F $ROOTFS_DEV; then
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echo "Error: Unable to format rootfs partition. Restore and quit"
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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mkdir -p $TMP_MOUNT
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echo "Mount rootfs partition to $TMP_MOUNT"
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if ! mount $ROOTFS_DEV $TMP_MOUNT; then
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echo "Error: Unable to mount rootfs partition. Restore and quit"
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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echo "Installing new rootfs"
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if ! tar -xpvf "$path" -C $TMP_MOUNT; then
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echo "Error: unable to install new rootfs. Restore and quit"
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umount $TMP_MOUNT
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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echo "Patch /etc/fstab"
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cat << EOF >> $TMP_MOUNT/etc/fstab
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/dev/${DISK}p1 /boot vfat defaults 0 0
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/dev/${DISK}p3 /var/etc ext4 defaults 0 0
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/dev/${DISK}p4 /home ext4 defaults 0 0
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EOF
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sync
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echo "Unmount the rootfs partition"
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umount $TMP_MOUNT
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echo "Done"
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return 0
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}
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kernel()
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{
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path=$1
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if [ -z "$path" ]; then
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echo "Please specify kernel path"
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fi
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echo "Checking kernel at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: kernel file not found"
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return 1
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fi
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echo "Update kernel"
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mv /boot/Image.gz /boot/Image.gz.old
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cp -v "$path" /boot/Image.gz
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cd /boot
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sync
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echo "Done"
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return 0
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}
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initramfs()
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{
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path=$1
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if [ -z "$path" ]; then
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echo "Please specify path to initramfs"
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fi
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echo "Checking initramfs at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: initramfs file not found"
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return 1
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fi
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echo "Update recovery intramfs"
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mv /boot/recovery-${MACHINE}.cpio.lz4.u-boot /boot/recovery-${MACHINE}.cpio.lz4.u-boot.old
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cp -v "$path" /boot/recovery-${MACHINE}.cpio.lz4.u-boot
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cd /boot
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sync
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echo "Done"
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return 0
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}
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command_valid() {
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VALUE=$1
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echo $SUPPORTED_COMMAND | tr " " '\n' | grep -F -q -x "$VALUE"
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}
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name=$(basename $0)
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cmd=${name#diya-update-}
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file="$1"
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if ! command_valid "$cmd"; then
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cmd="$1"
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file="$2"
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fi
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case "$cmd" in
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rootfs)
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rootfs $file
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;;
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kernel)
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kernel $file
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;;
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initramfs)
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initramfs $file
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;;
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*)
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cat << EOF
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Usage: $name <command> [file]
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commands:
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- rootfs: update rootfs
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- kernel: update kernel image
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- initramfs: update recovery initramfs
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EOF
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exit 1
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;;
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esac
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