frodovdr/raspberrymatic-addon-rmupdate
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tinker

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This commit is contained in:
Jan Schneider 2018-01-25 16:59:45 +01:00
parent 8dd53982ea
commit 27d16d809a
1 changed files with 18 additions and 10 deletions
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28
adjust_image.sh
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@ -1,7 +1,6 @@
#!/bin/bash -e
LOOP_DEV=7
PART_START=512
BOOT_SIZE=$((250*1024*1024))
ROOT_SIZE=$((1000*1024*1024))
USR_LOCAL_SIZE=$((2*1024*1024))
@ -14,13 +13,17 @@ fi
image_file="$(realpath $1)"
new_image_file="${image_file/\.img/\.rmupdate\.img}"
[ $tinker == 1 ] && PART_START=$((906*512))
if [[ ! $image_file =~ .*\.img ]]; then
echo "Not an image file: ${image_file}." 1>&2
exit 1
fi
tinker=0
[[ $(basename $image_file) =~ .*tinkerboard.* ]] && tinker=1
part_start=512
[ $tinker == 1 ] && part_start=$((906*512))
echo "image: ${image_file}"
echo "adjusted image: ${new_image_file}"
@ -28,11 +31,11 @@ echo "*** Creating new image file and partitions ***"
dd if=/dev/zero of=$new_image_file bs=1M count=$((((${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE}+${USR_LOCAL_SIZE})/1024/1024)+1))
parted --script $new_image_file \
mklabel msdos \
mkpart primary fat32 ${PART_START}B ${BOOT_SIZE}B \
mkpart primary fat32 ${part_start}B ${BOOT_SIZE}B \
set 1 boot on \
mkpart primary ext4 $((${PART_START}+${BOOT_SIZE}))B $((${BOOT_SIZE}+${ROOT_SIZE}))B \
mkpart primary ext4 $((${PART_START}+${BOOT_SIZE}+${ROOT_SIZE}))B $((${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE}))B \
mkpart primary ext4 $((${PART_START}+${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE}))B 100%
mkpart primary ext4 $((${part_start}+${BOOT_SIZE}))B $((${BOOT_SIZE}+${ROOT_SIZE}))B \
mkpart primary ext4 $((${part_start}+${BOOT_SIZE}+${ROOT_SIZE}))B $((${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE}))B \
mkpart primary ext4 $((${part_start}+${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE}))B 100%
echo "*** Copying original partitons ***"
oIFS="$IFS"
@ -46,8 +49,8 @@ for line in $(parted $image_file unit B print | grep primary); do
echo $num - $start - $size
seek=0
[ "$num" = "1" ] && seek=$start
[ "$num" = "2" ] && seek=$(((${PART_START}+${BOOT_SIZE})/512))
[ "$num" = "3" ] && seek=$(((${PART_START}+${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE})/512))
[ "$num" = "2" ] && seek=$(((${part_start}+${BOOT_SIZE})/512))
[ "$num" = "3" ] && seek=$(((${part_start}+${BOOT_SIZE}+${ROOT_SIZE}+${ROOT_SIZE})/512))
dd if=$image_file of=$new_image_file bs=512 skip=$start count=$size seek=$seek conv=notrunc
done
@ -89,7 +92,12 @@ mkfs.vfat -F32 -n bootfs /dev/mapper/loop${LOOP_DEV}p1
sleep 3
mount /dev/mapper/loop${LOOP_DEV}p1 /tmp/rmupdate.mnt
(cd /tmp/rmupdate.mnt; tar xf /tmp/rmupdate.boot.tar .)
sed -i -r s"/root=\S+/root=PARTUUID=${partuuid}/" /tmp/rmupdate.mnt/cmdline.txt
bootconf=cmdline.txt
[ $tinker == 1 ] && bootconf=extlinux/extlinux.conf
if [ $tinker == 1 ]; then
sed -i -r s"/root=\S+/root=PARTUUID=${partuuid}/" /tmp/rmupdate.mnt/${bootconf}
fi
umount /tmp/rmupdate.mnt
rm /tmp/rmupdate.boot.tar