funkey/FunKey-OS
1
0
Fork 0
mirror of https://github.com/FunKey-Project/FunKey-OS.git synced 2026-03-22 20:02:41 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

revert to MBR

Browse Source 
Signed-off-by: Michel-FK <michel.stempin@funkey-project.com>
This commit is contained in:
Michel-FK
2020-11-26 23:23:26 +01:00
parent 7688c3fcf7
commit 7a7eef2fae
15 changed files with 68 additions and 88 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
FunKey/board/funkey/rootfs-overlay/usr/local/sbin/first_boot
View File

@@ -3,6 +3,9 @@
# Uncomment the following line to get debug info
#set -x
# This is to avoid expanding '*' in fdisk results
set -f
source /usr/local/lib/utils
SELF=$(basename $0)
@@ -22,11 +25,6 @@ swap_part=/dev/mmcblk0p${swap_part_num}
let share_part_num=${swap_part_num}+1
share_part=/dev/mmcblk0p${share_part_num}
check_first_boot () {
[ -f /.first_boot ] && die 0 "nothing to do"
return 0
}
check_root_id () {
[ $(id -u) -ne 0 ] && die 3 "this script must be run as root, aborting"
return 0
@@ -35,25 +33,30 @@ check_root_id () {
resize_rootfs_partition () {
# Check that the last partition is the rootfs partition
local last_part_line=$(sgdisk -p /dev/mmcblk0 | tail -n 1)
local last_part_line=$(fdisk -l /dev/mmcblk0 2>/dev/null | tail -n 1)
set ${last_part_line}
local last_part=${1}
if [ "${last_part}" != "${root_part_num}" ]; then
local last_part_num=${1#/dev/mmcblk0p}
local part_start=${3}
if [ "${last_part_num}" != "${root_part_num}" ]; then
die 4 "rootfs is not the last partition. Don't know how to expand, aborting"
fi
# Remove (temporarily) the rootfs partition
sgdisk -d ${root_part_num} /dev/mmcblk0 >/dev/null 2>&1 || die 5 "cannot remove the rootfs partition, aborting"
# Re-create the rootfs partition with a 1GB size
sgdisk -n ${root_part_num}:0:+1G -c ${root_part_num}:rootfs /dev/mmcblk0 >/dev/null 2>&1 || die 6 "cannot resize the rootfs partition, aborting"
fdisk /dev/mmcblk0 >/dev/null 2>&1 <<EOF
d
${root_part_num}
n
p
${root_part_num}
${part_start}
+1G
w
EOF
# Mark the rootfs partition as bootable
sgdisk -A ${root_part_num}:set:2 /dev/mmcblk0 >/dev/null 2>&1 || die 7 "cannot make the rootfs partition bootable, aborting"
sfdisk -A /dev/mmcblk0 ${root_part_num} >/dev/null 2>&1 || die 7 "cannot make the rootfs partition bootable, aborting"
# Copy the primary GPT to the end of the disk
sgdisk -e /dev/mmcblk0 >/dev/null 2>&1 || die 8 "cannot move the GPT to the end of the disk"
sync
return 0
}
@@ -74,9 +77,9 @@ create_swap () {
if [ $? -ne 0 ]; then
# Check that the last partition is the rootfs partition
local last_part_line=$(sgdisk -p /dev/mmcblk0 2>/dev/null | tail -n 1)
local last_part_line=$(fdisk -l /dev/mmcblk0 2>/dev/null | tail -n 1)
set ${last_part_line}
local last_part_num=${1}
local last_part_num=${1#/dev/mmcblk0p}
if [ "$last_part_num" != "$root_part_num" ]; then
die 11 "rootfs is not the last partition. Don't know how to create the backing store partition"
fi
@@ -84,9 +87,17 @@ create_swap () {
# Create an additional linux swap partition
let swap_part_num=${last_part_num}+1
swap_part=/dev/mmcblk0p${swap_part_num}
sgdisk -n ${swap_part_num}:0:+128M -c ${swap_part_num}:swap -t ${swap_part_num}:8200 /dev/mmcblk0 >/dev/null 2>&1 || die 12 "cannot create the swap partition, aborting"
sync
partprobe /dev/mmcblk0 >/dev/null 2>&1 || die 13 "cannot reload the partition table, aborting"
fdisk /dev/mmcblk0 >/dev/null 2>&1 <<EOF
n
p
${swap_part_num}
+128M
t
${wap_part_num}
82
w
EOF
mkswap ${swap_part} >/dev/null 2>&1
if [ $? -ne 0 ]; then
die 14 "cannot create swap file, aborting"
@@ -105,17 +116,27 @@ create_backing_store_partition () {
if [ $? -ne 0 ]; then
# Check that the last partition is the swap partition
local last_part_line=$(sgdisk -p /dev/mmcblk0 2>/dev/null | tail -n 1)
local last_part_line=$(fdisk -l /dev/mmcblk0 2>/dev/null | tail -n 1)
set ${last_part_line}
local last_part_num=${1}
local last_part_num=${1#/dev/mmcblk0p}
if [ "${last_part_num}" != "${swap_part_num}" ]; then
die 15 "rootfs is not the last partition. Don't know how to create the backing store partition"
fi
# Create an additional Microsoft basic data partition share partition that fills the disk
# Create an additional FAT32 share partition that fills the disk
let share_part_num=${last_part_num}+1
share_part=/dev/mmcblk0p${share_part_num}
sgdisk -n ${share_part_num}:0:-0 -c ${share_part_num}:share -t ${share_part_num}:0700 /dev/mmcblk0 >/dev/null 2>&1 || die 16 "cannot create the backing store partition, aborting"
fdisk /dev/mmcblk0 >/dev/null 2>&1 <<EOF
n
p
${share_part_num}
t
${share_part_num}
c
w
EOF
sync
fi
return 0
@@ -139,7 +160,6 @@ copy_files_to_store_partition () {
}
check_root_id
check_first_boot
notif " FIRST BOOT DETECTED"
notif " 1/9 RESIZE ROOT PARTITION"