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armbian_rootenc_setup: new _create_fdisk_cmds() function

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This commit is contained in:
The MMGen Project 2026-07-09 18:31:42 +00:00
commit 9cb8a80be0
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
1 changed files with 26 additions and 14 deletions
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40
scripts/armbian_rootenc_setup.sh
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@ -874,6 +874,26 @@ _print_config_vars() {
if [ "$outfile" ]; then echo "$data" > $outfile; else echo "$data"; fi
}
_create_fdisk_cmds() {
local boot_end=$((start_sector + boot_partition_sectors - 1))
local root_start=$((boot_end + 1))
case $partition_table_type in
'gpt')
cmds="g\n"
cmds+="n\n1\n$start_sector\n$boot_end\n"
cmds+="t\n1\n$partition_type_uuid\n"
cmds+="n\n2\n$root_start\n\n"
cmds+="t\n2\n$partition_type_uuid\n"
;;
'dos')
cmds="o\n"
cmds+="n\np\n1\n$start_sector\n$boot_end\n"
cmds+="n\np\n2\n$root_start\n\n"
;;
esac
echo "$cmds"
}
_create_boot_fs() {
local fstype=$(lsblk --noheadings --list --output=FSTYPE "/dev/$BOOT_DEVNAME")
[ "$fstype" == 'ext4' -a "$ROOTENC_REUSE_FS" ] || {
@ -883,23 +903,15 @@ _create_boot_fs() {
}
create_partitions() {
local p1_end p2_start cmds1 cmds2 bname rname fstype
p1_end=$((start_sector + boot_partition_sectors - 1))
p2_start=$((p1_end + 1))
local fdisk_cmds bname rname
case $partition_table_type in
'gpt')
cmds1="g\nn\n1\n$start_sector\n$p1_end\nn\n2\n$p2_start\n\n"
cmds2="t\n1\n$partition_type_uuid\nt\n2\n$partition_type_uuid\n"
;;
'dos')
cmds1="o\nn\np\n1\n$start_sector\n$p1_end\nn\np\n2\n$p2_start\n\n"
cmds2=""
;;
esac
# echo "$part_info" # DEBUG
fdisk_cmds="$(_create_fdisk_cmds)"
_display_output 'fdisk commands' "$(echo -e $fdisk_cmds)"
set +e; trap - ERR # fdisk exits with error if partition table cannot be re-read
echo -e "${cmds1}${cmds2}w\n" | fdisk "/dev/$SDCARD_DEVNAME"
echo -e "${fdisk_cmds}w\n" | fdisk "/dev/$SDCARD_DEVNAME"
set -e; trap '_error_handler' ERR
do_partprobe