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e2fsprogs: extend recipe to format data partition on first boot for block based devices 

Signed-off-by: David Escalona <david.escalona@digi.com>
This commit is contained in:
David Escalona 2023-03-23 14:09:07 +01:00
parent bf88deb602
commit 62d937df42
1 changed files with 36 additions and 0 deletions
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# Copyright (C) 2023 Digi International.
pkg_postinst_ontarget:${PN}-mke2fs() {
get_emmc_block_device() {
for emmc_number in $(seq 0 9); do
if [ -b "/dev/mmcblk${emmc_number}" ] &&
[ -b "/dev/mmcblk${emmc_number}boot0" ] &&
[ -b "/dev/mmcblk${emmc_number}boot1" ] &&
[ -c "/dev/mmcblk${emmc_number}rpmb" ]; then
echo "/dev/mmcblk${emmc_number}"
break
fi
done
}
get_emmc_data_device() {
local EMMC_BLOCK_DEVICE="$(get_emmc_block_device)"
if [ -n "${EMMC_BLOCK_DEVICE}" ]; then
local DATA_DEVICE="$(blkid ${EMMC_BLOCK_DEVICE}p* | sed -ne "{s,\(^${EMMC_BLOCK_DEVICE}[^:]\+\):.*PARTLABEL=\"data\".*,\1,g;T;p}" | sort -u)"
[ -n "${DATA_DEVICE}" ] && echo "${DATA_DEVICE}"
fi
}
# Format and mount 'data' partition in block system based devices only if it has no format.
EMMC_DATA_DEVICE="$(get_emmc_data_device)"
if [ -n "${EMMC_DATA_DEVICE}" ] && ! blkid ${EMMC_DATA_DEVICE} | grep -q "TYPE="; then
# Format the partition.
echo "WARNING: 'data' partition has no format or it is invalid. Formatting..."
if ! mkfs.ext4 "${EMMC_DATA_DEVICE}"; then
echo "ERROR: Could not format 'data' partition"
else
# Trigger 'add' event for the partition.
echo -n add > "/sys/class/block/${EMMC_DATA_DEVICE##*/}/uevent"
fi
fi
}