41e2334484
• Refactored the graphical boot screens to have separate boot and shutdown images • Changed the reboot and shutdown code to force the display of the splash images. • Added 'Team Onefinity.ngc' to the installer files
80 lines
2.8 KiB
Bash
Executable File
80 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Used by the OneFinity firmware to determine if the root filesystem
|
|
# needs to be enlarged to maximize usage of the SD card.
|
|
#
|
|
# The majority of this code originates from /usr/lib/raspi-config/init_resize.sh
|
|
|
|
get_fs_resize_variables () {
|
|
ROOT_PART_DEV=$(findmnt / -o source -n)
|
|
ROOT_PART_NAME=$(echo "$ROOT_PART_DEV" | cut -d "/" -f 3)
|
|
ROOT_DEV_NAME=$(echo /sys/block/*/"${ROOT_PART_NAME}" | cut -d "/" -f 4)
|
|
ROOT_DEV="/dev/${ROOT_DEV_NAME}"
|
|
ROOT_PART_NUM=$(cat "/sys/block/${ROOT_DEV_NAME}/${ROOT_PART_NAME}/partition")
|
|
BOOT_PART_DEV=$(findmnt /boot -o source -n)
|
|
BOOT_PART_NAME=$(echo "$BOOT_PART_DEV" | cut -d "/" -f 3)
|
|
BOOT_DEV_NAME=$(echo /sys/block/*/"${BOOT_PART_NAME}" | cut -d "/" -f 4)
|
|
ROOT_DEV_SIZE=$(cat "/sys/block/${ROOT_DEV_NAME}/size")
|
|
TARGET_END=$((ROOT_DEV_SIZE - 1))
|
|
PARTITION_TABLE=$(parted -m "$ROOT_DEV" unit s print | tr -d 's')
|
|
LAST_PART_NUM=$(echo "$PARTITION_TABLE" | tail -n 1 | cut -d ":" -f 1)
|
|
ROOT_PART_LINE=$(echo "$PARTITION_TABLE" | grep -e "^${ROOT_PART_NUM}:")
|
|
ROOT_PART_END=$(echo "$ROOT_PART_LINE" | cut -d ":" -f 3)
|
|
}
|
|
|
|
should_resize_root_partition() {
|
|
get_fs_resize_variables
|
|
|
|
if [ "$BOOT_DEV_NAME" != "$ROOT_DEV_NAME" ]; then
|
|
FAIL_REASON="Boot and root partitions are on different devices"
|
|
return 1
|
|
fi
|
|
|
|
if [ "$ROOT_PART_NUM" -ne "$LAST_PART_NUM" ]; then
|
|
FAIL_REASON="Root partition should be last partition"
|
|
return 1
|
|
fi
|
|
|
|
if [ "$ROOT_PART_END" -gt "$TARGET_END" ]; then
|
|
FAIL_REASON="Root partition runs past the end of device"
|
|
echo $FAIL_REASON
|
|
return 1
|
|
fi
|
|
|
|
if [ ! -b "$ROOT_DEV" ] || [ ! -b "$ROOT_PART_DEV" ] || [ ! -b "$BOOT_PART_DEV" ] ; then
|
|
FAIL_REASON="Could not determine partitions"
|
|
return 1
|
|
fi
|
|
|
|
if [ "$ROOT_PART_END" -eq "$TARGET_END" ]; then
|
|
FAIL_REASON="Root partition is already expanded"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
if should_resize_root_partition; then
|
|
grep "init_resize" /boot/cmdline.txt >/dev/null
|
|
if [ $? -ne 0 ]; then
|
|
# On the next boot, init_resize.sh will:
|
|
# Resize the root partition to use the rest of the SD card
|
|
# Remove itself from /boot/cmdline.txt
|
|
# Reboot the machine
|
|
sudo mount /boot -o rw,remount
|
|
sed -i 's/\(.*\)/\1 init=\/usr\/lib\/raspi-config\/init_resize.sh/' /boot/cmdline.txt
|
|
fi
|
|
|
|
# On the first boot after init_resize, resize2fs_once will:
|
|
# Resize the root fs to fill its partition
|
|
# Remove itself from the registered systemd services
|
|
# Delete itself from the filesystem
|
|
# Therefore, never run again
|
|
cp scripts/resize2fs_once /etc/init.d/resize2fs_once
|
|
chmod +x /etc/init.d/resize2fs_once
|
|
systemctl enable resize2fs_once
|
|
|
|
exit 0
|
|
else
|
|
echo "Not resizing root partition: $FAIL_REASON"
|
|
exit 1
|
|
fi
|