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Raspi2-3_GenImage
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Cloner depuis https://github.com/drtyhlpr/rpi23-gen-image.git

Added ENABLE_SWAP...
Added ENABLE_SWAP - This option allows the image to automatically enable swap. The size will be relative to the root partion - Uses the `dphys-swapfile` package
Yannick Schinko - - Load All Authors

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r520:4faf10532824
r520:4faf10532824
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30-expandroot.sh
68 lines | 2.0 KiB | application/x-sh | BashLexer
/ files / firstboot / 30-expandroot.sh
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Jan Wagner
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup
 r82 logger -t "rc.firstboot" "Expanding root partition"
# Detect root partition device
Filip Pytloun
Cleanup code by spliting files
 r47 ROOT_PART=$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p')
Jan Wagner
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup
 r82 if [ -z "$ROOT_PART" ] ; then
log_warning_msg "unable to detect root partition device"
return 1
fi
# Extract root device name
Filip Pytloun
Cleanup code by spliting files
 r47 case "${ROOT_PART}" in
mmcblk0*) ROOT_DEV=mmcblk0 ;;
sda*) ROOT_DEV=sda ;;
esac
Jan Wagner
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup
 r82
# Check detected root partition name
PART_NUM=$(echo ${ROOT_PART} | grep -o '[1-9][0-9]*$')
Jan Wagner
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup
 r77 if [ "$PART_NUM" = "$ROOT_PART" ] ; then
Filip Pytloun
Cleanup code by spliting files
 r47 logger -t "rc.firstboot" "$ROOT_PART is not an SD card. Don't know how to expand"
return 0
fi
# NOTE: the NOOBS partition layout confuses parted. For now, let's only
# agree to work with a sufficiently simple partition layout
Jan Wagner
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup
 r77 if [ "$PART_NUM" -gt 2 ] ; then
Filip Pytloun
Cleanup code by spliting files
 r47 logger -t "rc.firstboot" "Your partition layout is not currently supported by this tool."
return 0
fi
Jan Wagner
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup
 r82
# Check if last partition number
Filip Pytloun
Cleanup code by spliting files
 r47 LAST_PART_NUM=$(parted /dev/${ROOT_DEV} -ms unit s p | tail -n 1 | cut -f 1 -d:)
if [ $LAST_PART_NUM -ne $PART_NUM ]; then
logger -t "rc.firstboot" "$ROOT_PART is not the last partition. Don't know how to expand"
return 0
fi
# Get the starting offset of the root partition
PART_START=$(parted /dev/${ROOT_DEV} -ms unit s p | grep "^${PART_NUM}" | cut -f 2 -d: | sed 's/[^0-9]//g')
Jan Wagner
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup
 r77 if [ -z "$PART_START" ] ; then
logger -t "rc.firstboot" "${ROOT_DEV} unable to get starting sector of the partition"
return 1
fi
Filip Pytloun
Cleanup code by spliting files
 r47
# Get the possible last sector for the root partition
PART_LAST=$(fdisk -l /dev/${ROOT_DEV} | grep '^Disk.*sectors' | awk '{ print $7 - 1 }')
Jan Wagner
Added: ENABLE_CRYPTFS - encrypted rootfs, use-latest-bootloader, cp-cleanup
 r77 if [ -z "$PART_LAST" ] ; then
logger -t "rc.firstboot" "${ROOT_DEV} unable to get last sector of the partition"
return 1
fi
Filip Pytloun
Cleanup code by spliting files
 r47
### Since rc.local is run with "sh -e", let's add "|| true" to prevent premature exit
fdisk /dev/${ROOT_DEV} <<EOF2 || true
p
d
$PART_NUM
n
p
$PART_NUM
$PART_START
$PART_LAST
p
w
EOF2
# Reload the partition table, resize root filesystem then remove resizing code from this file
partprobe &&
resize2fs /dev/${ROOT_PART} &&
Jan Wagner
fix: ENABLE_CRYPTFS -> UBOOT, SPLITFS, EXPANDROOT - cleanup
 r82 logger -t "rc.firstboot" "Root partition successfully resized."