2017-05-27 18:09:50 +00:00
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#!/bin/bash -x
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# Resize rootfs and its partition on the rpi SD card to maximum size
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# To be used by systemd service on boot
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# Only resizes if /.resize-rootfs exists
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# Assumes root is last partition
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# Only works on F22 + where resizepart command exists
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# Assumes sd card style partition name like <device>p<partition number>
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if [ -f /.resize-rootfs ];then
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echo "$0: maximizing rootfs partion"
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# Calculate root partition
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root_part=`lsblk -aP -o NAME,MOUNTPOINT|grep 'MOUNTPOINT="/"' |awk -F\" '{ print $2 }'`
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root_dev=${root_part:0:-2}
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root_part_no=${root_part: (-1)}
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# Resize partition
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2020-07-10 12:47:31 +00:00
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growpart /dev/$root_dev $root_part_no
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2017-05-27 18:09:50 +00:00
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resize2fs /dev/$root_part
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rm /.resize-rootfs
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fi
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