16 lines
402 B
Bash
16 lines
402 B
Bash
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#!/bin/sh
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set -eo pipefail
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DISK=/dev/mmcblk0
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PARTITION="${DISK}p2"
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parted -s -a opt "$DISK" "resizepart 2 100%"
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FS_SIZE="$(unsquashfs -s "$PARTITION" | grep -o 'Filesystem size [0-9]* bytes' | grep -o '[0-9][0-9]*')"
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FS_OFFSET="$(expr '(' "$FS_SIZE" + 65535 ')' / 65536 '*' 65536)"
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LOOP_DEVICE="$(losetup -f --show -o "$FS_OFFSET" "$PARTITION")"
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e2fsck -fy "$LOOP_DEVICE"
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resize2fs "$LOOP_DEVICE"
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