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use squashfs for rpi updates (#1998)

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This commit is contained in:
Aiden McClelland
2022-11-29 19:12:47 -07:00
committed by GitHub
parent e0678cc869
commit 71d1418559
4 changed files with 18 additions and 47 deletions
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40
build/raspberry-pi/rip-image.sh
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@@ -17,39 +17,13 @@ if [[ "$ROOT_PARTITION" =~ ^/dev/loop ]] || [[ "$BOOT_PARTITION" =~ ^/dev/loop ]
fi
fi
mkdir -p $TMPDIR/source
mkdir -p $TMPDIR/target
sudo mount $ROOT_PARTITION $TMPDIR/
sudo mount $BOOT_PARTITION $TMPDIR/current/boot/
sudo sed -i 's/PARTUUID=[a-f0-9]+/PARTUUID=cb15ae4d/g' $TMPDIR/current/etc/fstab
sudo sed -i 's/PARTUUID=[a-f0-9]+/PARTUUID=cb15ae4d/g' $TMPDIR/current/boot/cmdline.txt
sudo mksquashfs $TMPDIR/current/ eos.raspberrypi.squashfs
rm -f update.img
truncate -s 5000000000 update.img
mkfs.ext4 update.img
e2label update.img rootfs
sudo mount update.img $TMPDIR/target/
sudo mount $ROOT_PARTITION $TMPDIR/source/
sudo mount $BOOT_PARTITION $TMPDIR/source/current/boot/
sudo rsync -acvAXH --info=progress2 $TMPDIR/source/current/ $TMPDIR/target/
sudo sed -i 's/PARTUUID=[a-f0-9]+/PARTUUID=cb15ae4d/g' $TMPDIR/target/etc/fstab
sudo sed -i 's/PARTUUID=[a-f0-9]+/PARTUUID=cb15ae4d/g' $TMPDIR/target/boot/cmdline.txt
sudo umount $TMPDIR/source/current/boot/
sudo umount $TMPDIR/source/
sudo umount $TMPDIR/target
sudo umount $TMPDIR/current/boot/
sudo umount $TMPDIR/
rm -rf $TMPDIR
sudo e2fsck -f -y update.img
sudo resize2fs -M update.img
BLOCK_INFO=$(sudo dumpe2fs update.img)
BLOCK_COUNT=$(echo "$BLOCK_INFO" | grep "Block count:" | sed 's/Block count:\s\+//g')
BLOCK_SIZE=$(echo "$BLOCK_INFO" | grep "Block size:" | sed 's/Block size:\s\+//g')
FS_SIZE=$[$BLOCK_COUNT*$BLOCK_SIZE]
truncate -s $FS_SIZE update.img
echo "Compressing..."
if which pv > /dev/null; then
cat update.img | pv -s $FS_SIZE | gzip > update.img.gz
else
cat update.img | gzip > update.img.gz
fi