mirror of
https://github.com/Start9Labs/start-os.git
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36 lines
1.3 KiB
Bash
Executable File
36 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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set -e
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echo 'This script will only work on a card that has previously had a full image written to it.'
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echo 'It will *only* flash the ext4 portion (`green` partition) of the img file onto the card.'
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echo 'The product key, disk guid, and kernel data will *not* be affected.'
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read -p "Continue? [y/N]" -n 1 -r
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if ! [[ "$REPLY" =~ ^[Yy]$ ]]; then
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exit 1
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else
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echo
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fi
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if ! test -e /dev/disk/by-label/green; then
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>&2 echo '`green` partition not found'
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exit 1
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fi
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export SOURCE_DEVICE=$(sudo losetup --show -fP eos.img)
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sudo e2fsck -f ${SOURCE_DEVICE}p3
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sudo resize2fs -M ${SOURCE_DEVICE}p3
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export BLOCK_INFO=$(sudo dumpe2fs ${SOURCE_DEVICE}p3)
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export BLOCK_COUNT=$(echo "$BLOCK_INFO" | grep "Block count:" | sed 's/Block count:\s\+//g')
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export BLOCK_SIZE=$(echo "$BLOCK_INFO" | grep "Block size:" | sed 's/Block size:\s\+//g')
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sudo dd if=${SOURCE_DEVICE}p3 of=/dev/disk/by-label/green count=$BLOCK_COUNT bs=$BLOCK_SIZE status=progress
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echo Verifying...
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export INPUT_HASH=$(sudo dd if=${SOURCE_DEVICE}p3 count=$BLOCK_COUNT bs=$BLOCK_SIZE | sha256sum)
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export OUTPUT_HASH=$(sudo dd if=/dev/disk/by-label/green count=$BLOCK_COUNT bs=$BLOCK_SIZE | sha256sum)
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sudo losetup -d ${SOURCE_DEVICE}
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if ! [[ "$INPUT_HASH" == "$OUTPUT_HASH" ]]; then
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>&2 echo Verification Failed
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exit 1
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fi
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echo Quick Flash Successfull
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