37 lines
736 B
Bash
37 lines
736 B
Bash
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#!/bin/bash
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# Modify this script to handle disk changes as needed.
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# Some of this may be incorrect or not needed. You will need to verify this.
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set -ex
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#diskname="$1"
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#devname="$2"
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#loopname="${devname%*p2}"
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#loopdev=/dev/${loopname#/dev/mapper/*}
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# shellcheck disable=SC2034
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image_fs="$1"
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root_partnum="$2"
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root_device="/dev/mapper/loop*p${root_partnum}"
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loop_name="$(basename $root_device | cut -f 1-2 -d 'p')"
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disk_device="/dev/${loop_name}"
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# pi's probably don't support GPT.
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cat > gdisk.tmp <<-'EOF'
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x
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r
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g
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t
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1
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c
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w
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y
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EOF
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dd if="$disk_device" of=mbrid.bin bs=1 skip=440 count=4
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gdisk "$disk_device" < gdisk.tmp
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dd of="$disk_device" if=mbrid.bin bs=1 seek=440 count=4
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rm -f mbrid.bin
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rm -rf gdisk.tmp
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