mkimage-profiles/features.in/grub/scripts.d/20-propagator-rescue-hash-grub
2021-02-15 19:14:19 +07:00

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#!/bin/sh
# postprocess grub configuration
# to add rescue image hash, if any
# (for propagator in forensic mode)
cd "$WORKDIR"
cfg='boot/grub/grub.cfg'
[ -f "$cfg" ] || exit 0
find -maxdepth 1 -type f -name rescue \
| while read image; do
rescue_hash="$(sha256sum -b "$image" | cut -f1 -d' ')"
sed -i "s,@rescue_hash@,$rescue_hash," $cfg
done