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mkimage-profiles-kometa/features.in/syslinux/scripts.d/20-propagator-rescue-hash-s...

20 lines
519 B

#!/bin/sh
# postprocess isolinux configuration
# to add rescue image hash, if any
# (for propagator in forensic mode)
# validate just in case (see also stage1 Makefile)
if [ -z "$(find $WORKDIR/syslinux/*.cfg)" ]; then
echo "Warning: syslinux/*.cfg not found"
exit 0
fi
cd "$WORKDIR"
grep -qs "@rescue_hash@" syslinux/*.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," syslinux/*.cfg
done