Implement config driven BSP package modification to set last good kernel for a single device

This will prevent upgrading to higher kernels which are known to be broken.

Author: igorpecovnik

tools/repository/repo

@@ -56,6 +56,24 @@ adding_packages() {
 	return 0
 	fi
 	for f in "${4}${2}"/*.deb; do
+			# If we have a list of last known working kernels, repack BSP files to prevent upgrade to kernel that breaks
+			if [[ -f userpatches/last-known-good.map ]]; then
+				PACKAGE_NAME=$(dpkg-deb -W $f | awk '{ print $1 }')
+				for g in $(cat userpatches/last-known-good-kernel-pkg.map); do
+					# Read values from file
+					BOARD=$(echo $g | cut -d"|" -f1);
+					BRANCH=$(echo $g | cut -d"|" -f2);
+					LINUXFAMILY=$(echo $g | cut -d"|" -f3)
+					LASTKERNEL=$(echo $g | cut -d"|" -f4);
+					if [[ ${PACKAGE_NAME} == "armbian-bsp-cli-${BOARD}-${BRANCH}" ]]; then
+					echo "Setting last kernel upgrade for $BOARD to linux-image-$BRANCH-$BOARD=${LASTKERNEL}"
+					tempdir=$(mktemp -d)
+					dpkg-deb -R $f $tempdir
+					sed -i '/^Replaces:/ s/$/, linux-image-'$BRANCH'-'$LINUXFAMILY' (>> '$LASTKERNEL'), linux-dtb-'$BRANCH'-'$LINUXFAMILY' (>> '$LASTKERNEL')/' $tempdir/DEBIAN/control
+					dpkg-deb -b $tempdir ${f} >/dev/null
+					fi
+				done
+			fi
 			aptly repo add -remove-files -force-replace -config="${CONFIG}" "${1}" "${f}"
 	done
 }