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#!/bin/bash
COMMAND="$1"
KERNEL_VERSION="$2"
BOOT_DIR_ABS="$3"
KERNEL_IMAGE="$4"
if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
exit 0
fi
MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
# with grub2 always /boot
BOOT_ROOT="/boot"
LOADER_ENTRIES="$BOOT_ROOT/loader/entries"
[ -d "$LOADER_ENTRIES" ] || exit 0
[ "$COMMAND" = "add" ] || exit 0
ARCH=`uname -m`
pushd "$LOADER_ENTRIES" &> /dev/null
for f in `basename "$MACHINE_ID"`-*.conf; do
# Skip non-files and rescue entries
if [ ! -f "$f" -o "${f: -12}" == "-rescue.conf" ]; then
continue
fi
# Skip boom managed entries
if [[ "$f" =~ \w*-[0-9a-f]{7,}-.*-.*.conf ]]; then
continue
fi
if [ "${ARCH:0:4}" = "s390" ]; then
# On s390(x), the zipl bootloader doesn't support variables,
# unpatch TuneD variables which could be there from the previous TuneD
# versions
grep -q '^\s*options\s\+.*\$tuned_params' "$f" && sed -i '/^\s*options\s\+/ s/\s\+\$tuned_params\b//g' "$f"
grep -q '^\s*initrd\s\+.*\$tuned_initrd' "$f" && sed -i '/^\s*initrd\s\+/ s/\s\+\$tuned_initrd\b//g' "$f"
else
# Not on s390(x), add TuneD variables if they are not there
grep -q '^\s*options\s\+.*\$tuned_params' "$f" || sed -i '/^\s*options\s\+/ s/\(.*\)/\1 \$tuned_params/' "$f"
grep -q '^\s*initrd\s\+.*\$tuned_initrd' "$f" || sed -i '/^\s*initrd\s\+/ s/\(.*\)/\1 \$tuned_initrd/' "$f"
fi
done
popd &> /dev/null
exit 0