} >&2
}
-if ! ( [[ $COMMAND ]] && [[ $KERNEL_VERSION ]] && [[ $KERNEL_IMAGE ]] ); then
+if ! ( [[ $COMMAND ]] && [[ $KERNEL_VERSION ]] ); then
usage
exit 1
fi
case "$COMMAND" in
add)
+ if [[ -z $KERNEL_IMAGE ]]; then
+ usage
+ exit 1
+ fi
mkdir -p "$BOOT_DIR_ABS" || exit 1
for f in "${PLUGINS[@]}"; do