sabayon-buildpackages: add support for INTERNAL_BUILDER, swap the builder image with the local installed one

Author: mudler

sabayon-buildpackages

@@ -41,6 +41,7 @@ docker_volumes=( -v "$OUTPUT_DIR:/usr/portage/packages" )
 [ -z "$ENMAN_REPOSITORIES" ] || docker_env+=(-e "ENMAN_REPOSITORIES=$ENMAN_REPOSITORIES")
 [ -z "$REMOVE_ENMAN_REPOSITORIES" ] || docker_env+=(-e "REMOVE_ENMAN_REPOSITORIES=$REMOVE_ENMAN_REPOSITORIES")
 [ -z "$DISTFILES" ] || docker_volumes+=(-v "$DISTFILES:/usr/portage/distfiles")
+[ -z "$INTERNAL_BUILDER" ] || docker_volumes+=(-v "/usr/sbin/builder:/usr/sbin/builder")
 [ -z "$ENTROPY_DOWNLOADED_PACKAGES" ] || docker_volumes+=(-v "$ENTROPY_DOWNLOADED_PACKAGES:/var/lib/entropy/client/packages")
 [ -z "$DISTCC_HOSTS" ] || docker_env+=(-e "DISTCC_HOSTS=$DISTCC_HOSTS")
 [ -z "${PRUNE_VIRTUALS}" ] || docker_env+=(-e "PRUNE_VIRTUALS=$PRUNE_VIRTUALS")