[molecules] add Sabayon ARM Base molecule (woot!)

scripts/post_mmc_image_script.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+# Compress the freaking MMC image using xz
+#
+# Available env vars:
+# IMAGE_PATH = path to generated image
+# IMAGE_CHECKSUM_PATH = path to generated md5 for image
+#
+
+/usr/sbin/env-update && source /etc/profile
+
+COMPRESSED_IMAGE_PATH="${IMAGE_PATH}.xz"
+COMPRESSED_IMAGE_CHECKSUM_PATH="${IMAGE_CHECKSUM_PATH}.xz"
+
+echo
+echo "Spawning xz --compress --force for:"
+echo "IMAGE_PATH = ${IMAGE_PATH}"
+echo "COMPRESSED_IMAGE_PATH = ${COMPRESSED_IMAGE_PATH}"
+echo "IMAGE_CHECKSUM_PATH = ${IMAGE_CHECKSUM_PATH}"
+echo
+
+xz --compress --force "${IMAGE_PATH}" || exit 1
+[[ ! -f "${COMPRESSED_IMAGE_PATH}" ]] && { echo "${COMPRESSED_IMAGE_PATH} not found"; exit 1; }
+
+cd "$(dirname "${COMPRESSED_IMAGE_PATH}")" || exit 1
+img_name=$(basename "${COMPRESSED_IMAGE_PATH}")
+md5sum "${img_name}" > "${COMPRESSED_IMAGE_CHECKSUM_PATH}"
+exit ${?}
+