backup_images

#!/bin/sh
if [ -d "${YOCTO_DIR}/build/tmp/deploy/images" ]
then
    DATETIME=$(date +%Y%m%d_%H%M%S)
    mkdir -p ${YOCTO_DIR}/build/tmp/deploy/images/old/${DATETIME}
    chown -R ${USERNAME}:${GROUP} ${YOCTO_DIR}/build/tmp/deploy/images/old
    mv ${YOCTO_DIR}/build/tmp/deploy/images/old ${YOCTO_DIR}/build/tmp/deploy/images/.old
    if [ "$(ls ${YOCTO_DIR}/build/tmp/deploy/images/)" ]
    then
        mv ${YOCTO_DIR}/build/tmp/deploy/images/* ${YOCTO_DIR}/build/tmp/deploy/images/.old/${DATETIME}/
    else
        rm -r ${YOCTO_DIR}/build/tmp/deploy/images/.old/${DATETIME} 
    fi
    mv ${YOCTO_DIR}/build/tmp/deploy/images/.old ${YOCTO_DIR}/build/tmp/deploy/images/old
fi