IMAGE_PREPROCESS_COMMAND:append = " combine_dbg_image; " 
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combine_dbg_image () { 
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        if [ "${IMAGE_GEN_DEBUGFS}" = "1" -a -e ${IMAGE_ROOTFS}-dbg ]; then 
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                # copy target files into -dbg rootfs, so it can be used for 
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                # debug purposes directly 
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                tar -C ${IMAGE_ROOTFS} -cf - . | tar -C ${IMAGE_ROOTFS}-dbg -xf - 
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        fi 
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} 
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