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21 lines
546 B
21 lines
546 B
#!/usr/bin/env sh
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if [ $# != 3 ]; then
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echo "usage: $0 <cache-fs> <backing-pool> <percentage>"
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exit 1
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fi
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CACHE="${1}"
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BACKING="${2}"
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PERCENTAGE=${3}
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set -o errexit
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while [ $(df --output=pcent "${CACHE}" | grep -v Use | cut -d'%' -f1) -gt ${PERCENTAGE} ]
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do
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FILE=$(find "${CACHE}" -type f -printf '%A@ %P\n' | \
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sort | \
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head -n 1 | \
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cut -d' ' -f2-)
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test -n "${FILE}"
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rsync -axqHAXWESR --preallocate --relative --remove-source-files "${CACHE}/./${FILE}" "${BACKING}/"
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done
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