31 lines
511 B
Plaintext
31 lines
511 B
Plaintext
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#!/bin/bash
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set -euo pipefail
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IFS=$'\n\t'
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# check lock
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lock=/var/run/cloner.pid
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dir_prefix=cloner
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max_jobs=${JOBS:-3}
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function die(){
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echo $@ 1>&2
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exit 1
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}
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# first, check process
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if [ -f $lock ]
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then
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pid=$(cat $lock)
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# if it still runs, die not so quietly
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[ -n "$pid" ] && [ -d /proc/$pid ] && die "Another process running!"
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fi
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# else make some mess and setup trap
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echo $BASHPID > $lock
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find /data -maxdepth 1 -type d -name "${dir_prefix}-*" | \
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parallel --lb -j $max_jobs -n 1 run-mirror-update
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