39 lines
1011 B
Bash
39 lines
1011 B
Bash
#! /bin/bash
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#
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# minecraft.sh
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# Backup script for Minecraft. Meant to be sourced by our main backup script
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# Copyright (C) 2020 Vintage Salt <rehashedsalt@cock.li>
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#
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# Distributed under terms of the MIT license.
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#
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set -e
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export OUTDIR="$BACKUPSDIR/{{ mcname }}"
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retention=7 # 7-day retention period
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# Sanity checks
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if [ -z "$BACKUPSDIR" ]; then
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log "BACKUPSDIR was undefined. Run the main backup script instead of this one."
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return 1
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fi
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if ! [ -d "$OUTDIR" ]; then
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if ! mkdir "$OUTDIR"; then
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log "Unable to find or create output directory: $OUTDIR"
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return 2
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fi
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fi
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# Purge oldest backup if we need to
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currentbackupcount="$(ls -1 "$OUTDIR" | wc -l)"
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if (( currentbackupcount >= retention )); then
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lastbackup="$(find "$OUTDIR" -name \*.tar.gz 2>/dev/null | sort | head -n 1)"
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if [ -f "$lastbackup" ]; then
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log "Removing old backup: $lastbackup"
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rm "$lastbackup"
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fi
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fi
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# WE MAKE BACKUP NOW SERGEI
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tar czf "$OUTDIR/{{ mcname }}-$(date -Iseconds)-world.tar.gz" "/var/minecraft/{{ mcname }}/world"
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