51 lines
1.3 KiB
Bash
51 lines
1.3 KiB
Bash
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#! /bin/bash
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#
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# terraria.sh
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# Backup script for Gitea. 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 TERRARIADIR="{{ terraria_root }}/{{ terraria_name }}"
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export OUTDIR="$TERRARIADIR/backups"
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retention=144 # 30-minute intervals, 3 days
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# Helper functions
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log() {
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[ -z "$1" ] && return 1
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printf "$(date -Iseconds): $1\n"
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}
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# Sanity checks
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if ! [ -d "$OUTDIR" ]; then
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if ! mkdir "$OUTDIR"; then
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log "Unable to find or create output directory: $OUTDIR"
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return 2
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fi
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fi
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# Enforce permissions on our output directory since the terraria user will need them
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chown terraria.ter-admin "$OUTDIR"
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chmod 770 "$OUTDIR"
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# Purge oldest backup if we need to
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currentbackupcount="$(ls -1 "$OUTDIR" | wc -l)"
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if (( currentbackupcount >= retention )); then
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lastbackup="$(find "$OUTDIR" -name \*.wld 2>/dev/null | sort | head -n 1)"
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if [ -f "$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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if cd "$OUTDIR"; then
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log "Initiating terraria dump"
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su terraria -c "cp \"$TERRARIADIR/worlds/world.wld\" \"$OUTDIR/world-$(date -Iseconds).wld\""
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else
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log "Could not change directory: $OUTDIR"
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return 3
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fi
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