65 lines
1.8 KiB
Bash
Executable File
65 lines
1.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Backs up plugins, config, worlds, and settings from MINECRAFT_SERVER_PATH
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# to MINECRAFT_BACKUP_PATH/backup-<timestamp>[-label].tar.bz2.
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#
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# Usage: backup-server.sh [-f|--force] [label]
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# -f Back up even if the server is running (worlds may be inconsistent).
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set -euo pipefail
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TOOLS_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=setup-env.sh
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source "$TOOLS_DIR/setup-env.sh"
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FORCE=false
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LABEL=""
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for arg in "$@"; do
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case "$arg" in
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-f|--force) FORCE=true ;;
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-h|--help) sed -n '2,7p' "$0"; exit 0 ;;
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-*) echo "Unknown option: $arg" >&2; exit 1 ;;
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*) LABEL="$arg" ;;
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esac
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done
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[[ -d "$MINECRAFT_SERVER_PATH" ]] || { echo "Error: $MINECRAFT_SERVER_PATH does not exist." >&2; exit 1; }
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if pgrep -f "java.*paper-.*\.jar" >/dev/null && ! $FORCE; then
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echo "Error: the server is running. Stop it first (tools/stop-server.sh) or pass --force." >&2
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exit 1
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fi
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cd "$MINECRAFT_SERVER_PATH"
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shopt -s nullglob
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ITEMS=()
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[[ -d plugins ]] && ITEMS+=(plugins)
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[[ -d config ]] && ITEMS+=(config)
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for dir in */; do
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dir="${dir%/}"
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[[ -f "$dir/level.dat" ]] && ITEMS+=("$dir")
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done
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for f in *.yml *.yaml *.json *.properties eula.txt; do
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ITEMS+=("$f")
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done
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if (( ${#ITEMS[@]} == 0 )); then
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echo "Error: nothing to back up in $MINECRAFT_SERVER_PATH." >&2
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exit 1
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fi
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# Keep labels filename-safe.
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LABEL="${LABEL//[^A-Za-z0-9._-]/_}"
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NAME="backup-$(date +%Y%m%d-%H%M%S)${LABEL:+-$LABEL}.tar.bz2"
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mkdir -p "$MINECRAFT_BACKUP_PATH"
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ARCHIVE="$MINECRAFT_BACKUP_PATH/$NAME"
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echo "Backing up: ${ITEMS[*]}"
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trap 'rm -f "$ARCHIVE.part"' EXIT
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tar --exclude 'plugins/.paper-remapped' --exclude '*/session.lock' \
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-cjf "$ARCHIVE.part" "${ITEMS[@]}"
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mv "$ARCHIVE.part" "$ARCHIVE"
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trap - EXIT
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echo "Created $ARCHIVE ($(du -h "$ARCHIVE" | awk '{print $1}'))"
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