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