Script cleanup.

tools/setup-env.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Source (bash or zsh) to export the shared server config from ../.env
+# (relative to this script):
+#   PAPER_VERSION, PAPER_BUILD, MINECRAFT_SERVER_PATH, MINECRAFT_SERVER_JAR, MINECRAFT_BACKUP_PATH
+
+_setup_env_self="${BASH_SOURCE[0]:-${(%):-%x}}"
+_setup_env_root="$(cd "$(dirname "$_setup_env_self")/.." && pwd)"
+_setup_env_file="${MINECRAFT_ENV_FILE:-$_setup_env_root/.env}"
+
+if [[ -f "$_setup_env_file" ]]; then
+  while IFS= read -r _line || [[ -n "$_line" ]]; do
+    _line="${_line%$'\r'}"
+    [[ "$_line" =~ ^[[:space:]]*(#|$) ]] && continue
+    _key="${_line%%=*}"
+    _value="${_line#*=}"
+    _key="${_key//[[:space:]]/}"
+    [[ "$_key" =~ ^[A-Za-z_][A-Za-z0-9_]*$ ]] || continue
+    _value="${_value#\"}"; _value="${_value%\"}"
+    _value="${_value#\'}"; _value="${_value%\'}"
+    eval "_current=\"\${$_key:-}\""
+    [[ -z "$_current" ]] && export "$_key=$_value"
+  done < "$_setup_env_file"
+fi
+
+PAPER_VERSION="${PAPER_VERSION:-}"
+PAPER_BUILD="${PAPER_BUILD:-}"
+MINECRAFT_SERVER_PATH="${MINECRAFT_SERVER_PATH:-MCServer}"
+MINECRAFT_SERVER_PATH="${MINECRAFT_SERVER_PATH/#\~/$HOME}"
+[[ "$MINECRAFT_SERVER_PATH" == /* ]] || MINECRAFT_SERVER_PATH="$_setup_env_root/$MINECRAFT_SERVER_PATH"
+MINECRAFT_BACKUP_PATH="${MINECRAFT_BACKUP_PATH:-backups}"
+MINECRAFT_BACKUP_PATH="${MINECRAFT_BACKUP_PATH/#\~/$HOME}"
+[[ "$MINECRAFT_BACKUP_PATH" == /* ]] || MINECRAFT_BACKUP_PATH="$_setup_env_root/$MINECRAFT_BACKUP_PATH"
+
+if [[ -z "${MINECRAFT_SERVER_JAR:-}" && -n "$PAPER_VERSION" && -n "$PAPER_BUILD" ]]; then
+  MINECRAFT_SERVER_JAR="paper-${PAPER_VERSION}-${PAPER_BUILD}.jar"
+fi
+
+export PAPER_VERSION PAPER_BUILD MINECRAFT_SERVER_PATH MINECRAFT_SERVER_JAR MINECRAFT_BACKUP_PATH
+unset _setup_env_self _setup_env_root _setup_env_file _line _key _value _current