feat: add bds core, locale updates and safety fixes

lib/java.sh

@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+is_java_core() {
+  local core="$1"
+  case "$core" in
+    paper|purpur|velocity|powernukkitx) return 0 ;;
+    *) return 1 ;;
+  esac
+}
+
+install_java_21() {
+  if command -v java >/dev/null 2>&1; then
+    local version
+    version="$(java -version 2>&1 | sed -n 's/.*version "\(.*\)".*/\1/p' | head -n1 | sed 's/"//g' | sed 's/^\([0-9][0-9]*\).*/\1/')"
+    if [[ "$version" =~ ^[0-9]+$ ]] && (( version >= 21 )); then
+      info "$(t java_already_available "$version")"
+      return 0
+    fi
+  fi
+
+  info "$(t installing_java_21)"
+  case "$PKG_MANAGER" in
+    apt)
+      emit_step "java_install" "apt"
+      run_cmd apt-get install -y openjdk-21-jre-headless
+      ;;
+    dnf|yum)
+      emit_step "java_install" "$PKG_MANAGER"
+      run_cmd "$PKG_MANAGER" install -y java-21-openjdk-headless
+      ;;
+    pacman)
+      emit_step "java_install" "pacman"
+      run_cmd pacman -Sy --noconfirm jre-openjdk-headless
+      ;;
+  esac
+}
+
+create_java_start_script() {
+  local dir="$1"
+  local jar_file="$2"
+  local ram="$3"
+  local extra_opts="${4:-}"
+
+  local script="$dir/start.sh"
+  emit_step "render_start_script" "$jar_file"
+  run_cmd bash -c "cat > '$script' <<EOF
+#!/usr/bin/env bash
+set -e
+cd \"\$(dirname \"\$0\")\"
+exec java -Xms${ram} -Xmx${ram} ${extra_opts} -jar ${jar_file} nogui
+EOF"
+  run_cmd chmod +x "$script"
+  emit_step "chmod_start_script" "$script"
+}
+
+create_powernukkit_start_script() {
+  local dir="$1"
+  local ram="$2"
+
+  local script="$dir/start.sh"
+  emit_step "render_start_script" "powernukkitx.jar"
+  run_cmd bash -c "cat > '$script' <<EOF
+#!/usr/bin/env bash
+set -e
+cd \"\$(dirname \"\$0\")\"
+exec java -Xms${ram} -Xmx${ram} \\
+  -Dfile.encoding=UTF-8 \\
+  -Djansi.passthrough=true \\
+  -Dterminal.ansi=true \\
+  --add-opens java.base/java.lang=ALL-UNNAMED \\
+  --add-opens java.base/java.io=ALL-UNNAMED \\
+  --add-opens java.base/java.net=ALL-UNNAMED \\
+  -jar powernukkitx.jar
+EOF"
+  run_cmd chmod +x "$script"
+  emit_step "chmod_start_script" "$script"
+}