fix(install): allow curl-pipe bash when set -u is enabled

BASH_SOURCE[0] is unset for stdin scripts; call main directly in
install-1panel-docker.sh and quick-install.sh.

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/install-1panel-docker.sh

@@ -271,6 +271,5 @@ main() {
     phase_nexus
 }
 
-if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-    main "$@"
-fi
+# curl | bash 时 stdin 脚本无 BASH_SOURCE[0]，不可配合 set -u 做入口判断
+main "$@"

deploy/quick-install.sh

@@ -120,6 +120,5 @@ main() {
     run_via_git "$@"
 }
 
-if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-    main "$@"
-fi
+# curl | bash 时 stdin 脚本无 BASH_SOURCE[0]，不可配合 set -u 做入口判断
+main "$@"

docs/changelog/2026-06-05-install-1panel-docker-script.md

@@ -34,3 +34,7 @@ curl -fsSL ".../install-1panel-docker.sh" | bash -s -- --skip-1panel
 
 - `bash -n deploy/install-1panel-docker.sh`
 - 逻辑审阅：不写入 `/opt/1panel/apps/`，反代仍由用户在 1Panel UI 配置
+
+## 补丁（同日）
+
+- `curl | bash` 下 `BASH_SOURCE[0]` 在 `set -u` 时为 unbound → 入口改为直接 `main "$@"`（`install-1panel-docker.sh`、`quick-install.sh`）