Merge pull request #435 from math-inc/codex/public-empty-morph-args-20260328

fix(installer): support empty morph passthrough args

Author: gauss-math-inc

scripts/install.sh

@@ -128,6 +128,14 @@ print_direct_start_hint() {
   printf 'Open Gauss is ready. Start with: gauss setup\n'
 }
 
+run_local_template() {
+  if [ "${#MORPH_ARGS[@]}" -gt 0 ]; then
+    "$RUNNER_VENV/bin/morphcloud" devbox template run "$INSTALL_TARGET" --experimental-run-locally "${MORPH_ARGS[@]}"
+    return
+  fi
+  "$RUNNER_VENV/bin/morphcloud" devbox template run "$INSTALL_TARGET" --experimental-run-locally
+}
+
 parse_args "$@"
 
 if ! command -v python3 >/dev/null 2>&1; then
@@ -148,7 +156,7 @@ fi
 uv pip install --python "$RUNNER_VENV/bin/python" morphcloud --upgrade
 
 printf 'Running Open Gauss installer flow locally from target: %s\n' "$INSTALL_TARGET"
-"$RUNNER_VENV/bin/morphcloud" devbox template run "$INSTALL_TARGET" --experimental-run-locally "${MORPH_ARGS[@]}"
+run_local_template
 run_exit=$?
 if [ "$run_exit" -ne 0 ]; then
   exit "$run_exit"

tests/test_install_wrapper.py

@@ -128,3 +128,73 @@ def test_install_wrapper_translates_installer_flags_for_local_template_run(tmp_p
         "GAUSS_SETUP_MODE": "skip",
         "GAUSS_RECREATE_VENV": "1",
     }
+
+
+def test_install_wrapper_supports_empty_morph_passthrough_on_bash_nounset(tmp_path):
+    repo = tmp_path / "repo"
+    scripts_dir = repo / "scripts"
+    scripts_dir.mkdir(parents=True)
+    shutil.copy2(REPO_ROOT / "scripts" / "install.sh", scripts_dir / "install.sh")
+
+    runner_bin = repo / ".opengauss-installer-venv" / "bin"
+    runner_bin.mkdir(parents=True)
+    _write_executable(
+        runner_bin / "python",
+        """#!/usr/bin/env bash
+        exit 0
+        """,
+    )
+
+    args_log = tmp_path / "morph-noargs.txt"
+    _write_executable(
+        runner_bin / "morphcloud",
+        f"""#!/usr/bin/env bash
+        set -euo pipefail
+        printf '%s\\n' "$@" > "{args_log}"
+        """,
+    )
+
+    fake_bin = tmp_path / "bin"
+    fake_bin.mkdir()
+    _write_executable(
+        fake_bin / "uv",
+        """#!/usr/bin/env bash
+        set -euo pipefail
+        exit 0
+        """,
+    )
+    _write_executable(
+        fake_bin / "tmux",
+        """#!/usr/bin/env bash
+        set -euo pipefail
+        exit 1
+        """,
+    )
+
+    env = os.environ.copy()
+    env["PATH"] = f"{fake_bin}:{env['PATH']}"
+    env["OPEN_GAUSS_AUTO_ATTACH"] = "0"
+
+    result = subprocess.run(
+        [
+            "bash",
+            "scripts/install.sh",
+            "--gauss-home",
+            "/tmp/custom-gauss-home",
+            "--workspace-dir",
+            "/tmp/custom-workspace",
+            "--skip-setup",
+        ],
+        cwd=repo,
+        env=env,
+        text=True,
+        capture_output=True,
+    )
+    assert result.returncode == 0, result.stderr + result.stdout
+    assert args_log.read_text(encoding="utf-8").splitlines() == [
+        "devbox",
+        "template",
+        "run",
+        "opengauss",
+        "--experimental-run-locally",
+    ]