fix(cline): make Python hook installation transactional

tests/test_cline_official.py

@@ -0,0 +1,81 @@
+from __future__ import annotations
+
+import json
+import os
+from pathlib import Path
+import shutil
+import subprocess  # nosec B404
+
+import pytest
+
+from cline_support import prepare_fixture
+
+
+CLINE_CORE_ENTRY = os.environ.get("ELYDORA_CLINE_CORE_ENTRY")
+CLINE_ENTRY = os.environ.get("ELYDORA_CLINE_ENTRY")
+
+
+@pytest.mark.skipif(
+    not (CLINE_CORE_ENTRY and CLINE_ENTRY),
+    reason=(
+        "set ELYDORA_CLINE_CORE_ENTRY and ELYDORA_CLINE_ENTRY "
+        "to official Cline files"
+    ),
+)
+def test_official_cline_loader_discovers_both_managed_hooks(
+    monkeypatch: pytest.MonkeyPatch,
+    tmp_path: Path,
+) -> None:
+    node = shutil.which("node")
+    assert node is not None
+    assert CLINE_CORE_ENTRY is not None
+    assert CLINE_ENTRY is not None
+    fixture = prepare_fixture(monkeypatch, tmp_path)
+    fixture.install()
+    version = subprocess.run(  # nosec B603
+        [node, CLINE_ENTRY, "--version"],
+        cwd=fixture.project_dir,
+        env=fixture.environment(),
+        capture_output=True,
+        check=False,
+        text=True,
+        timeout=10,
+    )
+    assert version.returncode == 0, version.stderr
+    assert version.stdout.strip() == "3.0.46"
+
+    source = """
+import { pathToFileURL } from 'node:url';
+const { listHookConfigFiles } = await import(
+  pathToFileURL(process.env.ELYDORA_CLINE_CORE_ENTRY).href
+);
+console.log(JSON.stringify(listHookConfigFiles(process.env.ELYDORA_WORKSPACE)));
+"""
+    environment = {
+        **fixture.environment(),
+        "ELYDORA_CLINE_CORE_ENTRY": CLINE_CORE_ENTRY,
+        "ELYDORA_WORKSPACE": str(fixture.project_dir),
+    }
+    loaded = subprocess.run(  # nosec B603
+        [node, "--input-type=module", "--eval", source],
+        cwd=fixture.project_dir,
+        env=environment,
+        capture_output=True,
+        check=False,
+        text=True,
+        timeout=10,
+    )
+
+    assert loaded.returncode == 0, loaded.stderr
+    assert json.loads(loaded.stdout) == [
+        {
+            "fileName": "PostToolUse",
+            "hookEventName": "tool_result",
+            "path": str(fixture.audit_wrapper),
+        },
+        {
+            "fileName": "PreToolUse",
+            "hookEventName": "tool_call",
+            "path": str(fixture.guard_wrapper),
+        },
+    ]