evals: use pre-commit hooks

evals/setup_helpers/worktree.py

@@ -1,11 +1,12 @@
 from __future__ import annotations
+
 import json
 import subprocess
+from contextlib import suppress
 from pathlib import Path
 
 from setup_helpers.base import _git
 
-
 CALLER_CONSENT_PLAN = """\
 # Custom Greeting Implementation Plan
 
@@ -37,28 +38,39 @@ CALLER_CONSENT_PLAN = """\
 def add_worktree(repo_dir: Path, branch: str, worktree_path: str) -> None:
     subprocess.run(
         ["git", "worktree", "add", "-b", branch, worktree_path],
-        cwd=repo_dir, check=True, capture_output=True,
+        cwd=repo_dir,
+        check=True,
+        capture_output=True,
     )
 
 
 def detach_head(worktree_path: str) -> None:
     result = subprocess.run(
-        ["git", "rev-parse", "HEAD"], cwd=worktree_path,
-        capture_output=True, text=True, check=True,
+        ["git", "rev-parse", "HEAD"],
+        cwd=worktree_path,
+        capture_output=True,
+        text=True,
+        check=True,
     )
     commit = result.stdout.strip()
     result = subprocess.run(
-        ["git", "branch", "--show-current"], cwd=worktree_path,
-        capture_output=True, text=True, check=True,
+        ["git", "branch", "--show-current"],
+        cwd=worktree_path,
+        capture_output=True,
+        text=True,
+        check=True,
     )
     branch = result.stdout.strip()
     subprocess.run(
-        ["git", "checkout", "--detach", commit], cwd=worktree_path,
-        check=True, capture_output=True,
+        ["git", "checkout", "--detach", commit],
+        cwd=worktree_path,
+        check=True,
+        capture_output=True,
     )
     if branch:
         subprocess.run(
-            ["git", "branch", "-D", branch], cwd=worktree_path,
+            ["git", "branch", "-D", branch],
+            cwd=worktree_path,
             capture_output=True,
         )
 
@@ -93,10 +105,8 @@ def link_gemini_extension(workdir: Path, superpowers_root: str) -> None:
     extension_name = "superpowers"
     manifest = Path(superpowers_root) / "gemini-extension.json"
     if manifest.exists():
-        try:
+        with suppress(json.JSONDecodeError):
             extension_name = json.loads(manifest.read_text()).get("name", extension_name)
-        except json.JSONDecodeError:
-            pass
 
     # Gemini extensions are global; replace any prior link so this run tests
     # the requested SUPERPOWERS_ROOT checkout rather than a stale install.