ci: switch from pre-commit to prek

noxfile.py

@@ -1,5 +1,6 @@
 """Nox setup."""
 
+import os
 import shutil
 from pathlib import Path
 
@@ -25,8 +26,11 @@ def lint(s: nox.Session, /) -> None:
 
 @session(uv_groups=["lint"], reuse_venv=True)
 def precommit(s: nox.Session, /) -> None:
-    """Run pre-commit."""
-    s.run("pre-commit", "run", "--all-files", *s.posargs)
+    """Run the pre-commit hooks (via prek)."""
+    # Not a real commit -- no-commit-to-branch would always fail here.
+    # Merge into any SKIP already set, rather than clobber it.
+    skip = ",".join(filter(None, [os.environ.get("SKIP"), "no-commit-to-branch"]))
+    s.run("prek", "run", "--all-files", *s.posargs, env={"SKIP": skip})
 
 
 @session(uv_groups=["lint"], reuse_venv=True)

pyproject.toml

@@ -36,7 +36,7 @@
   dev = [
     "cz-conventional-gitmoji>=0.6.1",
     "ipykernel>=6.29.5",
-    "pre-commit>=4.0.1",
+    "prek>=0.5.3",
     "uv>=0.6.4",
     { include-group = "build" },
     { include-group = "test" },
@@ -46,7 +46,7 @@ build = [
 ]
 lint = [
     "mypy>=1.19.0",
-    "pre-commit>=4.2.0",
+    "prek>=0.5.3",
     "pylint>=3.3.9",
 ]
 nox = [