Fixing noxfiles a bit more.

Signed-off-by: Cliff Hill <xlorep@darkhelm.org>

backend/noxfile.py

@@ -1,33 +1,23 @@
-"""Nox sessions."""
+"""Nox sessions for backend tasks.
+
+Run with `nox -s <session>` from the backend directory.
+"""
 
 import os
-import shlex
 import shutil
 import sys
 from pathlib import Path
-from textwrap import dedent
 
 import nox
-
+from nox_poetry import Session
-
+from nox_poetry import session
-try:
-    from nox_poetry import Session
-    from nox_poetry import session
-except ImportError:
-    message = f"""\
-    Nox failed to import the 'nox-poetry' package.
-
-    Please install it using the following command:
-
-    {sys.executable} -m pip install nox-poetry"""
-    raise SystemExit(dedent(message)) from None
 
 
 package = "backend"
 python_versions = ["3.13"]
 nox.needs_version = ">= 2025.5.1"
 nox.options.sessions = (
-    "pre-commit",
+    "precommit",
     "safety",
     "mypy",
     "tests",
@@ -37,81 +27,17 @@ nox.options.sessions = (
 )
 
 
-def activate_virtualenv_in_precommit_hooks(session: Session) -> None:
+@session(name="pre-commit", python=python_versions[0])
-    """Activate virtualenv in hooks installed by pre-commit.
+def precommit(session: Session) -> None:
-
+    """Run pre-commit checks by delegating to the root noxfile.
-    This function patches git hooks installed by pre-commit to activate the
-    session's virtual environment. This allows pre-commit to locate hooks in
-    that environment when invoked from git.
 
     Args:
         session: The Nox session object.
-
-    Returns:
-        None, as the function modifies hooks in place or exits early.
     """
-    assert session.bin is not None  # noqa: S101
+    session.run("nox", "-f", "../noxfile.py", "-s", "pre-commit", external=True)
 
-    # Only patch hooks containing a reference to this session's bindir. Support
-    # quoting rules for Python and bash, but strip the outermost quotes so we
-    # can detect paths within the bindir, like <bindir>/python.
-    bindirs = [
-        bindir[1:-1] if bindir[0] in "'\"" else bindir
-        for bindir in (repr(session.bin), shlex.quote(session.bin))
-    ]
 
-    virtualenv = session.env.get("VIRTUAL_ENV")
+package = "backend"
-    if virtualenv is None:
-        return
-
-    headers = {
-        # pre-commit < 2.16.0
-        "python": f"""\
-            import os
-            os.environ["VIRTUAL_ENV"] = {virtualenv!r}
-            os.environ["PATH"] = os.pathsep.join((
-                {session.bin!r},
-                os.environ.get("PATH", ""),
-            ))
-            """,
-        # pre-commit >= 2.16.0
-        "bash": f"""\
-            VIRTUAL_ENV={shlex.quote(virtualenv)}
-            PATH={shlex.quote(session.bin)}"{os.pathsep}$PATH"
-            """,
-        # pre-commit >= 2.17.0 on Windows forces sh shebang
-        "/bin/sh": f"""\
-            VIRTUAL_ENV={shlex.quote(virtualenv)}
-            PATH={shlex.quote(session.bin)}"{os.pathsep}$PATH"
-            """,
-    }
-
-    hookdir = Path(".git") / "hooks"
-    if not hookdir.is_dir():
-        return
-
-    for hook in hookdir.iterdir():
-        if hook.name.endswith(".sample") or not hook.is_file():
-            continue
-
-        if not hook.read_bytes().startswith(b"#!"):
-            continue
-
-        text = hook.read_text()
-
-        if not any(
-            Path("A") == Path("a") and bindir.lower() in text.lower() or bindir in text
-            for bindir in bindirs
-        ):
-            continue
-
-        lines = text.splitlines()
-
-        for executable, header in headers.items():
-            if executable in lines[0].lower():
-                lines.insert(1, dedent(header))
-                hook.write_text("\n".join(lines))
-                break
 
 
 @session(python=python_versions[0])

frontend/noxfile.py

@@ -1,6 +1,6 @@
 """Nox sessions for frontend tasks.
 
-Run with `nox -s <session>` from the project root or frontend directory.
+Run with `nox -s <session>` from the frontend directory.
 """
 
 import os
@@ -9,6 +9,25 @@ from pathlib import Path
 import nox
 
 
+nox.options.sessions = (
+    "precommit",
+    "coverage",
+    "audit",
+    "storybook",
+    "jest",
+)
+
+
+@nox.session(name="pre-commit")
+def precommit(session: nox.Session) -> None:
+    """Run pre-commit checks by delegating to the root noxfile.
+
+    Args:
+        session: The Nox session object.
+    """
+    session.run("nox", "-f", "../noxfile.py", "-s", "pre-commit", external=True)
+
+
 @nox.session(name="typecheck")
 def typecheck(session: nox.Session) -> None:
     """Run TypeScript type checks.

noxfile.py

@@ -46,7 +46,6 @@ def precommit(session: Session) -> None:
 
 
 backend_sessions = [
-    "pre-commit",
     "safety",
     "mypy",
     "tests",