Add basic .pre-commit-config.yaml and pre-commit.yml workflow.

Preparation for importing #73

PiperOrigin-RevId: 512773443

Author: rwgk

.github/auto_assign-issues.yml

@@ -0,0 +1,17 @@
+name: pre-commit
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
+    - uses: pre-commit/action@v3.0.0
+      with:
+        # Slow hooks are marked with manual - slow is okay here, run them too
+        extra_args: --hook-stage manual --all-files

.github/workflows/pre-commit.yml

@@ -0,0 +1,46 @@
+# To use:
+#
+#     pre-commit run -a
+#
+# Or:
+#
+#     pre-commit install  # (runs every time you commit in git)
+#
+# To update this file:
+#
+#     pre-commit autoupdate
+#
+# See https://github.com/pre-commit/pre-commit
+
+
+ci:
+  autoupdate_commit_msg: "chore(deps): update pre-commit hooks"
+  autofix_commit_msg: "style: pre-commit fixes"
+  autoupdate_schedule: quarterly
+
+repos:
+
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: "v4.4.0"
+  hooks:
+  - id: check-added-large-files
+  - id: check-case-conflict
+  - id: check-docstring-first
+  - id: check-merge-conflict
+  - id: check-symlinks
+  - id: check-toml
+  - id: check-yaml
+  - id: debug-statements
+  - id: end-of-file-fixer
+  - id: mixed-line-ending
+  - id: requirements-txt-fixer
+  - id: trailing-whitespace
+    exclude: \.patch?$
+
+- repo: https://github.com/cheshirekow/cmake-format-precommit
+  rev: "v0.6.13"
+  hooks:
+  - id: cmake-format
+    additional_dependencies: [pyyaml]
+    types: [file]
+    files: (\.cmake|CMakeLists.txt)(.in)?$

.pre-commit-config.yaml

@@ -75,5 +75,3 @@ BAZEL_CXXOPTS="-std=c++17" bazel test --test_output=errors \
     pybind11_protobuf/tests:pass_by_test \
     pybind11_protobuf/tests:proto_enum_test \
     pybind11_protobuf/tests:wrapped_proto_module_test
-
-