carbon-lang/.pre-commit-config.yaml

# Part of the Carbon Language project, under the Apache License v2.0 with LLVM
# Exceptions. See /LICENSE for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# See https://pre-commit.com for more information
# See https://pre-commit.com/hooks.html for more hooks

default_language_version:
  python: python3 # Defaults to python2, so override it.

repos:
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: 6e2418c5521b7d606e72914dced3253f9ace1205 # frozen: v3.4.0
    hooks:
      - id: check-added-large-files
      - id: check-case-conflict
      - id: check-executables-have-shebangs
      - id: check-merge-conflict
      - id: check-symlinks
        exclude: |
          (?x)^(
              website/jekyll/site/_includes|
              bazel-(clang-toolchain|execroot)
          )$
      - id: check-yaml
      - id: detect-private-key
      - id: end-of-file-fixer
      - id: mixed-line-ending
        args: ['--fix=lf']
      - id: trailing-whitespace
        exclude: '^(.*/testdata/.*\.golden)$'
  - repo: https://github.com/google/pre-commit-tool-hooks
    rev: 1d04a2848ac54d64bd6474ccec69aac45fa88414 # frozen: v1.1.1
    hooks:
      - id: check-copyright
        args:
          - --copyright
          - |+
            Part of the Carbon Language project, under the Apache License v2.0 with LLVM
            Exceptions. See /LICENSE for license information.
            SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
          - --custom_format
          - '\.carbon$'
          - ''
          - '// '
          - ''
          - --custom_format
          - '\.lpp$'
          - '/*'
          - ''
          - '*/'
          - --custom_format
          - '\.ypp$'
          - ''
          - '// '
          - ''
          - --custom_format
          - '\.l$'
          - '/*'
          - ''
          - '*/'
          - --custom_format
          - '\.y$'
          - '/*'
          - ''
          - '*/'
        exclude: |
          (?x)^(
              .bazelversion|
              compile_flags.txt|
              third_party/examples/.*/compile_flags.carbon.txt|
              website/(firebase/.firebaserc|jekyll/(Gemfile.lock|theme/.*))|
              .*\.def|
              .*\.svg|
              .*/testdata/.*\.golden
          )$
      - id: check-google-doc-style
      - id: markdown-toc
  - repo: https://github.com/codespell-project/codespell
    rev: 67c489d36dd4c52cbb9e4755d90c35c6231842ef # frozen: v2.0.0
    hooks:
      - id: codespell
        args: ['-I', '.codespell_ignore']
        exclude: '^website/jekyll/Gemfile.lock$'
  - repo: local
    hooks:
      - id: proposal-list
        name: Update list of proposals
        description: Updates the list of proposals in proposals/README.md
        entry: proposals/scripts/update_proposal_list.py
        language: python
        files: ^proposals/(README|p.*)\.md$
        pass_filenames: false
  # Formatters should be run late so that they can re-format any prior changes.
  - repo: https://github.com/psf/black
    rev: e66be67b9b6811913470f70c28b4d50f94d05b22 # frozen: 20.8b1
    hooks:
      - id: black
  - repo: https://github.com/jlebar/pre-commit-hooks.git
    rev: 07a539b8db43298f124ace23c90b4b871911b8c4
    hooks:
      - id: bazel-buildifier
      - id: clang-format-whole-file
        types: [c++]
  - repo: https://github.com/pre-commit/mirrors-prettier
    rev: 8e0d199f4004a7f226ed7974fc3883d9c702bded # frozen: v2.2.1
    hooks:
      - id: prettier
        exclude: ^website/jekyll/theme/
  # Run linters last, as formatters and other checks may fix issues.
  - repo: https://gitlab.com/PyCQA/flake8
    rev: 56370aae451722f9d77a5ccd6fb6e231a4a8e651 # frozen: 3.9.0
    hooks:
      - id: flake8

# Most third-party code is in submodules; local commits are excluded here.
# We fully exclude fuzzer corpus directories as they are generated binary data.
exclude: |
  (?x)^(
      third_party/examples/.*/carbon/.*|
      .*/fuzzer_corpus/.*
  )$