.pre-commit-config.yaml

default_language_version:
  python: python3.8
exclude: ^.stubs/
repos:
  - repo: https://github.com/psf/black
    rev: '21.4b2'
    hooks:
      - id: black

  - repo: https://github.com/pycqa/isort
    rev: 5.8.0
    hooks:
      - id: isort
      
  - repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v3.4.0
    hooks:
      # all files should end with an empty line (for one, it minimizes the diffs)
      - id: end-of-file-fixer
      # `.gitattributes` should technically already handle this
      # but autocrlf can result in local files keeping the CRLF
      # which is problematic for codespell
      - id: mixed-line-ending
        args:
          - "--fix=lf"

      # Trailing whitespace is evil
      - id: trailing-whitespace

      # Ensure that links to code on GitHub use the permalinks
      - id: check-vcs-permalinks

      # Syntax validation
      - id: check-ast
      - id: check-json
      - id: check-toml
      # can be switched to yamllint when this issue gets resolved:
      # https://github.com/adrienverge/yamllint/issues/238
      - id: check-yaml

      # JSON auto-formatter
      - id: pretty-format-json
        args:
          - "--autofix"
          - "--indent=4"
          - "--no-sort-keys"

      # Checks for git-related issues
      - id: check-case-conflict
      - id: check-merge-conflict