Local checking: pre commit

pre-commit

• tool for managing git-hooks scripts for automatical analysis
• 💻 github.com/pre-commit/pre-commit, 📜 documentation
• , , no 📦 fedora packages
• support for scripts/tools installable from an external repo (like the one from authors)
• multiple linting tools support this out-of-the-box
• scripts can also edit the files (e.g. black or trailing-whitespace from author's pre-commit-hooks repo)
• not only pre-commit, but also other git-hooks (e.g. pre-push)
• Possibility to run manualy (e.g. CI):

$ pre-commit run --all-files
[INFO] Initializing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Installing environment for https://github.com/pre-commit/pre-commit-hooks.
[INFO] Once installed this environment will be reused.
[INFO] This may take a few minutes...
Trim Trailing Whitespace.................................................Failed
hookid: trailing-whitespace

Files were modified by this hook. Additional output:

Fixing release-conf.yaml
Fixing CONTRIBUTING.md

$ pre-commit run --all-files
Trim Trailing Whitespace.................................................Passed

• example config:

repos:
-   repo: https://github.com/pre-commit/pre-commit-hooks
    rev: v2.1.0
    hooks:
    - id: trailing-whitespace
    - id: detect-private-key
-   repo: https://github.com/ambv/black
    rev: stable
    hooks:
    - id: black
      language_version: python3.6