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Git Commit Message Style

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Generally follows the Conventional Commits v1.0.0.

And the following rules have higher priority.

Commit Message Format

<type>[(scope)][!]: <description>


  • <type>, <description> are required.
  • [(scope)], [body], [footer] are optional.
  • If the commit has breaking change, ! is required.


The <type> must be one of the following:

  • build: Changes that affect the build system or external dependencies.
  • ci: Changes to CI configuration files and scripts.
  • docs: Only changes documentation and comments.
  • feat: A new feature.
  • fix: A bug fix.
  • perf: A code change that improves performance.
  • refactor: A code change that neither fixes a bug nor adds a feature.
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc).
  • test: Adding missing tests or correcting existing tests.
  • chore: Other changes that don't modify src or test files.

Breaking Change

The commit message with optional ! to draw attention to breaking change.

chore!: drop Node 6 from testing matrix

BREAKING CHANGE: dropping Node 6 which hits end of life in April

A commit that has the text BREAKING CHANGE: at the beginning of its optional body or footer section introduces a breaking change. Please read the Semantic Versioning.

A BREAKING CHANGE can be part of commits of any type.

Sign the DCO for PR

Please sign our Developer Certificate of Origin (DCO) before sending pull requests. For any code changes to be accepted, the DCO must be signed.

One git commit for PR

Each Pull Request should be in only one commit.

You can use git rebase -i to squash some commits into one.