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.. _contributing: |
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How to contribute |
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================= |
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This document will eventually outline all aspects of guidance to make your contributing experience a fruitful and enjoyable one. |
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What it already contains is information about *commit message formatting* and how that directly affects the numerous automated processes that are used for this repo. |
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It also covers how to contribute to this *formula's documentation*. |
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.. contents:: **Table of Contents** |
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Overview |
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-------- |
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Submitting a pull request is more than just code! |
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To achieve a quality product, the *tests* and *documentation* need to be updated as well. |
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An excellent pull request will include these in the changes, wherever relevant. |
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Commit message formatting |
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------------------------- |
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Since every type of change requires making Git commits, |
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we will start by covering the importance of ensuring that all of your commit |
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messages are in the correct format. |
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Automation of multiple processes |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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This formula uses `semantic-release <https://github.com/semantic-release/semantic-release>`_ for automating numerous processes such as bumping the version number appropriately, creating new tags/releases and updating the changelog. |
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The entire process relies on the structure of commit messages to determine the version bump, which is then used for the rest of the automation. |
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Full details are available in the upstream docs regarding the `Angular Commit Message Conventions <https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#-git-commit-guidelines>`_. |
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The key factor is that the first line of the commit message must follow this format: |
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.. code-block:: |
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type(scope): subject |
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* E.g. ``docs(contributing): add commit message formatting instructions``. |
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Besides the version bump, the changelog and release notes are formatted accordingly. |
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So based on the example above: |
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.. |
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.. raw:: html |
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<h3>Documentation</h3> |
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* **contributing:** add commit message formatting instructions |
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* The ``type`` translates into a ``Documentation`` sub-heading. |
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* The ``(scope):`` will be shown in bold text without the brackets. |
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* The ``subject`` follows the ``scope`` as standard text. |
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Linting commit messages in Travis CI |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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This formula uses `commitlint <https://github.com/conventional-changelog/commitlint>`_ for checking commit messages during CI testing. |
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This ensures that they are in accordance with the ``semantic-release`` settings. |
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For more details about the default settings, refer back to the ``commitlint`` `reference rules <https://conventional-changelog.github.io/commitlint/#/reference-rules>`_. |
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Relationship between commit type and version bump |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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This formula applies some customisations to the defaults, as outlined in the table below, |
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based upon the `type <https://github.com/angular/angular.js/blob/master/DEVELOPERS.md#type>`_ of the commit: |
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.. list-table:: |
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:name: commit-type-vs-version-bump |
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:header-rows: 1 |
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:stub-columns: 0 |
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:widths: 1,2,3,1,1 |
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* - Type |
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- Heading |
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- Description |
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- Bump (default) |
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- Bump (custom) |
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* - ``build`` |
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- Build System |
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- Changes related to the build system |
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- – |
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- |
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* - ``chore`` |
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- – |
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- Changes to the build process or auxiliary tools and libraries such as |
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documentation generation |
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- – |
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- |
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* - ``ci`` |
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- Continuous Integration |
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- Changes to the continuous integration configuration |
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- – |
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- |
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* - ``docs`` |
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- Documentation |
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- Documentation only changes |
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- – |
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- 0.0.1 |
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* - ``feat`` |
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- Features |
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- A new feature |
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- 0.1.0 |
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- |
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* - ``fix`` |
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- Bug Fixes |
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- A bug fix |
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- 0.0.1 |
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- |
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* - ``perf`` |
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- Performance Improvements |
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- A code change that improves performance |
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- 0.0.1 |
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- |
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* - ``refactor`` |
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- Code Refactoring |
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- A code change that neither fixes a bug nor adds a feature |
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- – |
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- 0.0.1 |
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* - ``revert`` |
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- Reverts |
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- A commit used to revert a previous commit |
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- – |
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- 0.0.1 |
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* - ``style`` |
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- Styles |
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- Changes that do not affect the meaning of the code (white-space, |
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formatting, missing semi-colons, etc.) |
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- – |
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- 0.0.1 |
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* - ``test`` |
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- Tests |
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- Adding missing or correcting existing tests |
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- – |
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- 0.0.1 |
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Use ``BREAKING CHANGE`` to trigger a ``major`` version change |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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Adding ``BREAKING CHANGE`` to the footer of the extended description of the commit message will **always** trigger a ``major`` version change, no matter which type has been used. |
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This will be appended to the changelog and release notes as well. |
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To preserve good formatting of these notes, the following format is prescribed: |
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* ``BREAKING CHANGE: <explanation in paragraph format>.`` |
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An example of that: |
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.. code-block:: git |
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... |
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BREAKING CHANGE: With the removal of all of the `.sls` files under |
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`template package`, this formula no longer supports the installation of |
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packages. |
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