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CONTRIBUTING.md

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Contributing

Development Flow

We use Trunk-based development.

A source-control branching model, where developers collaborate on code in a single branch called trunk, resist any pressure to create other long-lived development branches by employing documented techniques. They therefore avoid merge hell, do not break the build, and live happily ever after.

Trunk-Based Development For Smaller Teams

trunk1b

Example

%%{init: { 'logLevel': 'debug', 'theme': 'base' } }%%
gitGraph
    commit
    branch release-1.12
    checkout release-1.12
    commit
    merge main tag: "1.12.0"
    checkout main
    commit id: "bug fix"
    commit
    branch feat/cypher-1
    branch feat/cypher-2
    branch feat/cypher-3
    checkout feat/cypher-1
    commit id: "feat: added entity"
    commit id: "feat: added business logic"
    checkout main
    merge feat/cypher-1
    checkout feat/cypher-3
    commit
    checkout feat/cypher-2
    commit
    merge feat/cypher-3
    checkout main
    merge feat/cypher-2
    checkout release-1.12
    merge main tag: "1.12.1"
    commit tag: "1.12.2"
    checkout main
    commit
    commit
    branch release-2.0
    commit tag: "2.0.0"
    checkout main
    commit
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Coding Style

Names

Chialisp

  • Use kebab-case for function names.
  • Use snake_case for function variable names.
  • Use --private-function for prefixing functions intended to be private. (Note: They are not in fact private, just requested to be)
  • Use %inline-function for prefixing functions that encapsulates implementation in defun-inline.
  • Use normal-function with no prefixing that encapsulates implementation in defun.
  • Use @macro-function for prefixing macros.

Cypher-specific

  • Use PascalCase for class names. (Note: there are no actual classes in chialisp, and only pseudo-classes as defined in the scope of this project.)
  • Use module.submodule.MyCoolClass.function-name pattern for hierarchical naming.
  • Export all symbols with cf. name space, except for condition codes.

Commit Signature

Using GPG, SSH, or S/MIME, you can sign tags and commits locally. These tags or commits are marked as verified on GitHub so other people can be confident that the changes come from a trusted source.

How to setup commit signature

Commit Message

Commit Message Format

Each commit message consists of a header, a body and a footer. The header has a special format that includes a type, a scope and a subject:

<type>(<scope>): <subject>
<BLANK LINE>
<body>
<BLANK LINE>
<footer>

The header is mandatory and the scope of the header is optional.

Example — fix: remove unused dependency lodash.camelcase

Any line of the commit message cannot be longer 100 characters. This allows the message to be easier to read on GitHub as well as in various git tools.

Type

Must be one of the following:

  • feat: A new feature.
  • fix: A bug fix.
  • docs: Documentation only changes.
  • style: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc).
  • refactor: A code change that neither fixes a bug nor adds a feature.
  • perf: A code change that improves performance.
  • test: Adding missing tests.
  • build: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
  • ci: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
  • chore: Changes to the build process or auxiliary tools and libraries such as documentation generation.
  • revert: Reverts a previous commit

Scope

The scope is optional and could be anything specifying place of the commit change. For example nsis, mac, linux, etc...

Subject

The subject contains succinct description of the change:

  • use the imperative, present tense: change not changed nor changes,
  • don't capitalize first letter,
  • no dot (.) at the end.

Body

Just as in the subject, use the imperative, present tense: "change" not "changed" nor "changes". The body should include the motivation for the change and contrast this with previous behavior.

Footer

The footer should contain any information about Breaking Changes and is also the place to reference GitHub issues that this commit Closes.