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CONTRIBUTING.md
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CONTRIBUTING.md
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# Contributing
## Table of contents
- [Setting Up the Environment](#setting-up-the-environment)
- [Running Tests](#running-tests)
- [Submitting a Pull Request (PR)](#submitting-a-pull-request-pr)
- [After your pull request is merged](#after-your-pull-request-is-merged)
- [Coding Style Guidelines](#coding-style-guidelines)
- [Commit Message Guidelines](#commit-message-guidelines)
- [Commit Message Format](#commit-message-format)
- [Revert](#revert)
- [Type](#type)
- [Scope](#scope)
- [Subject](#subject)
- [Body](#body)
- [Footer](#footer)
## Setting Up the Environment
1. Run `pnpm install` in the root of the repository to install all dependencies.
1. Run `pnpm link --dir ./pnpm/dev -g` to make pnpm from the repository available in the command line via the `pd` command.
1. Run `pnpm run compile` to create an initial build of pnpm from the source in the repository.
1. Now you can change any source code file and run `pd [command] [flags]` to run `pnpm` directly from the source code by compiling all the files without typechecking in memory.
1. Alternatively, for recompiling all the projects with typechecking after your changes, again run `pnpm run compile` in the root of the repository. To run a task that will recompile the projects on change, run `pnpm run watch`.
1. In order to run all the tests in the repository, run `pnpm run test-main`. You may also run tests of specific projects by running `pnpm test` inside a project's directory or using `pnpm --filter <project name> test`.
Some of the e2e tests run node-gyp, so you might need to install some build-essentials on your system for those tests to pass. On Fedora, install these:
```
sudo dnf install make automake gcc gcc-c++ kernel-devel
```
## Running Tests
You can run the tests of the project that you modified by going to the project's directory and running:
```shell
pnpm test
```
Alternatively, you can run it from anywhere by specifying the name of the project using the `--filter` option:
```shell
pnpm --filter core test
```
If you want to pass options to Jest, use the `pnpm run test` command and append any needed options. For instance, if you want to run a single test in a single file, run:
```shell
pnpm --filter core run test test/lockfile.ts -t "lockfile has dev deps even when installing for prod only"
```
## Submitting a Pull Request (PR)
Before you submit your Pull Request (PR) consider the following guidelines:
- Search [GitHub](https://github.com/pnpm/pnpm/pulls) for an open or closed PR
that relates to your submission. You don't want to duplicate effort.
- Make your changes in a new git branch:
```shell
git checkout -b my-fix-branch main
```
- Create your patch, following [code style guidelines](#coding-style-guidelines), and **including appropriate test cases**.
- Run `pnpm changeset` in the root of the repository and describe your changes. The resulting files should be committed as they will be used during release.
- Run the full test suite and ensure that all tests pass.
- Commit your changes using a descriptive commit message that follows our
[commit message conventions](#commit-message-guidelines). Adherence to these conventions
is necessary because release notes are automatically generated from these messages.
```shell
git commit -a
```
Note: the optional commit `-a` command line option will automatically "add" and "rm" edited files.
- Push your branch to GitHub:
```shell
git push origin my-fix-branch
```
- In GitHub, send a pull request to `pnpm:main`.
- If we suggest changes then:
- Make the required updates.
- Re-run the test suites to ensure tests are still passing.
- Rebase your branch and force push to your GitHub repository (this will update your Pull Request):
```shell
git rebase main -i
git push -f
```
That's it! Thank you for your contribution!
### After your pull request is merged
After your pull request is merged, you can safely delete your branch and pull the changes
from the main (upstream) repository:
- Delete the remote branch on GitHub either through the GitHub web UI or your local shell as follows:
```shell
git push origin --delete my-fix-branch
```
- Check out the main branch:
```shell
git checkout main -f
```
- Delete the local branch:
```shell
git branch -D my-fix-branch
```
- Update your main with the latest upstream version:
```shell
git pull --ff upstream main
```
## Coding Style Guidelines
[![js-standard-style](https://raw.githubusercontent.com/standard/standard/master/badge.svg)](https://github.com/standard/standard)
Use the [Standard Style](https://github.com/standard/standard).
## Commit Message Guidelines
[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
We have very precise rules over how our git commit messages can be formatted. This leads to **more
readable messages** that are easy to follow when looking through the **project history**.
### 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.
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.
#### Revert
If the commit reverts a previous commit, it should begin with `revert:`, followed by the header of the reverted commit. In the body it should say: `This reverts commit <hash>.`, where the hash is the SHA of the commit being reverted.
#### 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
- **chore**: Changes to the build process or auxiliary tools and libraries such as documentation
generation
#### Scope
The scope could be anything specifying place of the commit change. For example
`plugin-example`, `render-md`, 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**.
**Breaking Changes** should start with the word `BREAKING CHANGE:` with a space or two newlines. The rest of the commit message is then used for this.