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Contributing

👍🎉 First off, thanks for taking the time to contribute! 🎉👍

When contributing to this project, please first discuss the changes you wish to make via an issue before making changes.

Please note the Code of Conduct document, please follow it in all your interactions with this project.

Your First Code Contribution

Unsure where to begin contributing? You can start by looking through the help-wanted issues.

Getting the code

git clone https://github.com/gitkraken/vscode-gitlens.git

Prerequisites

Dependencies

From a terminal, where you have cloned the repository, execute the following command to install the required dependencies:

yarn

Build

From a terminal, where you have cloned the repository, execute the following command to re-build the project from scratch:

yarn run rebuild

👉 NOTE! This will run a complete rebuild of the project.

Or to just run a quick build, use:

yarn run build

Watch

During development you can use a watcher to make builds on changes quick and easy. From a terminal, where you have cloned the repository, execute the following command:

yarn run watch

Or use the provided watch task in VS Code, execute the following from the command palette (be sure there is no > at the start):

task watch

This will first do an initial full build and then watch for file changes, compiling those changes incrementally, enabling a fast, iterative coding experience.

👉 Tip! You can press CMD+SHIFT+B (CTRL+SHIFT+B on Windows, Linux) to start the watch task.

👉 Tip! You don't need to stop and restart the development version of Code after each change. You can just execute Reload Window from the command palette.

Formatting

This project uses prettier for code formatting. You can run prettier across the code by calling yarn run pretty from a terminal.

To format the code as you make changes you can install the Prettier - Code formatter extension.

Add the following to your User Settings to run prettier:

"editor.formatOnSave": true,

Linting

This project uses ESLint for code linting. You can run ESLint across the code by calling yarn run lint from a terminal. Warnings from ESLint show up in the Errors and Warnings quick box and you can navigate to them from inside VS Code.

To lint the code as you make changes you can install the ESLint extension.

Bundling

To generate a production bundle (without packaging) run the following from a terminal:

yarn run bundle

To generate a VSIX (installation package) run the following from a terminal:

yarn run package

Debugging

Using VS Code (desktop)

  1. Open the vscode-gitlens folder
  2. Ensure the required dependencies are installed
  3. Choose the Watch & Run launch configuration from the launch dropdown in the Run and Debug viewlet and press F5
  4. A new VS Code "Extension Development Host" window will open with the extension loaded and ready for debugging
    1. If the "Extension Development Host" window opened without a folder/workspace with a repository (required for most GitLens functionality), you will need to open one and then stop and restart the debug session

In order to see any code changes reflected in the "Extension Development Host" window, you will need to restart the debug session, e.g. using the "Restart" button in the debug toolbar or by pressing [Ctrl|Cmd]+Shift+F5. Although, if the code changes are purely within a webview, you can refresh the webview by clicking the refresh button in the toolbar associated with the webview.

Note: If you see a pop-up with a message similar to "The task cannot be tracked. Make sure to have a problem matcher defined.", you will need to install the TypeScript + Webpack Problem Matchers extension.

Using VS Code (desktop webworker)

  1. Open the vscode-gitlens folder
  2. Ensure the required dependencies are installed
  3. Choose the Watch & Run (web) launch configuration from the launch dropdown in the Run and Debug viewlet and press F5
  4. A new VS Code "Extension Development Host" window will open with the extension loaded and ready for debugging
    1. If the "Extension Development Host" window opened without a folder/workspace with a repository (required for most GitLens functionality), you will need to open one and then stop and restart the debug session

In order to see any code changes reflected in the "Extension Development Host" window, you will need to restart the debug session, e.g. using the "Restart" button in the debug toolbar or by pressing [Ctrl|Cmd]+Shift+F5. Although, if the code changes are purely within a webview, you can refresh the webview by clicking the refresh button in the toolbar associated with the webview.

Using VS Code for the Web (locally)

See https://code.visualstudio.com/api/extension-guides/web-extensions#test-your-web-extension-in-a-browser-using-vscodetestweb

  1. Open the vscode-gitlens folder
  2. Ensure the required dependencies are installed
  3. Run the build or watch task from the command palette
  4. Run the Run (local web) task from the command palette

Using VS Code for the Web (vscode.dev)

See https://code.visualstudio.com/api/extension-guides/web-extensions#test-your-web-extension-in-vscode.dev

  1. Open the vscode-gitlens folder
  2. Ensure the required dependencies are installed
  3. Run the build or watch task from the command palette
  4. Run the Run (vscode.dev) task from the command palette

Submitting a Pull Request

Please follow all the instructions in the PR template.

Contributions to GitLens+ Licensed Files

This repository contains both OSS-licensed and non-OSS-licensed files. All files in or under any directory named "plus" fall under LICENSE.plus. The remaining files fall under LICENSE, the MIT license.

If a pull request is submitted which contains changes to files in or under any directory named "plus", then you agree that GitKraken and/or its licensors (as applicable) retain all right, title and interest in and to all such modifications and/or patches.

Update the CHANGELOG

The Change Log is updated manually and an entry should be added for each change. Changes are grouped in lists by added, changed, removed, or fixed.

Entries should be written in future tense:

  • Be sure to give yourself much deserved credit by adding your name and user in the entry

Added

Changed

Fixed

Update the README

If this is your first contribution to GitLens, please give yourself credit by adding yourself to the Contributors section of the README in the following format:

  • Your Name ([@<your-github-username>](https://github.com/<your-github-username>)) &mdash; [contributions](https://github.com/gitkraken/vscode-gitlens/commits?author=<your-github-username>)

Publishing

Stable Releases

Versioning

GitLens version changes are bucketed into two types:

  • minor: normal release (new features, enhancements and fixes)
  • patch: hotfix release (just fixes)

Note: major version bumps are only considered for more special circumstances.

Preparing a Normal Release

Use the prep-release script to prepare a new release. The script updates the package.json and CHANGELOG.md appropriately, commits the changes as Bumps to v{major}.{minor}.{patch}, and creates a v{major}.{minor}.{patch} tag which when pushed will trigger the CI to publish a release.

  1. Ensure you are on the main branch and have a clean working tree
  2. Ensure the CHANGELOG.md has been updated with the release notes
  3. Run yarn run prep-release and enter the desired {major}.{minor}.{patch} version when prompted
  4. Review the Bumps to v{major}.{minor}.{patch} commit
  5. Run git push --follow-tags to push the commit and tag

Pushing the v{major}.{minor}.{patch} tag will trigger the Publish Stable workflow to automatically package the extension, create a GitHub release, and deploy it to the VS Marketplace.

If the action fails and retries are unsuccessful, the VSIX can be built locally with yarn package and uploaded manually to the marketplace. A GitHub release can also be created manually using v{major}.{minor}.{patch} as the title and the notes from the CHANGELOG.md with the VSIX attached.

Preparing a Patch Release

  1. Create, if needed, a release/{major}.{minor} branch from the latest v{major}.{minor}.{patch} tag
  2. Cherry-pick the desired commits from main into the release/{major}.{minor} branch
  3. Follow steps 2-5 in Preparing a Normal Release above
  4. Manually update the CHANGELOG.md on main with the patch release notes

Note: All patch releases for the same {major}.{minor} version use the same release/{major}.{minor} branch

Pre-releases

The Publish Pre-release workflow is automatically run every AM unless no new changes have been committed to main.

Insiders (deprecated use pre-release instead)

The Publish Insiders workflow is no longer available and was replaced with the pre-release edition.

Updating GL Icons

To add new icons to the GL Icons font follow the steps below:

  • Add new SVG icons to the images/icons folder

  • Update the images/icons/template/mapping.json file with entries for the new icons (append to the end of the file)

  • Optimize and build the icons by running the following from a terminal:

    yarn run icons:svgo
yarn run build:icons

Once you've finshed copy the new glicons.woff2?<uuid> URL from src/webviews/apps/shared/glicons.scss and search and replace the old references with the new one.