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<!-- START doctoc generated TOC please keep comment here to allow auto update -->
<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
2020-02-19 01:07:01 +01:00
# Contributing
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- [Requirements](#requirements)
- [Linux-specific requirements](#linux-specific-requirements)
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- [Creating pull requests](#creating-pull-requests)
- [Commits and commit history](#commits-and-commit-history)
- [Development workflow](#development-workflow)
- [Version updates to Code](#version-updates-to-code)
- [Patching Code](#patching-code)
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- [Build](#build)
- [Troubleshooting](#troubleshooting)
- [I see "Forbidden access" when I load code-server in the browser](#i-see-forbidden-access-when-i-load-code-server-in-the-browser)
- ["Can only have one anonymous define call per script"](#can-only-have-one-anonymous-define-call-per-script)
- [Help](#help)
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- [Test](#test)
- [Unit tests](#unit-tests)
- [Script tests](#script-tests)
- [Integration tests](#integration-tests)
- [End-to-end tests](#end-to-end-tests)
- [Structure](#structure)
- [Modifications to Code](#modifications-to-code)
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- [Currently Known Issues](#currently-known-issues)
<!-- END doctoc generated TOC please keep comment here to allow auto update -->
- [Detailed CI and build process docs](../ci)
## Requirements
The prerequisites for contributing to code-server are almost the same as those
for [VS
Code](https://github.com/Microsoft/vscode/wiki/How-to-Contribute#prerequisites).
Here is what is needed:
- `node` v16.x
- `git` v2.x or greater
- [`git-lfs`](https://git-lfs.github.com)
- [`yarn`](https://classic.yarnpkg.com/en/)
- Used to install JS packages and run scripts
- [`nfpm`](https://nfpm.goreleaser.com/)
- Used to build `.deb` and `.rpm` packages
- [`jq`](https://stedolan.github.io/jq/)
- Used to build code-server releases
- [`gnupg`](https://gnupg.org/index.html)
- All commits must be signed and verified; see GitHub's [Managing commit
signature
verification](https://docs.github.com/en/github/authenticating-to-github/managing-commit-signature-verification)
or follow [this tutorial](https://joeprevite.com/verify-commits-on-github)
- `quilt`
- Used to manage patches to Code
- `rsync` and `unzip`
- Used for code-server releases
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- `bats`
- Used to run script unit tests
### Linux-specific requirements
If you're developing code-server on Linux, make sure you have installed or install the following dependencies:
```shell
sudo apt-get install build-essential g++ libx11-dev libxkbfile-dev libsecret-1-dev python-is-python3
```
These are required by Code. See [their Wiki](https://github.com/microsoft/vscode/wiki/How-to-Contribute#prerequisites) for more information.
## Creating pull requests
Please create a [GitHub Issue](https://github.com/coder/code-server/issues) that
includes context for issues that you see. You can skip this if the proposed fix
is minor.
In your pull requests (PR), link to the issue that the PR solves.
Please ensure that the base of your PR is the **main** branch.
### Commits and commit history
We prefer a clean commit history. This means you should squash all fixups and
fixup-type commits before asking for a review (e.g., clean up, squash, then force
push). If you need help with this, feel free to leave a comment in your PR, and
we'll guide you.
## Development workflow
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1. `git clone https://github.com/coder/code-server.git` - Clone `code-server`
2. `git submodule update --init` - Clone `vscode` submodule
3. `quilt push -a` - Apply patches to the `vscode` submodule.
4. `yarn` - Install dependencies
5. `yarn watch` - Launch code-server localhost:8080. code-server will be live
reloaded when changes are made; the browser needs to be refreshed manually.
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When pulling down changes that include modifications to the patches you will
need to apply them with `quilt`. If you pull down changes that update the
`vscode` submodule you will need to run `git submodule update --init` and
re-apply the patches.
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### Version updates to Code
1. Update the `lib/vscode` submodule to the desired upstream version branch.
chore: upgrade Code to 1.66 (#5135) * chore: upgrade Code to 1.66 * docs: update docs for Code upgrades * fixup!: docs * chore: update vscode submodule * chore: update integration patch * chore: update node-version patch * chore: update github-auth patch They completely changed how auth is handled for GitHub in https://github.com/microsoft/vscode/pull/145424 so our patch may not work. Will need to test and revisit. * refactor: remove postinstall patch It appears they renamed postinstall.js to postinstall.mjs and removed the use of `rimraf` which means our patch is no longer needed! :tada: https://github.com/microsoft/vscode/commit/b0e8554cced292871a67748a18926cfd02f4e840 * chore: refresh local-storage patch * chore: refresh service-worker patch * chore: bulk refresh patches * fixup!: docs formatting * refactor: remove unused last-opened patch * fixup!: formatting docs * fixup!: formatting docs * refactor: remove rsync postinstall * Revert "refactor: remove rsync postinstall" This reverts commit 8d6b613e9d779ba18d0297710614516cde108bcf. * refactor: update postinstall.js to .mjs * feat(patches): add parent-origin bypass * docs(patches): add notes for testing store-socket * docs(patches): update testing info for node-version * refactor(patches): delete github-auth.diff patch * docs(patches): add notes for testing connection-type * fixup!: delete github-auth patch * fixup!: update connection type testing * docs(patches): add notes to insecure-notification.diff * docs(patches): add nots for update-check.diff * fixup!: remove comma in integration patch * fix(e2e): disable workspace trust * refactor: add --no-default-rc for yarn install * feat(patches): remove yarnrc in presinstall * fixup!: silly mistake * docs: add note about KEEP_MODULES=1 * docs(patches): add testing notes for node-version * refactor(patches): remove node-version It appears this is no longer needed due to the `remote/package.json` now which targets node rather than electron. * fixup!: add cd ../.. to code upgrade instructions * fixup!: add note to yarn --production flag * fixup!: make parent-origin easier to upstream * Revert "refactor(patches): delete github-auth.diff patch" This reverts commit 31a354a34345309fadc475491b392d7601e51a32. * Revert "fixup!: delete github-auth patch" This reverts commit bdeb5212e8c7be6cadd109941b486a4bcdae69fa. * Merge webview origin patch into webview patch * Remove unused post-install patch * Prevent builtin extensions from updating * Refresh sourcemaps patch * Update Node to v16 This matches the version in ./lib/vscode/remote/.yarnrc. I changed the engine to exactly 16 since if you use any different version it will just not work since the modules will have been built for 16 (due to the .yarnrc). * Replace fs.rmdir with fs.rm Node is showing a deprecation warning about it. * Update github-auth patch The local credentials provider is no longer used when there is a remote so this code moved into the backend web credential provider. * Prevent fs.rm from erroring about non-existent files We were using fs.rmdir which presumably did not have the same behavior in v14 (in v16 fs.rmdir also errors). * Install Python 3 in CentOS CI container Co-authored-by: Asher <ash@coder.com>
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1. `cd lib/vscode && git checkout release/1.66 && cd ../..`
2. `git add lib && git commit -m "chore: update Code"`
2. Apply the patches (`quilt push -a`) or restore your stashed changes. At this
stage you may need to resolve conflicts. For example use `quilt push -f`,
manually apply the rejected portions, then `quilt refresh`.
3. From the code-server **project root**, run `yarn install`.
4. Test code-server locally to make sure everything works.
5. Check the Node.js version that's used by Electron (which is shipped with VS
Code. If necessary, update your version of Node.js to match.
6. Commit the updated submodule and patches to `code-server`.
7. Open a PR.
### Patching Code
0. You can go through the patch stack with `quilt push` and `quilt pop`.
1. Create a new patch (`quilt new {name}.diff`) or use an existing patch.
2. Add the file(s) you are patching (`quilt add [-P patch] {file}`). A file
**must** be added before you make changes to it.
3. Make your changes. Patches do not need to be independent of each other but
each patch must result in a working code-server without any broken in-between
states otherwise they are difficult to test and modify.
4. Add your changes to the patch (`quilt refresh`)
5. Add a comment in the patch about the reason for the patch and how to
reproduce the behavior it fixes or adds. Every patch should have an e2e test
as well.
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### Build
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You can build as follows:
```shell
yarn build
yarn build:vscode
yarn release
```
chore: upgrade Code to 1.66 (#5135) * chore: upgrade Code to 1.66 * docs: update docs for Code upgrades * fixup!: docs * chore: update vscode submodule * chore: update integration patch * chore: update node-version patch * chore: update github-auth patch They completely changed how auth is handled for GitHub in https://github.com/microsoft/vscode/pull/145424 so our patch may not work. Will need to test and revisit. * refactor: remove postinstall patch It appears they renamed postinstall.js to postinstall.mjs and removed the use of `rimraf` which means our patch is no longer needed! :tada: https://github.com/microsoft/vscode/commit/b0e8554cced292871a67748a18926cfd02f4e840 * chore: refresh local-storage patch * chore: refresh service-worker patch * chore: bulk refresh patches * fixup!: docs formatting * refactor: remove unused last-opened patch * fixup!: formatting docs * fixup!: formatting docs * refactor: remove rsync postinstall * Revert "refactor: remove rsync postinstall" This reverts commit 8d6b613e9d779ba18d0297710614516cde108bcf. * refactor: update postinstall.js to .mjs * feat(patches): add parent-origin bypass * docs(patches): add notes for testing store-socket * docs(patches): update testing info for node-version * refactor(patches): delete github-auth.diff patch * docs(patches): add notes for testing connection-type * fixup!: delete github-auth patch * fixup!: update connection type testing * docs(patches): add notes to insecure-notification.diff * docs(patches): add nots for update-check.diff * fixup!: remove comma in integration patch * fix(e2e): disable workspace trust * refactor: add --no-default-rc for yarn install * feat(patches): remove yarnrc in presinstall * fixup!: silly mistake * docs: add note about KEEP_MODULES=1 * docs(patches): add testing notes for node-version * refactor(patches): remove node-version It appears this is no longer needed due to the `remote/package.json` now which targets node rather than electron. * fixup!: add cd ../.. to code upgrade instructions * fixup!: add note to yarn --production flag * fixup!: make parent-origin easier to upstream * Revert "refactor(patches): delete github-auth.diff patch" This reverts commit 31a354a34345309fadc475491b392d7601e51a32. * Revert "fixup!: delete github-auth patch" This reverts commit bdeb5212e8c7be6cadd109941b486a4bcdae69fa. * Merge webview origin patch into webview patch * Remove unused post-install patch * Prevent builtin extensions from updating * Refresh sourcemaps patch * Update Node to v16 This matches the version in ./lib/vscode/remote/.yarnrc. I changed the engine to exactly 16 since if you use any different version it will just not work since the modules will have been built for 16 (due to the .yarnrc). * Replace fs.rmdir with fs.rm Node is showing a deprecation warning about it. * Update github-auth patch The local credentials provider is no longer used when there is a remote so this code moved into the backend web credential provider. * Prevent fs.rm from erroring about non-existent files We were using fs.rmdir which presumably did not have the same behavior in v14 (in v16 fs.rmdir also errors). * Install Python 3 in CentOS CI container Co-authored-by: Asher <ash@coder.com>
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_NOTE: this does not keep `node_modules`. If you want them to be kept, use `KEEP_MODULES=1 yarn release` (if you're testing in Coder, you'll want to do this)_
Run your build:
```shell
cd release
chore: upgrade Code to 1.66 (#5135) * chore: upgrade Code to 1.66 * docs: update docs for Code upgrades * fixup!: docs * chore: update vscode submodule * chore: update integration patch * chore: update node-version patch * chore: update github-auth patch They completely changed how auth is handled for GitHub in https://github.com/microsoft/vscode/pull/145424 so our patch may not work. Will need to test and revisit. * refactor: remove postinstall patch It appears they renamed postinstall.js to postinstall.mjs and removed the use of `rimraf` which means our patch is no longer needed! :tada: https://github.com/microsoft/vscode/commit/b0e8554cced292871a67748a18926cfd02f4e840 * chore: refresh local-storage patch * chore: refresh service-worker patch * chore: bulk refresh patches * fixup!: docs formatting * refactor: remove unused last-opened patch * fixup!: formatting docs * fixup!: formatting docs * refactor: remove rsync postinstall * Revert "refactor: remove rsync postinstall" This reverts commit 8d6b613e9d779ba18d0297710614516cde108bcf. * refactor: update postinstall.js to .mjs * feat(patches): add parent-origin bypass * docs(patches): add notes for testing store-socket * docs(patches): update testing info for node-version * refactor(patches): delete github-auth.diff patch * docs(patches): add notes for testing connection-type * fixup!: delete github-auth patch * fixup!: update connection type testing * docs(patches): add notes to insecure-notification.diff * docs(patches): add nots for update-check.diff * fixup!: remove comma in integration patch * fix(e2e): disable workspace trust * refactor: add --no-default-rc for yarn install * feat(patches): remove yarnrc in presinstall * fixup!: silly mistake * docs: add note about KEEP_MODULES=1 * docs(patches): add testing notes for node-version * refactor(patches): remove node-version It appears this is no longer needed due to the `remote/package.json` now which targets node rather than electron. * fixup!: add cd ../.. to code upgrade instructions * fixup!: add note to yarn --production flag * fixup!: make parent-origin easier to upstream * Revert "refactor(patches): delete github-auth.diff patch" This reverts commit 31a354a34345309fadc475491b392d7601e51a32. * Revert "fixup!: delete github-auth patch" This reverts commit bdeb5212e8c7be6cadd109941b486a4bcdae69fa. * Merge webview origin patch into webview patch * Remove unused post-install patch * Prevent builtin extensions from updating * Refresh sourcemaps patch * Update Node to v16 This matches the version in ./lib/vscode/remote/.yarnrc. I changed the engine to exactly 16 since if you use any different version it will just not work since the modules will have been built for 16 (due to the .yarnrc). * Replace fs.rmdir with fs.rm Node is showing a deprecation warning about it. * Update github-auth patch The local credentials provider is no longer used when there is a remote so this code moved into the backend web credential provider. * Prevent fs.rm from erroring about non-existent files We were using fs.rmdir which presumably did not have the same behavior in v14 (in v16 fs.rmdir also errors). * Install Python 3 in CentOS CI container Co-authored-by: Asher <ash@coder.com>
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yarn --production # Skip if you used KEEP_MODULES=1
# Runs the built JavaScript with Node.
node .
```
Build the release packages (make sure that you run `yarn release` first):
```shell
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yarn release:standalone
refactor: move integration tests to Jest (#5275) * feat: add installExtension integration test This adds a new helper function called `runCodeServerCommand` along with a test for `--install-extension`. We can use this approach for writing integration tests (i.e. testing a real code-server build, CLI commands, etc). * refactor: s/ test:standalone with test:integration This replaces our integration approach to use Jest instead of a single bash script. By doing this, we will be able to easily maintain and add to our integration test suite. * refactor: filter unit tests Now that our integration tests also use Jest, we need to update our unit test script to ignore `test/integration`. * refactor: add SKIP_SUBMODULE_DEPS to postinstall * refactor: add SKIP_SUBMODULE_DEPS to postinstall * fixup!: skip submod deps * refactor: move runCodeServerCommand into sep. file When Jest runs a test, it loads all the files and imports for that test. This means you might be "requiring" code that's unrelated to your tests. This leads to unexpected errors depending on where the code runs. Moved this file to avoid GLIBC and other errors relaed to argon2 when running integration tests in CI. * fizup: formatting * fizup: increase timeout * refactor: use fixture in installExtension test Instead of relying on a network to install an extension, we use a fixture - vsix file in the repo. This is also faster. * feat: add integration test for listExtensions * chore: ignore integration fixtures * fixup: formatting * fixup: remove custom-hacks.css * fixup: formatting * Update test/integration/installExtension.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/installExtension.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * fixup: contributing integration tests section * fixup: update ci/readme * fixup: use RELEASE_PATH in test-integration.sh * refactor: unzip vsix for listExtensions * refactor: use exec instead of spawn * Update docs/CONTRIBUTING.md Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * refactor: use different default binary path * fixup!: formatting Co-authored-by: Asher <ash@coder.com>
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yarn test:integration
yarn package
```
> On Linux, the currently running distro will become the minimum supported
> version. In our GitHub Actions CI, we use CentOS 7 for maximum compatibility.
> If you need your builds to support older distros, run the build commands
> inside a Docker container with all the build requirements installed.
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### Troubleshooting
#### I see "Forbidden access" when I load code-server in the browser
This means your patches didn't apply correctly. We have a patch to remove the auth from vanilla Code because we use our own.
Try popping off the patches with `quilt pop -a` and reapplying with `quilt push -a`.
### "Can only have one anonymous define call per script"
Code might be trying to use a dev or prod HTML in the wrong context. You can try re-running code-server and setting `VSCODE_DEV=1`.
### Help
If you get stuck or need help, you can always start a new GitHub Discussion [here](https://github.com/coder/code-server/discussions). One of the maintainers will respond and help you out.
## Test
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There are four kinds of tests in code-server:
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1. Unit tests
2. Script tests
3. Integration tests
4. End-to-end tests
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### Unit tests
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Our unit tests are written in TypeScript and run using
[Jest](https://jestjs.io/), the testing framework].
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These live under [test/unit](../test/unit).
We use unit tests for functions and things that can be tested in isolation. The file structure is modeled closely after `/src` so it's easy for people to know where test files should live.
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### Script tests
Our script tests are written in bash and run using [bats](https://github.com/bats-core/bats-core).
These tests live under `test/scripts`.
We use these to test anything related to our scripts (most of which live under `ci`).
### Integration tests
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refactor: move integration tests to Jest (#5275) * feat: add installExtension integration test This adds a new helper function called `runCodeServerCommand` along with a test for `--install-extension`. We can use this approach for writing integration tests (i.e. testing a real code-server build, CLI commands, etc). * refactor: s/ test:standalone with test:integration This replaces our integration approach to use Jest instead of a single bash script. By doing this, we will be able to easily maintain and add to our integration test suite. * refactor: filter unit tests Now that our integration tests also use Jest, we need to update our unit test script to ignore `test/integration`. * refactor: add SKIP_SUBMODULE_DEPS to postinstall * refactor: add SKIP_SUBMODULE_DEPS to postinstall * fixup!: skip submod deps * refactor: move runCodeServerCommand into sep. file When Jest runs a test, it loads all the files and imports for that test. This means you might be "requiring" code that's unrelated to your tests. This leads to unexpected errors depending on where the code runs. Moved this file to avoid GLIBC and other errors relaed to argon2 when running integration tests in CI. * fizup: formatting * fizup: increase timeout * refactor: use fixture in installExtension test Instead of relying on a network to install an extension, we use a fixture - vsix file in the repo. This is also faster. * feat: add integration test for listExtensions * chore: ignore integration fixtures * fixup: formatting * fixup: remove custom-hacks.css * fixup: formatting * Update test/integration/installExtension.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/installExtension.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * fixup: contributing integration tests section * fixup: update ci/readme * fixup: use RELEASE_PATH in test-integration.sh * refactor: unzip vsix for listExtensions * refactor: use exec instead of spawn * Update docs/CONTRIBUTING.md Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * Update test/integration/listExtensions.test.ts Co-authored-by: Asher <ash@coder.com> * refactor: use different default binary path * fixup!: formatting Co-authored-by: Asher <ash@coder.com>
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These are a work in progress. We build code-server and run tests with `yarn test:integration`, which ensures that code-server builds work on their respective
platforms.
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Our integration tests look at components that rely on one another. For example,
testing the CLI requires us to build and package code-server.
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### End-to-end tests
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The end-to-end (e2e) tests are written in TypeScript and run using
[Playwright](https://playwright.dev/).
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These live under [test/e2e](../test/e2e).
Before the e2e tests run, we run `globalSetup`, which eliminates the need to log
in before each test by preserving the authentication state.
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Take a look at `codeServer.test.ts` to see how you would use it (see
`test.use`).
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We also have a model where you can create helpers to use within tests. See
[models/CodeServer.ts](../test/e2e/models/CodeServer.ts) for an example.
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Generally speaking, e2e means testing code-server while running in the browser
and interacting with it in a way that's similar to how a user would interact
with it. When running these tests with `yarn test:e2e`, you must have
code-server running locally. In CI, this is taken care of for you.
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## Structure
The `code-server` script serves as an HTTP API for login and starting a remote
Code process.
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The CLI code is in [src/node](../src/node) and the HTTP routes are implemented
in [src/node/routes](../src/node/routes).
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Most of the meaty parts are in the Code portion of the codebase under
[lib/vscode](../lib/vscode), which we describe next.
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### Modifications to Code
Our modifications to Code can be found in the [patches](../patches) directory.
We pull in Code as a submodule pointing to an upstream release branch.
In v1 of code-server, we had Code as a submodule and used a single massive patch
that split the codebase into a front-end and a server. The front-end consisted
of the UI code, while the server ran the extensions and exposed an API to the
front-end for file access and all UI needs.
Over time, Microsoft added support to Code to run it on the web. They had made
the front-end open source, but not the server. As such, code-server v2 (and
later) uses the Code front-end and implements the server. We did this by using a
Git subtree to fork and modify Code.
Microsoft eventually made the server open source and we were able to reduce our
changes significantly. Some time later we moved back to a submodule and patches
(managed by `quilt` this time instead of the mega-patch).
As the web portion of Code continues to mature, we'll be able to shrink and
possibly eliminate our patches. In the meantime, upgrading the Code version
requires us to ensure that our changes are still applied correctly and work as
intended. In the future, we'd like to run Code unit tests against our builds to
ensure that features work as expected.
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> We have [extension docs](../ci/README.md) on the CI and build system.
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If the functionality you're working on does NOT depend on code from Code, please
move it out and into code-server.
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### Currently Known Issues
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- Creating custom Code extensions and debugging them doesn't work
- Extension profiling and tips are currently disabled