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- # Brave Browser
- ## Overview
- This repository holds the build tools needed to build the Brave desktop browser for macOS, Windows, and Linux. In particular, it fetches and syncs code from the projects we define in `package.json` and `src/brave/DEPS`:
- - [Chromium](https://chromium.googlesource.com/chromium/src.git)
- - Fetches code via `depot_tools`.
- - sets the branch for Chromium (ex: 65.0.3325.181).
- - [brave-core](https://github.com/brave/brave-core)
- - Mounted at `src/brave`.
- - Maintains patches for 3rd party Chromium code.
- - [adblock-rust](https://github.com/brave/adblock-rust)
- - Implements Brave's ad-block engine.
- - Linked through [brave/adblock-rust-ffi](https://github.com/brave/brave-core/tree/master/components/adblock_rust_ffi).
- ## Downloads
- You can [visit our website](https://brave.com/download) to get the latest stable release.
- ## Other repositories
- For other versions of our browser, please see:
- * iOS - [brave/brave-ios](https://github.com/brave/brave-ios)
- ## Contributing
- Please see the [contributing guidelines](./CONTRIBUTING.md).
- ## Community
- [Join the Q&A community](https://community.brave.com/) if you'd like to get more involved with Brave. You can [ask for help](https://community.brave.com/c/support-and-troubleshooting),
- [discuss features you'd like to see](https://community.brave.com/c/brave-feature-requests), and a lot more. We'd love to have your help so that we can continue improving Brave.
- Help us translate Brave to your language by submitting translations at https://www.transifex.com/brave/brave/.
- Follow [@brave](https://twitter.com/brave) on Twitter for important news and announcements.
- ## Install prerequisites
- Follow the instructions for your platform:
- - [macOS](https://github.com/brave/brave-browser/wiki/macOS-Development-Environment)
- - [Windows](https://github.com/brave/brave-browser/wiki/Windows-Development-Environment)
- - [Linux/Android](https://github.com/brave/brave-browser/wiki/Linux-Development-Environment)
- ## Clone and initialize the repo
- Once you have the prerequisites installed, you can get the code and initialize the build environment.
- ```bash
- git clone git@github.com:brave/brave-browser.git
- cd brave-browser
- npm install
- # this takes 30-45 minutes to run
- # the Chromium source is downloaded which has a large history
- npm run init
- ```
- brave-core based android builds should use `npm run init -- --target_os=android --target_arch=arm` (or whatever cpu type you want to build for)
- You can also set the target_os and target_arch for init and build using
- ```
- npm config set target_os android
- npm config set target_arch arm
- ```
- ## Build Brave
- The default build type is component.
- ```
- # start the component build compile
- npm run build
- ```
- To do a release build:
- ```
- # start the release compile
- npm run build Release
- ```
- brave-core based android builds should use `npm run build -- --target_os=android --target_arch=arm` or set the npm config variables as specified above for `init`
- ### Build Configurations
- Running a release build with `npm run build Release` can be very slow and use a lot of RAM especially on Linux with the Gold LLVM plugin.
- To run a statically linked build (takes longer to build, but starts faster)
- ```bash
- npm run build -- Static
- ```
- To run a debug build (Component build with is_debug=true)
- ```bash
- npm run build -- Debug
- ```
- You may also want to try [[using sccache|sccache-for-faster-builds]].
- ## Run Brave
- To start the build:
- `npm start [Release|Component|Static|Debug]`
- # Update Brave
- `npm run sync -- [--force] [--init] [--create] [brave_core_ref]`
- **This will attempt to stash your local changes in brave-core, but it's safer to commit local changes before running this**
- `npm run sync` will (depending on the below flags):
- 1. 📥 Update sub-projects (chromium, brave-core) to latest commit of a git ref (e.g. tag or branch)
- 2. 🤕 Apply patches
- 3. 🔄 Update gclient DEPS dependencies
- 4. ⏩ Run hooks (e.g. to perform `npm install` on child projects)
- | flag | Description |
- |---|---|
- |`[no flags]`|updates chromium if needed and re-applies patches. If the chromium version did not change it will only re-apply patches that have changed. Will update child dependencies **only if any project needed updating during this script run** <br> **Use this if you want the script to manage keeping you up to date instead of pulling or switching branch manually. **|
- |`--create`|when used with `brave_core_ref` it will create a branch if one does not already exist|
- |`--force`|updates both _Chromium_ and _brave-core_ to the latest remote commit for the current brave-core branch and the _Chromium_ ref specified in brave-browser/package.json (e.g. `master` or `74.0.0.103`). Will re-apply all patches. Will force update all child dependencies <br> **Use this if you're having trouble and want to force the branches back to a known state. **|
- |`--init`|force update both _Chromium_ and _brave-core_ to the versions specified in brave-browser/package.json and force updates all dependent repos - same as `npm run init`|
- Run `npm run sync brave_core_ref` to checkout the specified _brave-core_ ref and update all dependent repos including chromium if needed
- ### Scenarios
- #### Create a new branch
- ```bash
- brave-core> git checkout -b branch_name
- ```
- or
- ```bash
- brave-browser> npm run sync -- --create branch_name
- ```
- ### Checkout an existing branch or tag
- ```bash
- brave-core> git fetch origin
- brave-core> git checkout [-b] branch_name
- brave-core> npm run sync
- ...Updating 2 patches...
- ...Updating child dependencies...
- ...Running hooks...
- ```
- or
- ```bash
- brave-browser> npm run sync --create branch_name
- ...Updating 2 patches...
- ...Updating child dependencies...
- ...Running hooks...
- ```
- ### Update the current branch to latest remote
- ```bash
- brave-core> git pull
- brave-core> npm run sync
- ...Updating 2 patches...
- ...Updating child dependencies...
- ...Running hooks...
- ```
- #### Reset to latest brave-browser master, brave-core master and chromium
- ```bash
- brave-browser> git checkout master
- brave-browser> git pull
- brave-browser> npm run sync -- --init
- ```
- #### When you know that DEPS didn't change, but .patch files did (quickest)
- ```bash
- brave-core> git checkout featureB
- brave-core> git pull
- brave-browser> npm run apply_patches
- ...Applying 2 patches...
- ```
- # Enabling third-party APIs:
- 1. **Google Safe Browsing**: Get an API key with SafeBrowsing API enabled from https://console.developers.google.com/. Update the `GOOGLE_API_KEY` environment variable with your key as per https://www.chromium.org/developers/how-tos/api-keys to enable Google SafeBrowsing.
- # Troubleshooting
- See [Troubleshooting](https://github.com/brave/brave-browser/wiki/Troubleshooting) for solutions to common problems.
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