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chromeos-releases

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Database for Chrome OS release info and download URLs (scripts only)

chromeos-releases 최신버젼 다운로드

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// repository documentation

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# Chrome OS Releases Database

This repo contains scripts for building a database of all Chrome OS recovery images. The generated data is located at the [chromeos-releases-data](https://github.com/MercuryWorkshop/chromeos-releases-data) repo, which is updated daily.

## Explanation

[Chrome OS recovery images](https://support.google.com/chromebook/answer/1080595?hl=en) are used to reinstall or upgrade the operating system on Chromebooks. You can use them to repair a broken installation, or downgrade to older versions. Downgrading Chrome OS can allow for older bugs and vulnerabilities to be used, which is useful if you are trying to jailbreak the device.

However, Google only makes the newest recovery images available, making it difficult to find older builds. To obtain a list of older recovery images as well as download links, we get this data from two sources:

- Historical data for recovery images is fetched from the [chrome-versions](https://www.npmjs.com/package/chrome-versions) NPM package. This old database used a convoluted method of brute forcing download URLs and is no longer kept up to date. 
- Newer data comes from parsing archived snapshots of the Chromium Serving Builds API and the Recovery API. Snapshots are taken daily, so it includes the data for every single recovery image since 2024.

## Building the Database

You need to run this on a Linux system, due to dependencies on `vboot-kernel-utils` and `binwalk`.

To start, clone this repository, create a Python venv, and install dependencies:

```
python3 -m venv .venv
source .venv/bin/activate
pip3 install -e .
```

Install `vboot-kernel-utils` (needed for the `futility` command) `busybox`, `pcregrep`, and `binwalk`:
```
sudo apt install vboot-kernel-utils busybox binwalk pcregrep
```

Run the script:

```
python3 -m cros_releases
```

Generated data will be located at `data/data.json`. Note that the script will download several TB of data on the first run to determine the kernel version for recovery images.

## Copyright

```
MercuryWorkshop/chromeos-releases: Database for Chrome OS release info and download URLs
Copyright (C) 2025 ading2210

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.
```

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