If you're using an older system without Python 3. Repo comes in two parts: One is a launcher script you install, and it communicates with the second part, the full Repo tool included in a source code checkout. Repo is a tool that makes it easier to work with Git in the context of Android. To start with a factory image for a specific device instead of downloading the source, see Selecting a device build. This page describes how to download the source tree for a specific Android code-line. The Git repository includes metadata for the Android source, including changes to the source and when the changes were made. The Android source tree is located in a Git repository hosted by Google.
