This repo is used to download manifests for Tinker Board 2/2S Android source releases.
Please refer to the following URL to install Repo.
https://source.android.com/setup/develop#installing-repo
Please refer to the following URL to understand how to download the AOSP soure.
https://source.android.com/setup/build/downloading
Then, you can issue the following commands to donwload the Android source releases for Tinker Board 2/2S.
$ repo init -u https://github.com/TinkerBoard2-Android/manifest.git -b REVISION -m NAME.xml
$ repo sync
Here REVISON is the manifest branch or revision (use HEAD for default) and NAME.xml is the initial manifest file.