How to download and setup ostree
Open terminal and run command
git clone https://github.com/ostreedev/ostree.git
git clone is used to create a copy or clone of ostree repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with ostree https://github.com/ostreedev/ostree/archive/master.zip
Or simply clone ostree with SSH
[email protected]:ostreedev/ostree.git