radicle-cli is both an executable binary that can be run, and a library that can be used in Rust programs.
Installing the rad executable
Assuming you have Rust/Cargo installed, run this command in a terminal:
cargo install radicle-cli
It will make the rad command available in your PATH if you've allowed the PATH to be modified when installing Rust. cargo uninstall radicle-cli uninstalls.
Adding radicle_cli library as a dependency
Run this command in a terminal, in your project's directory:
cargo add radicle-cli
To add it manually, edit your project's Cargo.toml file and add to the [dependencies] section:
radicle-cli = "0.18.0"
The radicle_cli library will be automatically available globally.
Read the radicle_cli library documentation.