Function wasm_pack::install::download_prebuilt_or_cargo_install

pub fn download_prebuilt_or_cargo_install(
    tool: Tool, 
    cache: &Cache, 
    version: &str, 
    install_permitted: bool
) -> Result<Status, Error>

Install a cargo CLI tool

Prefers an existing local install, if any exists. Then checks if there is a global install on $PATH that fits the bill. Then attempts to download a tarball from the GitHub releases page, if this target has prebuilt binaries. Finally, falls back to cargo install.