pub fn http_proxy_exists(http: &CargoHttpConfig, config: &Config) -> bool
Expand description

Determine if an http proxy exists.

Checks the following for existence, in order:

  • Cargo’s http.proxy
  • Git’s http.proxy
  • http_proxy env var
  • HTTP_PROXY env var
  • https_proxy env var
  • HTTPS_PROXY env var