$ git pr sponsor -h
usage: git-pr sponsor [options] [<ID>]
        -u, --username NAME  Username on host
        -r, --remote NAME    Name of remote, defaults to 'origin'
            --verbose        Turn on verbose output
            --debug          Turn on debugging output
            --version        Print the version of this tool
        -h, --help           Show this help text

$ git pr sponsor 778
Pushed as commit 65d45ce242672baee07d0d68ee68242af6c0fc70