Function emit_with_opts 

pub fn emit_with_opts<T>(
    cli: &Cli,
    cfg: Option<&RepoConfig>,
    out: &T,
    opts: RenderOpts,
) -> Result<(), Error>
where
    T: RenderOutput,

Same as emit but lets the caller pass non-default render options (e.g. RenderOpts { short: true, .. } for log --oneline).