#[derive(Debug, thiserror::Error)]enum Error {    #[error(transparent)]    UrlParse(#[from] gix::url::parse::Error),    #[error(transparent)]    Configuration(#[from] gix::config::credential_helpers::Error),    #[error(transparent)]    Protocol(#[from] gix::credentials::protocol::Error),    #[error(transparent)]    ConfigLoad(#[from] gix::config::file::init::from_paths::Error),} pub fn function(repo: Option<gix::Repository>, action: gix::credentials::program::main::Action) -> anyhow::Result<()> {    use gix::credentials::program::main::Action::*;    gix::credentials::program::main(        Some(action.as_str().into()),        std::io::stdin(),        std::io::stdout(),        gix::credentials::protocol::ContextOptions::default(),        |action, context| -> Result<_, Error> {            let url = context                .url                .clone()                .or_else(|| context.to_url())                .ok_or(Error::Protocol(gix::credentials::protocol::Error::UrlMissing))?;             let (mut cascade, _action, prompt_options) = match repo {                Some(ref repo) => repo                    .config_snapshot()                    .credential_helpers(gix::url::parse(url.as_ref())?)?,                None => {                    let config = gix::config::File::from_globals()?;                    let environment = gix::open::permissions::Environment::all();                    gix::config::credential_helpers(                        gix::url::parse(url.as_ref())?,                        &config,                        false,    /* lenient config */                        |_| true, /* section filter */                        environment,                        false, /* use http path (override, uses configuration now)*/                    )?                }            };            cascade                .invoke(                    match action {                        Get => gix::credentials::helper::Action::Get(context),                        Erase => gix::credentials::helper::Action::Erase(context.to_bstring()),                        Store => gix::credentials::helper::Action::Store(context.to_bstring()),                    },                    prompt_options,                )                .map(|outcome| outcome.and_then(|outcome| (&outcome.next).try_into().ok()))                .map_err(Into::into)        },    )    .map_err(Into::into)}