use crate::{bstr::BString, clone::PrepareFetch, Repository}; /// Builderimpl PrepareFetch {    /// Use `f` to apply arbitrary changes to the remote that is about to be used to fetch a pack.    ///    /// The passed in `remote` will be un-named and pre-configured to be a default remote as we know it from git-clone.    /// It is not yet present in the configuration of the repository,    /// but each change it will eventually be written to the configuration prior to performing a the fetch operation,    /// _all changes done in `f()` will be persisted_.    ///    /// It can also be used to configure additional options, like those for fetching tags. Note that    /// [`with_fetch_tags()`][crate::Remote::with_fetch_tags()] should be called here to configure the clone as desired.    /// Otherwise a clone is configured to be complete and fetches all tags, not only those reachable from all branches.    pub fn configure_remote(        mut self,        f: impl FnMut(crate::Remote<'_>) -> Result<crate::Remote<'_>, Box<dyn std::error::Error + Send + Sync>> + 'static,    ) -> Self {        self.configure_remote = Some(Box::new(f));        self    }     /// Set the remote's name to the given value after it was configured using the function provided via    /// [`configure_remote()`][Self::configure_remote()].    ///    /// If not set here, it defaults to `origin` or the value of `clone.defaultRemoteName`.    pub fn with_remote_name(mut self, name: impl Into<BString>) -> Result<Self, crate::remote::name::Error> {        self.remote_name = Some(crate::remote::name::validated(name)?);        Ok(self)    }     /// Make this clone a shallow one with the respective choice of shallow-ness.    pub fn with_shallow(mut self, shallow: crate::remote::fetch::Shallow) -> Self {        self.shallow = shallow;        self    }} /// Consumptionimpl PrepareFetch {    /// Persist the contained repository as is even if an error may have occurred when fetching from the remote.    pub fn persist(mut self) -> Repository {        self.repo.take().expect("present and consumed once")    }} impl Drop for PrepareFetch {    fn drop(&mut self) {        if let Some(repo) = self.repo.take() {            std::fs::remove_dir_all(repo.work_dir().unwrap_or_else(|| repo.path())).ok();        }    }} impl From<PrepareFetch> for Repository {    fn from(prep: PrepareFetch) -> Self {        prep.persist()    }}