Allow configuting the Repository object created by PrepareFetch.

Author: bittrance

gix/src/clone/access.rs

@@ -1,4 +1,4 @@
-use crate::{bstr::BString, clone::PrepareFetch, Repository};
+use crate::{bstr::BString, clone::PrepareFetch, Repository, config::SnapshotMut};
 
 /// Builder
 impl PrepareFetch {
@@ -34,6 +34,16 @@ impl PrepareFetch {
         self.shallow = shallow;
         self
     }
+
+    /// Configure the repository's configuration before the fetch operation is performed.
+    pub fn configure(mut self, f: impl FnOnce(&mut SnapshotMut<'_>) -> Result<(), Box<dyn std::error::Error + Send + Sync>>) -> Result<Self, Box<dyn std::error::Error + Send + Sync>> {
+        if let Some(repo) = self.repo.as_mut() {
+            let mut snapshot = repo.config_snapshot_mut();
+            f(&mut snapshot)?;
+            snapshot.commit()?;
+        }
+        Ok(self)
+    }
 }
 
 /// Consumption