Function transfer_changes

atomic-repository/tests/view_manifest_test.rs:68–74

Copy every change file referenced by a manifest into another repository's store (stands in for the `?store` / `?change` transfer).

(from: &Repository, to: &Repository, manifest: &ViewManifest)

/// Copy every change file referenced by a manifest into another repository's
/// store (stands in for the `?store` / `?change` transfer).
fn transfer_changes(from: &Repository, to: &Repository, manifest: &ViewManifest) {
    for hash in &manifest.changes {
        let change = from.load_change(hash).expect("load change");
        let saved = to.save_change(&change).expect("save change");
        assert_eq!(saved, *hash, "content address must survive the transfer");
    }
}

#[test]
fn export_captures_exact_identity() {