pub fn verify(
git: &Repository,
trust_root: Oid,
shadow_policy: Option<&[u8]>,
commit_range: (Oid, Oid),
results: &mut VerificationResult,
keep_going: bool,
verify_cb: impl FnMut(&Oid, Option<&Oid>, &Result<Vec<Result<(String, Signature, Cert, Fingerprint)>>>) -> Result<()>,
cache: &mut VerificationCache,
) -> Result<()>