pub fn key_to_oid(key: &Key) -> Option<ObjectId>Expand description
The object id behind a family key — Some only for a
GitObjectSha1 key (the family the front serves; ADR-019 §1’s
loose-form keying, alkblobs ADR-018); any other
algorithm is None (the 0x01/0x02 blob members and the 0x04
member are not oid-addressable from here).