$ git clone -n https://src.fedoraproject.org/rpms/rust-protobuf-codegen.git /var/lib/mock/f45-build-44090-810/root/chroot_tmpdir/scmroot/rust-protobuf-codegen
Cloning into '/var/lib/mock/f45-build-44090-810/root/chroot_tmpdir/scmroot/rust-protobuf-codegen'...
$ git fetch origin 02b5575639ed7978b1e4124a95e2360af3ae9547:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-protobuf-codegen
 * [new ref]         02b5575639ed7978b1e4124a95e2360af3ae9547 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02b5575 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild