$ git clone -n https://src.fedoraproject.org/rpms/rust-prost-types.git /var/lib/mock/f45-build-44079-810/root/chroot_tmpdir/scmroot/rust-prost-types
Cloning into '/var/lib/mock/f45-build-44079-810/root/chroot_tmpdir/scmroot/rust-prost-types'...
$ git fetch origin 4ccb5139130400a3cd9777cda206a2aebb547e94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prost-types
 * [new ref]         4ccb5139130400a3cd9777cda206a2aebb547e94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ccb513 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild