$ git clone -n https://src.fedoraproject.org/rpms/rust-protobuf-parse.git /var/lib/mock/f45-build-44083-810/root/chroot_tmpdir/scmroot/rust-protobuf-parse
Cloning into '/var/lib/mock/f45-build-44083-810/root/chroot_tmpdir/scmroot/rust-protobuf-parse'...
$ git fetch origin cc1d5974c7dcb229b11b329124c3a52c6d05015b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-protobuf-parse
 * [new ref]         cc1d5974c7dcb229b11b329124c3a52c6d05015b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc1d597 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild