$ git clone -n https://src.fedoraproject.org/rpms/rust-regorus.git /var/lib/mock/f45-build-44419-813/root/chroot_tmpdir/scmroot/rust-regorus
Cloning into '/var/lib/mock/f45-build-44419-813/root/chroot_tmpdir/scmroot/rust-regorus'...
$ git fetch origin 4466a22c1c82a898d244b7df75b7a989c11babce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-regorus
 * [new ref]         4466a22c1c82a898d244b7df75b7a989c11babce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4466a22 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild