$ git clone -n https://src.fedoraproject.org/rpms/corectrl.git /var/lib/mock/f45-build-5219-338/root/chroot_tmpdir/scmroot/corectrl
Cloning into '/var/lib/mock/f45-build-5219-338/root/chroot_tmpdir/scmroot/corectrl'...
$ git fetch origin 5956c11d57fd9a572feb3404151c142e9b3b476e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/corectrl
 * [new ref]         5956c11d57fd9a572feb3404151c142e9b3b476e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5956c11 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild