$ git clone -n https://src.fedoraproject.org/rpms/libgdither.git /var/lib/mock/f45-build-16273-484/root/chroot_tmpdir/scmroot/libgdither
Cloning into '/var/lib/mock/f45-build-16273-484/root/chroot_tmpdir/scmroot/libgdither'...
$ git fetch origin 3bc14c704d75c6b6bae152dd5eeeb09d76dedc0e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libgdither
 * [new ref]         3bc14c704d75c6b6bae152dd5eeeb09d76dedc0e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3bc14c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild