$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-4ti2interface.git /var/lib/mock/f45-build-9425-403/root/chroot_tmpdir/scmroot/gap-pkg-4ti2interface
Cloning into '/var/lib/mock/f45-build-9425-403/root/chroot_tmpdir/scmroot/gap-pkg-4ti2interface'...
$ git fetch origin 5dcace18898bab4df0422cfa44dbba3b92db1675:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-4ti2interface
 * [new ref]         5dcace18898bab4df0422cfa44dbba3b92db1675 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5dcace1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild