$ git clone -n https://src.fedoraproject.org/rpms/qsstv.git /var/lib/mock/f45-build-34016-676/root/chroot_tmpdir/scmroot/qsstv
Cloning into '/var/lib/mock/f45-build-34016-676/root/chroot_tmpdir/scmroot/qsstv'...
$ git fetch origin 7ae8c778dc5ad222e2cd7b197fee879dadb2a2ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsstv
 * [new ref]         7ae8c778dc5ad222e2cd7b197fee879dadb2a2ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ae8c77 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild