$ git clone -n https://src.fedoraproject.org/rpms/qsstv.git /var/lib/mock/f39-build-1575111-37923/root/chroot_tmpdir/scmroot/qsstv
Cloning into '/var/lib/mock/f39-build-1575111-37923/root/chroot_tmpdir/scmroot/qsstv'...
$ git fetch origin 42e30eee0ac5d76e1e51746a047b04dfb84d4404:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qsstv
 * [new ref]         42e30eee0ac5d76e1e51746a047b04dfb84d4404 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42e30ee Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild