$ git clone -n https://src.fedoraproject.org/rpms/nom-tam-fits.git /var/lib/mock/f39-build-2196239-51555/root/chroot_tmpdir/scmroot/nom-tam-fits
Cloning into '/var/lib/mock/f39-build-2196239-51555/root/chroot_tmpdir/scmroot/nom-tam-fits'...
$ git fetch origin fe452eb1a7d01525b83cbd23f308ed7d47caf657:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nom-tam-fits
 * [new ref]         fe452eb1a7d01525b83cbd23f308ed7d47caf657 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe452eb Convert license tag to SPDX