$ git clone -n https://src.fedoraproject.org/rpms/nom-tam-fits.git /var/lib/mock/f39-build-1661949-40666/root/chroot_tmpdir/scmroot/nom-tam-fits
Cloning into '/var/lib/mock/f39-build-1661949-40666/root/chroot_tmpdir/scmroot/nom-tam-fits'...
$ git fetch origin ba7eb3b4e5ee2928ec673391c32c46f756dc58cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nom-tam-fits
 * [new ref]         ba7eb3b4e5ee2928ec673391c32c46f756dc58cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba7eb3b Exclude CompressWithoutDependenciesTest to fix FTBFS,