$ git clone -n https://src.fedoraproject.org/rpms/gdl.git /var/lib/mock/f39-build-2258733-54352/root/chroot_tmpdir/scmroot/gdl
Cloning into '/var/lib/mock/f39-build-2258733-54352/root/chroot_tmpdir/scmroot/gdl'...
$ git fetch origin 6e3a0673bf17a8061527c6e88bc37d92cb3dbb97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdl
 * [new ref]         6e3a0673bf17a8061527c6e88bc37d92cb3dbb97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e3a067 Ignore failing tic_toc test on s390x in F39