$ git clone -n https://src.fedoraproject.org/rpms/dtkgui.git /var/lib/mock/f41-build-841757-161398/root/chroot_tmpdir/scmroot/dtkgui
Cloning into '/var/lib/mock/f41-build-841757-161398/root/chroot_tmpdir/scmroot/dtkgui'...
$ git fetch origin ff5513560594ff77fa492a4a10559ab2491aa874:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkgui
 * [new ref]         ff5513560594ff77fa492a4a10559ab2491aa874 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff55135 Fix build without libqtxdg