$ git clone -n https://src.fedoraproject.org/rpms/AusweisApp2.git /var/lib/mock/f40-build-774002-127559/root/chroot_tmpdir/scmroot/AusweisApp2
Cloning into '/var/lib/mock/f40-build-774002-127559/root/chroot_tmpdir/scmroot/AusweisApp2'...
$ git fetch origin 567eec0588fb2e974697ece1994978ec73eb1511:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/AusweisApp2
 * [new ref]         567eec0588fb2e974697ece1994978ec73eb1511 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 567eec0 Update to 2.0.2