$ git clone -n https://src.fedoraproject.org/rpms/AusweisApp2.git /var/lib/mock/f41-build-852213-166286/root/chroot_tmpdir/scmroot/AusweisApp2
Cloning into '/var/lib/mock/f41-build-852213-166286/root/chroot_tmpdir/scmroot/AusweisApp2'...
$ git fetch origin 61ec27fc56cda308aa541958a65fa138dbc95f4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/AusweisApp2
 * [new ref]         61ec27fc56cda308aa541958a65fa138dbc95f4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61ec27f Update to 2.2.1