$ git clone -n https://src.fedoraproject.org/rpms/kiwi.git /var/lib/mock/f43-build-59023111-6570369/root/chroot_tmpdir/scmroot/kiwi
Cloning into '/var/lib/mock/f43-build-59023111-6570369/root/chroot_tmpdir/scmroot/kiwi'...
$ git fetch origin 1ae0de4f70c2b8eda42bb7c6ba5ab3f564e9ea44:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kiwi
 * [new ref]         1ae0de4f70c2b8eda42bb7c6ba5ab3f564e9ea44 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ae0de4 Update to 10.2.17