$ git clone -n https://src.fedoraproject.org/rpms/kjumpingcube.git /var/lib/mock/eln-build-side-114545-60916237-6585736/root/chroot_tmpdir/scmroot/kjumpingcube
Cloning into '/var/lib/mock/eln-build-side-114545-60916237-6585736/root/chroot_tmpdir/scmroot/kjumpingcube'...
$ git fetch origin ce74d8073a19a445addb02c95a42fea05d1a34d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kjumpingcube
 * [new ref]         ce74d8073a19a445addb02c95a42fea05d1a34d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce74d80 25.04.3