$ git clone -n https://src.fedoraproject.org/rpms/kjumpingcube.git /var/lib/mock/f40-build-2399464-60549/root/chroot_tmpdir/scmroot/kjumpingcube
Cloning into '/var/lib/mock/f40-build-2399464-60549/root/chroot_tmpdir/scmroot/kjumpingcube'...
$ git fetch origin 01322ef7f314bd8c61abf86d5722f6facea09ea2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kjumpingcube
 * [new ref]         01322ef7f314bd8c61abf86d5722f6facea09ea2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01322ef 24.01.95