$ git clone -n https://src.fedoraproject.org/rpms/python-probeinterface.git /var/lib/mock/f42-build-side-1-3586951-46926/root/chroot_tmpdir/scmroot/python-probeinterface
Cloning into '/var/lib/mock/f42-build-side-1-3586951-46926/root/chroot_tmpdir/scmroot/python-probeinterface'...
$ git fetch origin 1bce689bb0e66e7c6bdc07d55d4c5f4a1d664951:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-probeinterface
 * [new ref]         1bce689bb0e66e7c6bdc07d55d4c5f4a1d664951 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bce689 Update to 0.2.28 (close RHBZ#2364054)