$ git clone -n https://src.fedoraproject.org/rpms/python-ibm-vpc.git /var/lib/mock/f39-build-1550419-36937/root/chroot_tmpdir/scmroot/python-ibm-vpc
Cloning into '/var/lib/mock/f39-build-1550419-36937/root/chroot_tmpdir/scmroot/python-ibm-vpc'...
$ git fetch origin f284f11991e3d3d320e5a356db274262033b9e69:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ibm-vpc
 * [new ref]         f284f11991e3d3d320e5a356db274262033b9e69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f284f11 New upstream release