$ git clone -n https://src.fedoraproject.org/rpms/libvirt-cim.git /var/lib/mock/f41-build-1220748-22750/root/chroot_tmpdir/scmroot/libvirt-cim
Cloning into '/var/lib/mock/f41-build-1220748-22750/root/chroot_tmpdir/scmroot/libvirt-cim'...
$ git fetch origin 3fea1a5856aa910c296071e077d033757033d4e7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-cim
 * [new ref]         3fea1a5856aa910c296071e077d033757033d4e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fea1a5 Eliminate use of obsolete %patchN syntax (#2283636)