$ git clone -n https://src.fedoraproject.org/rpms/ifstat.git /var/lib/mock/f41-build-785946-13590/root/chroot_tmpdir/scmroot/ifstat
Cloning into '/var/lib/mock/f41-build-785946-13590/root/chroot_tmpdir/scmroot/ifstat'...
$ git fetch origin 68500645ad388b0a9b15032ea4d17f7ee55c5ac4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ifstat
 * [new ref]         68500645ad388b0a9b15032ea4d17f7ee55c5ac4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6850064 Eliminate use of obsolete %patchN syntax (#2283636)