$ git clone -n https://src.fedoraproject.org/rpms/nfsometer.git /var/lib/mock/f41-build-772690-13507/root/chroot_tmpdir/scmroot/nfsometer
Cloning into '/var/lib/mock/f41-build-772690-13507/root/chroot_tmpdir/scmroot/nfsometer'...
$ git fetch origin f26c0cfd5e7b8be87214882c929769a96af9e36b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfsometer
 * [new ref]         f26c0cfd5e7b8be87214882c929769a96af9e36b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f26c0cf Eliminate use of obsolete %patchN syntax (#2283636)