$ git clone -n https://src.fedoraproject.org/rpms/telnet.git /var/lib/mock/f41-build-1041922-18994/root/chroot_tmpdir/scmroot/telnet
Cloning into '/var/lib/mock/f41-build-1041922-18994/root/chroot_tmpdir/scmroot/telnet'...
$ git fetch origin f9aa3ee9d3381302d6238b331564690e50382df6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/telnet
 * [new ref]         f9aa3ee9d3381302d6238b331564690e50382df6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9aa3ee Eliminate use of obsolete %patchN syntax (#2283636)