$ git clone -n https://src.fedoraproject.org/rpms/sendxmpp.git /var/lib/mock/f41-build-1049370-19179/root/chroot_tmpdir/scmroot/sendxmpp
Cloning into '/var/lib/mock/f41-build-1049370-19179/root/chroot_tmpdir/scmroot/sendxmpp'...
$ git fetch origin 05d52a754f821a78a611f468f56bbeb1f7d8ba2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sendxmpp
 * [new ref]         05d52a754f821a78a611f468f56bbeb1f7d8ba2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05d52a7 Eliminate use of obsolete %patchN syntax (#2283636)