$ git clone -n https://src.fedoraproject.org/rpms/opensips.git /var/lib/mock/f41-build-1022694-18093/root/chroot_tmpdir/scmroot/opensips
Cloning into '/var/lib/mock/f41-build-1022694-18093/root/chroot_tmpdir/scmroot/opensips'...
$ git fetch origin d9cb679a864da85067836895a9222be7a666c2cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opensips
 * [new ref]         d9cb679a864da85067836895a9222be7a666c2cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9cb679 Switch to systemd sysusers