$ git clone -n https://src.fedoraproject.org/rpms/opensips.git /var/lib/mock/f41-build-816649-150311/root/chroot_tmpdir/scmroot/opensips
Cloning into '/var/lib/mock/f41-build-816649-150311/root/chroot_tmpdir/scmroot/opensips'...
$ git fetch origin 58a078a4707d6bcdf60a90b8d6cc3fdd002d1272:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opensips
 * [new ref]         58a078a4707d6bcdf60a90b8d6cc3fdd002d1272 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58a078a Perl 5.40 rebuild