$ git clone -n https://src.fedoraproject.org/rpms/libsurvive.git /var/lib/mock/f41-build-858080-168307/root/chroot_tmpdir/scmroot/libsurvive
Cloning into '/var/lib/mock/f41-build-858080-168307/root/chroot_tmpdir/scmroot/libsurvive'...
$ git fetch origin e567958f2eda924993c3336f5f991fff9a3f54a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsurvive
 * [new ref]         e567958f2eda924993c3336f5f991fff9a3f54a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e567958 Add missing changes from the review