$ git clone -n https://gitee.com/src-opencloudos-rpms/libreswan /var/lib/mock/dist-oc8-build-56931-15178/root/chroot_tmpdir/scmroot/libreswan
Cloning into '/var/lib/mock/dist-oc8-build-56931-15178/root/chroot_tmpdir/scmroot/libreswan'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreswan
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca9841f import libreswan-4.9-3.tl3