$ git clone -n https://gitee.com/src-opencloudos-rpms/libreswan.git /var/lib/mock/dist-oc8-build-73351-48827/root/chroot_tmpdir/scmroot/libreswan
Cloning into '/var/lib/mock/dist-oc8-build-73351-48827/root/chroot_tmpdir/scmroot/libreswan'...
$ git fetch origin 3fcbd0e59faa5cc16bb94192bc5d6a054bf18a9c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreswan
 * [new ref]         3fcbd0e59faa5cc16bb94192bc5d6a054bf18a9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fcbd0e import libreswan-4.12-2.tl3.2