$ git clone -n https://gitee.com/src-opencloudos-rpms/libreswan.git /var/lib/mock/dist-oc8-build-245682-83344/root/chroot_tmpdir/scmroot/libreswan
Cloning into '/var/lib/mock/dist-oc8-build-245682-83344/root/chroot_tmpdir/scmroot/libreswan'...
$ git fetch origin f080507c1e10f329e70953ef67de0d715c6b38af:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreswan
 * [new ref]         f080507c1e10f329e70953ef67de0d715c6b38af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f080507 import libreswan-4.12-2.tl3.6