$ git clone -n https://gitee.com/src-opencloudos-rpms/libreswan.git /var/lib/mock/dist-oc8-build-75159-52092/root/chroot_tmpdir/scmroot/libreswan
Cloning into '/var/lib/mock/dist-oc8-build-75159-52092/root/chroot_tmpdir/scmroot/libreswan'...
$ git fetch origin 3582eadef5387a555a79239cb946e0ada11214ad:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreswan
 * [new ref]         3582eadef5387a555a79239cb946e0ada11214ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3582ead import libreswan-4.12-2.tl3.3