$ git clone -n https://gitee.com/src-opencloudos-rpms/libreswan.git /var/lib/mock/dist-oc9-build-250193-83964/root/chroot_tmpdir/scmroot/libreswan
Cloning into '/var/lib/mock/dist-oc9-build-250193-83964/root/chroot_tmpdir/scmroot/libreswan'...
$ git fetch origin 9dd26924168c32ce520217ebd9ece8d1818efe0a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libreswan
 * [new ref]         9dd26924168c32ce520217ebd9ece8d1818efe0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dd2692 import libreswan-4.15-6.tl4