$ git clone -n https://gitee.com/mgb01105731/libreswan_2.git /var/lib/mock/dist-an23.2-build-416838-72829/root/chroot_tmpdir/scmroot/libreswan_2
Cloning into '/var/lib/mock/dist-an23.2-build-416838-72829/root/chroot_tmpdir/scmroot/libreswan_2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libreswan_2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22dba04 Refer to CentOS Stream libreswan-5.1-1(dueno@redhat.com)