$ git clone -n https://gitee.com/mgb01105731/libreswan_2.git /var/lib/mock/dist-an23.3-build-421489-72906/root/chroot_tmpdir/scmroot/libreswan_2
Cloning into '/var/lib/mock/dist-an23.3-build-421489-72906/root/chroot_tmpdir/scmroot/libreswan_2'...
$ git fetch origin 15c98b8fb01994bcfdc2a20416b49734fbf9a553:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libreswan_2
 * [new ref]         15c98b8fb01994bcfdc2a20416b49734fbf9a553 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15c98b8 Update to 5.1 from 4.12