$ git clone -n https://gitee.com/src-opencloudos-rpms/libpq.git /var/lib/mock/dist-oc8-build-242438-82976/root/chroot_tmpdir/scmroot/libpq
Cloning into '/var/lib/mock/dist-oc8-build-242438-82976/root/chroot_tmpdir/scmroot/libpq'...
$ git fetch origin e871cbf34e4c127b52798ce84ce650f06718b2dc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libpq
 * [new ref]         e871cbf34e4c127b52798ce84ce650f06718b2dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e871cbf import libpq-13.23-2.tl3