$ git clone -n https://gitee.com/src-opencloudos-rpms/libpq.git /var/lib/mock/dist-oc8-build-233536-81880/root/chroot_tmpdir/scmroot/libpq
Cloning into '/var/lib/mock/dist-oc8-build-233536-81880/root/chroot_tmpdir/scmroot/libpq'...
$ git fetch origin e4ab278f6a2cc608308f4e2560a4e05132854ee3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libpq
 * [new ref]         e4ab278f6a2cc608308f4e2560a4e05132854ee3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ab278 import libpq-13.23-1.tl3