$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-175407-79916/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-175407-79916/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin ba456eea8bd5f25749105dc2f73735f3c3eebab2:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         ba456eea8bd5f25749105dc2f73735f3c3eebab2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba456ee import postgresql-15.13-2.tl4