$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-210810-80645/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-210810-80645/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin 37a3bd9486ad41d429482e01be32b149bd76dbca:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         37a3bd9486ad41d429482e01be32b149bd76dbca -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37a3bd9 import postgresql-15.14-2.tl4