$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql-jdbc.git /var/lib/mock/dist-oc9-build-80743-53859/root/chroot_tmpdir/scmroot/postgresql-jdbc
Cloning into '/var/lib/mock/dist-oc9-build-80743-53859/root/chroot_tmpdir/scmroot/postgresql-jdbc'...
$ git fetch origin 13119416d6855632f69872523232a95f29bbc34b:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql-jdbc
 * [new ref]         13119416d6855632f69872523232a95f29bbc34b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1311941 import postgresql-jdbc-42.5.6-1.tl4