$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-123057-72691/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-123057-72691/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin 77b75fa2cfe3f8241d3b97f2a4e8f65ed47bf324:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         77b75fa2cfe3f8241d3b97f2a4e8f65ed47bf324 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77b75fa import postgresql-15.9-2.tl4