$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-124399-73971/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-124399-73971/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin eea24ea0e5ff201552bba6e359bd91a8c26205a5:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         eea24ea0e5ff201552bba6e359bd91a8c26205a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eea24ea import postgresql-15.12-1.tl4