$ git clone -n https://gitee.com/src-opencloudos-rpms/postgresql.git /var/lib/mock/dist-oc9-build-186450-80296/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-oc9-build-186450-80296/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin 57f0598ed25871da7f94d99d8430f89a3753defc:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/postgresql
 * [new ref]         57f0598ed25871da7f94d99d8430f89a3753defc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57f0598 import postgresql-15.14-1.tl4