$ git clone -n https://gitee.com/opencloudos-stream/postgresql.git /var/lib/mock/dist-rebuild-after-rpm-check-build-117777-8278/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-rebuild-after-rpm-check-build-117777-8278/root/chroot_tmpdir/scmroot/postgresql'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/postgresql
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af041b5 !5 Upgrade to version 15.5 Merge pull request !5 from gordonwwang/master