$ git clone -n https://gitee.com/zhaohang_mskdxl/postgresql.git /var/lib/mock/dist-an8.6-build-152500-57916/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-an8.6-build-152500-57916/root/chroot_tmpdir/scmroot/postgresql'...
$ git reset --hard af4051672fa6790d8f2b6db405d9e1ee49ea5550
HEAD is now at af40516 update to 8.7.0