$ git clone -n https://gitee.com/fundawang/postgresql.git /var/lib/mock/dist-an23-build-262159-63904/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-an23-build-262159-63904/root/chroot_tmpdir/scmroot/postgresql'...
$ git reset --hard 8dee0a0ef0b7e7888ed72ef24f53a73ef42299b7
HEAD is now at 8dee0a0 15.3