$ git clone -n https://gitee.com/fundawang/postgresql.git /var/lib/mock/dist-an23-build-262086-63899/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-an23-build-262086-63899/root/chroot_tmpdir/scmroot/postgresql'...
$ git reset --hard 728734a74447769313c6f00b7ac9679963f5aa47
HEAD is now at 728734a 15.3