$ git clone -n https://gitee.com/fundawang/postgresql.git /var/lib/mock/dist-an23-build-254174-63549/root/chroot_tmpdir/scmroot/postgresql
Cloning into '/var/lib/mock/dist-an23-build-254174-63549/root/chroot_tmpdir/scmroot/postgresql'...
$ git reset --hard 6b3c6edffad042e44a0e887f6d01822b5fb84750
HEAD is now at 6b3c6ed Rebuild for new llvm