$ git clone -n https://gitee.com/lliuzhi/lightdm.git /var/lib/mock/dist-an23-dde-build-356132-71020/root/chroot_tmpdir/scmroot/lightdm
Cloning into '/var/lib/mock/dist-an23-dde-build-356132-71020/root/chroot_tmpdir/scmroot/lightdm'...
$ git reset --hard 1d4f85e8bf6bfa52ca7b85eac34589b919c14d5c
HEAD is now at 1d4f85e modify post