$ git clone -n https://gitee.com/fundawang/xz.git /var/lib/mock/dist-an23-build-233130-62650/root/chroot_tmpdir/scmroot/xz
Cloning into '/var/lib/mock/dist-an23-build-233130-62650/root/chroot_tmpdir/scmroot/xz'...
$ git reset --hard 78b71f3b6bd1a3dabb9dcc955302aab1424d5ff2
HEAD is now at 78b71f3 5.4.2