$ git clone -n https://gitee.com/fundawang/diffutils.git /var/lib/mock/dist-an23-build-199183-60958/root/chroot_tmpdir/scmroot/diffutils
Cloning into '/var/lib/mock/dist-an23-build-199183-60958/root/chroot_tmpdir/scmroot/diffutils'...
$ git reset --hard ad2014ad20cd3b10d1e91daa27df9269b23373a5
HEAD is now at ad2014a 3.9