$ git clone -n https://gitee.com/fundawang/mesa-demos.git /var/lib/mock/dist-an23-build-238925-62895/root/chroot_tmpdir/scmroot/mesa-demos
Cloning into '/var/lib/mock/dist-an23-build-238925-62895/root/chroot_tmpdir/scmroot/mesa-demos'...
$ git reset --hard 45a5f42e1764f4273315b8646bf4ecdf9c5472c8
HEAD is now at 45a5f42 update br