$ git clone -n https://gitee.com/fundawang/mesa-demos.git /var/lib/mock/dist-an23-build-238931-62895/root/chroot_tmpdir/scmroot/mesa-demos
Cloning into '/var/lib/mock/dist-an23-build-238931-62895/root/chroot_tmpdir/scmroot/mesa-demos'...
$ git reset --hard d79934775c876966767679deb0cc473ff18dc3b3
HEAD is now at d799347 update br