$ git clone -n https://gitee.com/renping000/mesa-demos.git /var/lib/mock/dist-an7_9-updates-build-151861-52034/root/chroot_tmpdir/scmroot/mesa-demos
Cloning into '/var/lib/mock/dist-an7_9-updates-build-151861-52034/root/chroot_tmpdir/scmroot/mesa-demos'...
$ git reset --hard 4a7c23be40cddc10904913b58330136aa17335cc
HEAD is now at 4a7c23b optimise spec file