$ git clone -n https://gitee.com/mgb01105731/mesa-demos_1.git /var/lib/mock/dist-an23-build-146486-57727/root/chroot_tmpdir/scmroot/mesa-demos_1
Cloning into '/var/lib/mock/dist-an23-build-146486-57727/root/chroot_tmpdir/scmroot/mesa-demos_1'...
$ git reset --hard origin/a23
HEAD is now at 99b9a2f optimise spec file