$ git clone -n https://gitee.com/mgb01105731/mesa_1.git /var/lib/mock/dist-an23-build-137890-50611/root/chroot_tmpdir/scmroot/mesa_1
Cloning into '/var/lib/mock/dist-an23-build-137890-50611/root/chroot_tmpdir/scmroot/mesa_1'...
$ git reset --hard origin/a23
HEAD is now at f69cb87  optimise spec file