$ git clone -n https://gitee.com/sys0613/libunwind.git /var/lib/mock/dist-an23-build-248754-63298/root/chroot_tmpdir/scmroot/libunwind
Cloning into '/var/lib/mock/dist-an23-build-248754-63298/root/chroot_tmpdir/scmroot/libunwind'...
$ git reset --hard df8907402e96c55542cfceb628de9d19c1fd59ed
HEAD is now at df89074 enable self-tests while building