snappy_boot=

if test "${snappy_mode}" = "try";  then 
     * if test "${snappy_trial_boot}" = "1"; then
       *  if test "${snappy_ab}" = "a"; then
         *  setenv snappy_ab "b"; 
           * else 
             * setenv snappy_ab "a"; 
               * fi; 
               * else 
               * setenv snappy_trial_boot "1"; 
               * saveenv; 
               * fi; 
fi; 
run loadfiles; 
setenv mmcroot "/dev/disk/by-label/system-${snappy_ab} ${snappy_cmdline}"; 
run setup; 
run mmcargs; 
bootm ${kernel_addr}