[jgit-dev] git add . java implemetns too implementation to understand

[martinwenchao <martinwenchao@xxxxxxx>]

Hi All 

    i am soryy to disturb everyone .  i recently read jgit open source code。  
    but  i ran into difficulties , i could not understand `git add .` implementation 
    treewalk . abstractTreeIterator . 
    can u offer design idea or desgin manuScirpt. 
    thank everyone 

martin