git - Efficient mothod to compare two folders under version control -

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there 2 folders , b 2 working spaces of version controlled source codes (i.e. git or svn), , have same repo version or close version. there lots of files in working space , take long time compare 2 folder directly using kdiff3 or etc software.

it easy generate changed file list of folder , b using git status. can kdiff3 or similar software compare files in list speed comparison process? or there other quick method speed comparison between , b, or keep them synchronized.

just use regular diff , if necessary --exclude=.git/


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