git: git diff “old mode 100755 new mode 100644”

http://blog.csdn.net/razy_monkey/article/details/53188145

If this is common and the filemodes are not important for this project we can simply tell Git to ignore this.

Default

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1. git config core.filemode false  

Only for this project edit .git/config

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1. [Core]  
2. filemode = false  

And in case we do need to check in single filemode changes the following works

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1. git update-index --chmod=(+|-)x path/to/file