Meaning: GIT - old mode 100755 new mode 100644
These changes mean that metadata about your file changed, however the content of your file did not. In order to ignore these changes, please run one of the the following sets of commands.
git config --unset core.filemode
git config --global core.filemode falsecode type:
Taken from:
https://cyberhelp.sesync.org/faq/why-does-git-show-that-all-my-files-changed-even-though-i-didn't-change-them.html