git - how to exclude files from merging

Question

I\'m trying to keep 2 projects of website in one repository. This websites are mainly the same except template (html,css) files and few config files. The main site (which is

Answer 1

Here git-update-index - Register file contents in the working tree to the index.

git update-index --assume-unchanged 

Example:-

git update-index --assume-unchanged somelocation/pom.xml

or

Add file paths in .gitignore