git diff coc code example

Example 1: how to see the difference between two files in git

# It compare file with previously commited file.
git diff HEAD <file>

Example 2: make diff git as commit

A simple way to do it is:

create and checkout branch tmp at branch_a (git branch tmp branch_a && git checkout tmp)
git reset --soft branch_b
git commit
that commit must have all the diff