git diff between remote and local repo

Question

Trying to diff my local file with a GitHub repo before I submit a pull request so I can see what will show up, is there an accurate way of doing this? I assume

Answer 1

Don't do a pull :

• do a fetch (the syntax is the same as git pull, but it doesn't automatically merge)
• do a diff between your dest branch and the other branch
• then do a merge if you want