Compare

git diff myfile

Compare without caring about spaces: git diff -b 6eb715d..HEAD or: git diff --ignore-space-change 6eb715d..HEAD

Compare without caring about all spaces: git diff -w 6eb715d..HEAD or: git diff --ignore-all-space 6eb715d..HEAD git log --oneline myfile git log -p myfile

Compare branches

1. git checkout <branch_name> // go to the branch you want to check difference
2. git diff origin/<branch_name> // now you can check difference

git diff master..branchname
git diff <local branch> <remote>/<remote branch>
git diff master origin/master 
git diff featureA origin/next
git diff origin   //  if you just compare with your upstream branch.