How do I see the commit differences between branches in git?

Question

I\'m on branch-X and have added a couple more commits on top of it. I want to see all the differences between MASTER and the branch that I am on in terms of commits. I could

Answer 1

#! /bin/bash
if ((2==$#)); then
  a=$1
  b=$2
  alog=$(echo $a | tr '/' '-').log
  blog=$(echo $b | tr '/' '-').log
  git log --oneline $a > $alog
  git log --oneline $b > $blog
  diff $alog $blog
fi

Contributing this because it allows a and b logs to be diff'ed visually, side by side, if you have a visual diff tool. Replace diff command at end with command to start visual diff tool.