I am relatively new to git. Our organization uses a Fork & Pull Model for managing changes to the master branch. Each developer forks the master and branches from their fork
Let's say you are currently working on branch feature/feature_a and you want to merge the changes made in another branch called feature/feature_b to feature/feature_a. The following commands should do the trick:
git checkout feature/feature_b
git pull
git checkout feature/feature_a
git merge feature/feature_b