git pull the master branch code example
Example 1: git pull master into branch
git checkout <branch-name> # gets you on <branch-name>
git fetch origin # gets you up to date with origin
git merge origin/master # pull master into <branch-name>
Example 2: pull master into branch
git checkout dmgr2 # gets you "on branch dmgr2"
git fetch origin # gets you up to date with origin
git merge origin/master