git how to keep your local branch sync with remote master branch code example

Example 1: git sync local branch with remote

git fetch --prune origin
git reset --hard origin/master
git clean -f -d

Example 2: git sync branch from master

git checkout test-branch 	//Checkout the branch you want to update
git merge master			//Merge all code from master to test-branch

// When your are done with test-branch you can merge all code into master branch
git checkout master 		// Make sure you are on master branch
git merge test-branch