how to merge master changes into branch code example

Example 1: merge master with main

git checkout master
git pull origin master
git merge test
git push origin master

Example 2: git merge master into branch

# 2. merge feature branch to origin/master branch
$ git checkout master
$ git pull origin/master

$ git merge feature
$ git push origin/master

Example 3: merge master into local branch

git checkout feature1
git merge master