how to merge with main code example
Example 1: how to merge git branch to master
git checkout master
git pull origin master
git merge test
git push origin master
Example 2: merge branch to master
$ git checkout master
$ git branch new-branch
$ git checkout new-branch
# ...develop some code...
$ git add –A
$ git commit –m "Some commit message"
$ git checkout master
$ git merge new-branch