Your branch is ahead of 'origin/practice/4-6' by 1 commit.

PS D:\personal\supercoding-workspace-react-2\react-fundamental-all\react-fundamental> git 
status
On branch practice/4-6
Your branch is ahead of 'origin/practice/4-6' by 1 commit.
  (use "git push" to publish your local commits)

nothing to commit, working tree clean
PS D:\personal\supercoding-workspace-react-2\react-fundamental-all\react-fundamental> 

 

git status를 눌렀더니. 

Your branch is ahead of 'origin/practice/4-6' by 1 commit.

 

스택오버플로우에서 설명해준 거 
You get that message because you made changes in your local master and you didn't push them to remote. 

그냥 git push 하면 해결