(진행배경) 로컬 브랜치에 있는 내용을 원격 브랜치로 commit 후 push 하려고 하자 다음과 같은 에러가 나타났다. $ git push origin main To https://github.com/user/documents ! [rejected] main -> main (non-fast-forward) error: failed to push some refs to 'https://github.com/user/documents.git' hint: Updates were rejected because the tip of your current branch is behind hint: its remote counterpart. Integrate the remote changes (e.g. hint: 'g..