Git | 오류

hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

add 후 commit 하고 push 할 때 이런 오류가 날 경우

git push -f origin master

깔끔하게 해결!!