関連ワード:  how to undo a merge commit in github    how to revert a merge commit in github    how to undo a merge commit in git    how to revert a merge commit in git    how to revert a merge commit in git after push    how to remove a merge commit in git    how to revert merge commit in github desktop    how to undo last merge commit in git    how to revert a pushed merge commit in git    how to revert a specific merge commit in git