関連ワード:  how to undo a commit before push    how to undo a commit before push git    how to cancel a commit before push    how to revert a commit before push    how to remove a commit before push    how to revert a commit before push in git    revert commit before push    how to undo a local commit before push    how to undo commit before push sourcetree    how to undo git commit before push without losing changes