関連ワード:  how to undo changes in git branch    how to revert changes in git branch    how to discard changes in git branch    how to undo changes in git local branch    how to undo all changes in git branch    how to discard changes in git local branch    how to revert all changes in git branch    how to revert changes in git remote branch    how to discard all changes in git branch    how to revert changes in git main branch