関連ワード:  how to undo a git commit    how to undo a git commit before push    how to undo a git commit amend    how to undo a git commit after push    how to undo a git commit locally    how to undo a git commit that was not pushed    how to undo a git commit but keep changes    how to undo a git commit and push    how to undo a git commit that has been pushed    how to undo a git commit command