<aside> 💡 推薦下面這篇英文,有詳細原理說明

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Git Detached Head: What This Means and How to Recover

【冷知識】斷頭(detached HEAD)是怎麼一回事? - 為你自己學 Git | 高見龍

淺入 Git:detached HEAD

Git HEAD detached from XXX 解决