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gitオブジェクトのSHA-1コード計算(方法2)

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「gitオブジェクトのSHA-1コード計算」よりもっと簡単なやり方を見つけました。
1.オブジェクトのコンテンツを確認


$git cat-file blob ce01
hello

2.オブジェクトのコンテンツをblob-cat.txtに保存、ファイルサイズは6バイトと確認


$git cat-file blob ce01 > blob-cat.txt

3.ファイルの先頭に「blob 6\0」を追加して、blob-obj.txtに保存
4.SHA-1コードを確認


$cat blob-obj.txt | openssl sha1
ce013625030ba8dba906f756967f9e9ca394464a

他のタイプのオブジェクトも同じように確認できます。

参考資料:Git objects v2

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