An object’s OID is computed the same way git does it, SHA1(" \0"), using pgcrypto’s digest() function, and refs get compare-and-swap updates through SELECT FOR UPDATE. A libgit2 backend registers these tables as its storage layer, and if the protocol really is separable from the format, a normal git client should be able to push to and clone from a Postgres database without knowing the difference.
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，这一点在爱思助手下载最新版本中也有详细论述
You don't have permission to access the page you requested.，更多细节参见搜狗输入法下载
FT Digital Edition: our digitised print edition。51吃瓜对此有专业解读