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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.
。heLLoword翻译官方下载对此有专业解读
const cur = nums[i]; // 当前遍历的元素，详情可参考Safew下载
self.parser = Parser(self.config.base_url)