caching - how does Git internally handle git push where no outstanding commits -


how git internally handle git push case local branch up-to-date remote , i.e. no outstanding commits ?

does git retrieve latest state remote origin determine "everything up-to-date" --or-- git rely on local cache of remote origin ?

git push check ref remote server (via similar git ls-remote , hashes there. if hashes same 1 branch has doesn't need else , display message.


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