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authorDavid Kalnischkies <david@kalnischkies.de>2015-05-13 16:09:12 +0200
committerDavid Kalnischkies <david@kalnischkies.de>2015-05-13 16:09:12 +0200
commit8eafc759544298211cd0bfaa3919afc0fadd47d1 (patch)
treee1a6e74d6d1abdc177316b9422aae3723f727732 /buildlib/fail.mak
parent495b7a615a2d8f485beadf88c6ed298f5bbe50c2 (diff)
detect Releasefile IMS hits even if the server doesn't
Not all servers we are talking to support If-Modified-Since and some are not even sending Last-Modified for us, so in an effort to detect such hits we run a hashsum check on the 'old' compared to the 'new' file, we got the hashes for the 'new' already for "free" from the methods anyway and hence just need to calculated the old ones. This allows us to detect hits even with unsupported servers, which in turn means we benefit from all the new hit behavior also here.
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