#11813: Stale caches with trac and transparent proxies
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Reporter: vbraun | Owner: mvngu, schilly
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: website/wiki | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by leif):
Replying to [comment:4 vbraun]:
> I see your point about bots, though afaik that would only affect the
sage patch buildbot. I'll cc Robert, maybe he can tell us how his bot
checks freshness.
Robert [also] stores md5sums (or some hash code) of patches, so I assume
he doesn't specifically use HTTP header information, and his bot ''does''
scan the ticket's comments, in contrast to my release tool and AFAIK also
Jeroen's. (The advantage is that you don't have to fetch and parse the --
potentially large or long -- HTML version of a ticket at all; that's btw.
another reason why we want the relevant files, spkgs or patches to be
applied, to be referenced in the ticket's description.)
[[BR]]
> Ordinary users don't download patches from trac on a regular basis,
thats why I don't think there is any bandwidth issue. The problem with the
`~/.wgetrc` bandaid is that you often don't know whether you are behind a
transparent proxy.
Well, humans are more likely to read the comments on a ticket, so they
actually ''see'' that a patch was re-uploaded / modified (though they
perhaps don't look at the file modification times of the downloaded files,
which one IMHO should do).
But the purpose of `~/.wgetrc` in this case would be to ''always'' disable
caching (by default), such that it wouldn't matter whether you're behind a
proxy or not (provided the proxy isn't broken and doesn't refuse to bypass
caching).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11813#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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