On Thu, 20 Feb 2014 23:21:37 +0100, Greg Grossmeier <[email protected]> wrote:
<quote name="Bartosz Dz." date="2014-02-20" time="22:32:42 +0100">
It's worth noting that WMF branches also include temporary hacks to
keep current JS/CSS and cached HTML output compatible (for at least 30
days), while release branches never contain them (and thus require
HTML caches to be purged during the upgrade process).
Isn't that:
Feel free to base it off of either. There shouldn't be any WMF-specific
things in those wmfXX branches. If there is, it is a commit called
something like "Commit of various WMF live hacks". That one commit can
be safely reverted.
eg:
https://git.wikimedia.org/commit/mediawiki%2Fcore.git/a868d086b68f05e7f93727dfb992c3f59c0525cf
Nope, I mean different hacks (that people generally don't bother ops/deployers with),
like the ones being removed by https://gerrit.wikimedia.org/r/#/c/61075/ or
https://gerrit.wikimedia.org/r/#/c/72151/ or https://gerrit.wikimedia.org/r/#/c/102492/
or https://gerrit.wikimedia.org/r/#/c/82102/ . They are required because (to simplify)
generated page HTML (which is cached for up to 30 days on our cluster) includes links to
"autoupdating" JS and CSS code. Thus any JS/CSS changes need to be compatible
with older generated HTML.
--
Matma Rex
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