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Re: [p2-dev] P2 and Presence of site.xml
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IMHO, searching site.xml BEFORE artifacts.xml/.jar & content.xml/.jar is
a bug, not a feature.
If it knows there's a site.xml at example.com, but the next time it
checks the site.xml is gone, will it then check for artifacts & content?
Or just give up?
If the end user hits 'Help > install new software > available software
sites > test connection' for the site, would that force p2 to check in
newest-format-then-oldest-format order?
N
Ian Bull wrote:
Nick is almost right, but there is one small gotcha to watch out for.
p2 loops through the different types of sites, in order (not sure
exactly what that order is), but it gives precedence to previous
repository types it has seen.
So if it has seen a site.xml at http://example.com before, then it will try
http://example.com/site.xml first. If this fails, then it will move on.
cheers,
ian
On Mon, Jul 13, 2009 at 6:58 PM, Nick Boldt <nickboldt@xxxxxxxxx
<mailto:nickboldt@xxxxxxxxx>> wrote:
Simply, if artifacts.{xml|jar} and content.{xml|jar} is found at the
URL, site.xml is ignored.
So you can have an Eclipse 3.4+ site in the same location as an
Eclipse 3.3- site, and control who sees what by virtue of the
version of Eclipse looking at the site.
To force an Eclipse 3.4+ user to see the 3.3- site, suffix the URL
w/ site.xml and they'll get that instead of artifacts and content
(.xml or .jar).
Mark Melvin wrote:
Hi There,
We are going to have to start thinking about our corporate
update site
soon and I just realized that we are going to have old, non-P2
installs
out there pointing to the same update URL as our new, P2-based
product
and I'm wondering what the side-effects are going to be for our
P2-based
product. I seem to recall reading somewhere that P2 does "different
stuff" based on whether or not a site.xml is present. In
particular, I
think what I read was something about how categories are shown
in the
UI. I was wondering first of all, if this was true and second,
if there
are other bits of behaviour that will be different if P2 detects a
site.xml.
Also, is it possible to have a P2 repository located at the same
URL as
a legacy update site (containing a site.xml) where the P2 repositor
describes a completely different set of features and plugins as
the old
site-xml-based update site? Or is the presence of a site.xml
going to
make P2 simply use it and ignore any P2 repository that may be
there.
I'm asking because it may be too late to change our URL in the
new P2
product, and I'll need to figure out a solution (perhaps moving
the old
site.xml-based update site and forcing legacy users to manually
enter a
policy file URL or something).
Thanks,
Mark.
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Nick Boldt :: http://nick.divbyzero.com
Release Engineer :: Eclipse Modeling & Dash Athena
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R. Ian Bull | EclipseSource Victoria | +1 250 477 7484
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Release Engineer :: Eclipse Modeling & Dash Athena