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Re: [tycho-user] patching eclipse jars
If I understand you, you want to replace a plugin in eclipse with a custom built one, to fix a bug. You need a feature patch for this. Once you know what that is, you can go and find out how to build one with tycho. You said you did this before but without tycho, what build system did you use before? 

On Apr 18, 2018 4:25 PM, "Johan Compagner" <jcompagner@xxxxxxxxxx> wrote:
so it is that featureToPatch entry i guess

But what to do in tycho for that is not really clear to me if i look at the sample that bug has:


What should i create locally? I now just have the plugin
Should i also create the exact same feature? 


On 18 April 2018 at 16:04, Felix Dorner <felix.dorner@xxxxxxxxx> wrote:

On Wed, Apr 18, 2018, 15:50 Johan Compagner <jcompagner@xxxxxxxxxx> wrote:
Hi,

previously when we used the "target" dir that has an eclipse installation i could just patch some eclipse jars to get some bugs out from then and build a product against that target dir.

How to do that with tycho?

I have now 2 examples, 1 is the  "org.eclipse.help.ui" plugin
That just doesn't really work like it should according to me

i patched the source code in a few places and rebuild the plugin
But the problem is how to let tycho know that it has to use that plugin?

that help.ui is a bit special.. 
because that implements the "org.eclipse.ui.helpSupport" extension point but there can be only one of them
the doc says of AbstractHelpUI:

 * Note that the standard implementation of the help system UI is provided by
 * the <code>"org.eclipse.help.ui"</code> plug-in. Since the platform can only
 * make use of a single help system UI implementation, make sure that the
 * platform is not configured with more than one plug-in trying to extend this
 * extension point.

yeah right.. how to do that then?
Because i want of course the rest of the help, i only want to provide a better impl of the HelpUI

Problem is that i can't give that patched plugin a slightly different version.
Because then the whole eclipse.help.feature doesn't work (if my feature would include that bumbed version)

Is there somehow a tycho property where i can say get this plugin always from there?
(or that my local plugins are alway overwriting the once that come from p2 repositories)?


The other example is this bug:


i also kind of want to patch that myself, because no i have to wait for an 4.8 release to have that fixed...
But i encounter then the same problem.. how to force tycho to use that patched version and not the one from the p2 repo.



--
Johan Compagner
Servoy
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_______________________________________________
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To change your delivery options, retrieve your password, or unsubscribe from this list, visit
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--
Johan Compagner
Servoy
_______________________________________________
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