Radek's Tech Blog » fragment provisioning http://urbas.tk Radoslaw H. Urbas homepage / blog Tue, 01 Jun 2010 20:31:19 +0000 en hourly 1 http://wordpress.org/?v=3.0 p2 and fragments http://urbas.tk/index.php/2009/05/18/p2-and-fragments/ http://urbas.tk/index.php/2009/05/18/p2-and-fragments/#comments Mon, 18 May 2009 20:58:30 +0000 Radoslaw Urbas http://urbas.tk/?p=110 Recently I’m getting a bit confused about p2. There is an update site created with PDE headless build. There are IUs generated for each plug-in/fragment/feature. Everything looks great so far.

Let’s assume: plug-in A and fragment B with a defined host plug-in A are sitting together on single update site. Plug-in A in reality cannot run without appropriate version of fragment B (e.g. situation similar to SWT).

My understanding of p2-power was that I wouldn’t need to create separate feature C aggregating A and B just to make fragment B be automatically installed when I request installation of plug-in A.

I spent some time on reviewing Eclipse Bugzilla and mailing lists. Interesting findings:

http://wiki.eclipse.org/Equinox_p2_Meeting_2007#Fragments_optional_vs._requirement

https://bugs.eclipse.org/bugs/show_bug.cgi?id=256430

Any suggestions about handling such “required” fragment scenario without getting rid of autogenerated p2 repository and hand crafting p2 metadata?

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