Re: [jbosstools-dev] BuildContext in M2E Builders
Hey Fred,
Thanks for the response.
----- Original Message -----
m2e's incremental buildcontext is backed by an IResourceDelta
which
references all files modified by a user, during an incremental build.
All files generated *during* the build, by build participants, mojo,
whatever, are not part of that initial delta.
I'm not sure it's possible to track all resources modified during the
build. Basically, all maven plugins would need to implement the
incremental build API for once, and all of them would need to tell the
build context what has changed, including for example all the compiled
classes. This would probably even require changes to the buildcontext
api.
I think this may be a problem with the build context. Compiled classes are available, but
I suspect this is because the compiler refreshes its output (or uses Eclipse resources)
without using BuildContext. My particular problem seems to be related to the WTP
resources build participant.
I suggest you bring the discussion over to m2e-dev list, as I think
it's an interesting challenge.
Sure. Based on the above, I think I'll create a BZ for this issue as I think it will
cause differences between Eclipse m2e and command line Maven builds.
Try to ping me on IRC, see if we can find a workaround for your
specific use case.
Fred
Le jeudi 3 octobre 2013 02:52:03, Rob Cernich a écrit :
> Hey all,
>
> I've been deep in the SwitchYard M2E build participant recently trying to
> figure out why we're ending up with stale markers in the workspace. One
> thing I've found is that items refreshed by the resources mojo don't show
> up until they are refreshed by the m2e builder, which happens after all
> the build participants have executed (i.e. refreshes the files passed to
> BuildContext.refresh()). This is problematic for me because I'm using
> scanners created off the context to check for changed files and am missing
> changes to resource files that have been copied to target/classes. My
> plugin is executing in the process-classes phase, so I would expect the
> updated resources to be available.
>
> I'm not a Maven expert, but it seems to me that if I'm scanning for changed
> files, I should be able to see _all_ the files that have changed,
> including those changed as a result of previous executions in the same
> context. I would consider the current behavior a bug in the Eclipse
> BuildContext, but I'm not sure how it's supposed to work to begin with.
> If any of you m2e experts could chime in with your thoughts, that would
> be much appreciated.
>
> Thanks in advance,
> Rob
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