| Re: [tycho-user] Older Versions of project required although deleted from .m2/repository cache |
| Choose whichever flag you like. Setting `maven.repo.local` to a new scratch location causes *everything* to be re-downloaded and is best paired with Nexus (there's also a docker image with Nexus 2) or some Maven repository manager that will cache Central. You may discover you were using snapshot or non-canonical versions that were cached or installed in your local ~/.m2/repository. (`maven.repo.local` is $HOME/.m2/repository by default.) Setting `tycho.localArtifacts` instructs Tycho to ignore any artifacts that are being built (e.g., are in your source tree) that are found in your `maven.repo.local`. Whenever you do a `mvn install`, all built artifacts are installed into your `maven.repo.local`. So setting `tycho.localArtifacts` effectively provides a subset of the behaviour of setting `maven.repo.local` to a scratch location. I usually put `tycho.localArtifacts=ignore` in a CI or releng profile. You don't want this setting by default as it's useful for rapidly iterating on changes to particular bundles without having to rebuild your entire project each time. That is:
In the above, the my.troublesome.bundle will resolve its dependencies against the versions installed your local repository via the `mvn install`. With `tycho.localArtifacts=ignore`, however, none of those local copies will be used. Hope that helps. Brian.
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