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We'd like to provide an ant script that will be called on a full build action. This script will generate a file (jdtCompilerAdapter.jar). Therefore that file needs to be set as derived (generated by a builder). The new external tools builder allows to call an ant script easily. In the same way, the refresh task is available, I think it makes sense to have a custom ant task to set the derived bit on a file. This is fairly important to fix the bug 30227.
What is happening with this one. Is it planned for a next release? It would indeed be very usefull when you have a ant script that generate source code.
Marking old enhancement requests that we don't intend to fix in the near future as RESOLVED LATER. This does not mean we will never do them, but it means we have no specific plans to address them.
I would also like to see this implemented, as it would be useful to have a way to automatically signify the fact that certain directories are built by external builders. In our projects the "build" and "publish" directories are built by ant and should be marked as derived so their contents don't show up in searches. It's a pretty soul-crushing task to mark the "build" and "publish" folders of 135 projects as derived, as there's no programmatic way of doing so. Combined with Eclipse forgetting the derived bit randomly and the inability to share it with others, it's not something that you particularly want to spend your time doing. It would be ideal if there was either an external way to mark folders as derived, or if the derived bit could be committed to version control so it only has to be done once (bug 150578).
RESOLVED LATER is deprecated.
Created attachment 182412 [details] Patch v.0.1