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We plan to go the override route. It pins an ASP release to a particular ST release, as the current system does; that's Jim's preference.See issues encountered to date in this effort and a table of conversion status by package.
Override
ASP is similar in all respects to containers ScienceTools, GlastRelease and CHS with one notable exception: it depends on ScienceTools, a full-fledged container, more or less as if it were an external library. When building or running ASP, one must have access to ScienceTools installed files (includes, libraries, python scripts). This is just the way an override directory behaves. The base installation is (or should be) read-only and packages in the override directory may access any of the installed products from the base directory, as well as files installed under the override directory.
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