Todd Gamblin a2b4146e10 Fixes for various hash issues (#2626) ... * Better output for disambiguate_specs() * Fix wrong exception name. * Fix satsifies(): concrete specs require matching by hash. - Fixes uninstall by hash and other places where we need to match a specific spec. - Fix an error in provider_index (satisfies() call was backwards) - Fix an error in satisfies_dependencies(): checks were too shallow. * Fix default args in Spec.tree() * Move installed_dependents() to DB to avoid unknown package error. * Make `spack find` and `sapck.store.db.query()` faster for hashes. * Add a test to ensure satisfies() respects concrete Specs' hashes.		2016-12-19 09:09:53 -08:00
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spack	Fixes for various hash issues (#2626)	2016-12-19 09:09:53 -08:00