Massimiliano Culpo fab2622a71 Hashing: force hash consistency for values read from config (#18446) ... The 'external_modules' attribute on a Spec, when read from a YAML configuration file, may contain extra formatting that is lost when that Spec is written-to/read-from JSON format. This was resulting in a hashing instability (when the Spec was read back, it would report a different hash). This commit adds a function which removes the extra formatting from 'external_modules' as it is passed to the Spec in __init__ to ensure a consistent hash.		2020-09-03 10:49:36 -07:00
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spack	Hashing: force hash consistency for values read from config (#18446)	2020-09-03 10:49:36 -07:00