Todd Gamblin c36d9f297f bugfix: mirror path works for unknown versions (#13626) ... `mirror_archive_path` was failing to account for the case where the fetched version isn't known to Spack. - [x] don't require the fetched version to be in `Package.versions` - [x] add regression test for mirror paths when package does not have a version		2019-12-01 20:23:06 -08:00
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spack	bugfix: mirror path works for unknown versions (#13626)	2019-12-01 20:23:06 -08:00