Peter Scheibel 697719c181 Only use stable versions for public mirror (#15100) ... * add --skip-unstable-versions option to 'spack mirror create' which skips sources/resource for packages if their version is not stable (i.e. if they are the head of a git branch rather than a fixed commit) * '--skip-unstable-versions' should skip all VCS sources/resources, not just those which are not cachable		2020-03-07 13:38:08 +01:00
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spack	Only use stable versions for public mirror (#15100)	2020-03-07 13:38:08 +01:00