Todd Gamblin 32dd20035f Skip fetch tests for tools that are not installed. (#4059) ... This allows people on systems that don't have all the fetchers to still run Spack tests. Mark tests that require git, subversion, or mercurial to be skipped if they're not installed.		2017-05-01 11:53:16 -07:00
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spack	Skip fetch tests for tools that are not installed. (#4059)	2017-05-01 11:53:16 -07:00