Hello,

I’m currently working on the new machine MareNostrum5, which doesn’t have internet connection (as many other clusters in Europe).

Similarly to the issue here, the thorn `ExternalLibraries/ssht` attempts to clone additional repositories during compilation, thus requiring internet connection.

Thanks in advance for your help!

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2868/externallibraries-ssht-requires-cloning