Remove cabal cache form CI #3932
Merged
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We noticed that we are trying to cache the cabal store, however, Nix already does this for us, as we have seen from the fact that cache has been broken but builds run just as fast. Therefore, this caching should be removed entirely.
This also fixes an issue where the cache key on master was not being built correctly, because we forgot to set the
ghc_version
ENV variable. THis also meant we were building with a different version of GHC on master push vs the feature branches.