It needs `cabal update` to fetch latest package index as it may need the very new package index.
callHackage will generate Nix expression on each call, which does bring some overhead. It's better to generate expressions in a file that can be read with an editor. On Wed, Jun 28, 2017 at 4:59 PM, ElvishJerricco <elvishjerri...@gmail.com> wrote: > Awesome! I've wondered about something like this for a long time! > > Why does it need `cabal update`? It seems like it should only need `git > clone`, since it can use `haskellPackages.callHackage` for any Hackage > dependencies. > > - Will Fancher > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > https://mailman.science.uu.nl/mailman/listinfo/nix-dev >
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