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servant/nix/nixpkgs.nix

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Upgrade GHCJS to 8.6 This allows us to deprecate GHCJS 8.4 (which makes sense, as vanilla GHC < 8.6 is already deprecated). We re-use GHCJS from reflex-platform, which unfortunately isn't up-to-date with latest GHC and is only 8.6. The benefit of using reflex-platform is that it provides nix expressions for GHCJS + a binary nix cache. reflex-platform patches text to use a JS-String based internal representation for performance reasons, so we provide a few haskell dependencies from reflex-platform as well: - hashable - attoparsec As those rely on text's internal representation but have been patched for reflex-platform.
2021-10-09 13:27:01 +02:00
import (builtins.fetchTarball {
url = "https://github.com/NixOS/nixpkgs/archive/refs/tags/21.05.tar.gz";
sha256 = "sha256:1ckzhh24mgz6jd1xhfgx0i9mijk6xjqxwsshnvq789xsavrmsc36";
}) {}