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Merge pull request #1410 from akhesaCaro/improve_nix_shell

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pinning nixpkgs and adding missing dependencies to shell.nix file
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Caroline GAUDREAU 2021-04-10 11:59:17 +02:00 committed by GitHub
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3 changed files with 34 additions and 18 deletions
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6
README.md
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@ -63,3 +63,9 @@ To compare with `reitit` (Clojure framework)
``` ```
You can see the visualised results at https://www.techempower.com/benchmarks/#section=test You can see the visualised results at https://www.techempower.com/benchmarks/#section=test
## Nix
A developer shell.nix file is provided in the `nix` directory
See [nix/README.md](nix/README.md)

6
nix/README.md
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@ -21,3 +21,9 @@ a particular ghc version, e.g:
``` sh ``` sh
$ nix-shell nix/shell.nix --argstr compiler ghcHEAD $ nix-shell nix/shell.nix --argstr compiler ghcHEAD
``` ```
**Possible GHC versions**
- `ghc822Binary`
- `ghc865`
- `ghc884`
- `ghc8102` - default

38
nix/shell.nix
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@ -1,21 +1,25 @@
{ pkgs ? import <nixpkgs> {} let nixos = fetchTarball {
, compiler ? "ghc822" url = "https://releases.nixos.org/nixos/20.09/nixos-20.09.3505.12d9950bf47/nixexprs.tar.xz";
sha256 = "0fsl8bsdb8i536pfs4wrp0826h5l84xqlwx32sbz66jg4ykqp9lr";
}; in
{ compiler ? "ghc8102"
, tutorial ? false , tutorial ? false
, pkgs ? import nixos { config = {}; }
}: }:
with pkgs; with pkgs;
let let
ghc = haskell.packages.${compiler}.ghcWithPackages (_: []); ghc = haskell.packages.${compiler}.ghcWithPackages (_: []);
docstuffs = python3.withPackages (ps: with ps; [ recommonmark sphinx sphinx_rtd_theme ]); docstuffs = python3.withPackages (ps: with ps; [ recommonmark sphinx sphinx_rtd_theme ]);
in in
stdenv.mkDerivation {
stdenv.mkDerivation { name = "servant-dev";
name = "servant-dev"; buildInputs = [ ghc zlib python3 wget cabal-install postgresql openssl ]
buildInputs = [ ghc zlib python3 wget ] ++ (if tutorial then [docstuffs postgresql] else []);
++ (if tutorial then [docstuffs postgresql] else []); shellHook = ''
shellHook = '' eval $(grep export ${ghc}/bin/ghc)
eval $(grep export ${ghc}/bin/ghc) export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"${zlib}/lib";
export LD_LIBRARY_PATH="${zlib}/lib"; '';
''; }
}