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shell.nix
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shell.nix
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# This file is used by nix-shell.
# It just takes the shell attribute from default.nix.
{ config ? { }, sourcesOverride ? { }, withHoogle ? true
, customConfig ? { inherit withHoogle; }
, pkgs ? import ./nix { inherit config sourcesOverride customConfig; } }:
with pkgs;
let
inherit (pkgs.customConfig) withHoogle;
commandHelp = ''
echo "
Commands:
* nix flake update --update-input <iohkNix|haskellNix> - update input
"
'';
# This provides a development environment that can be used with nix-shell or
# lorri. See https://input-output-hk.github.io/haskell.nix/user-guide/development/
shell = cardanoDbSyncProject.shellFor {
name = "cabal-dev-shell";
packages = ps:
lib.attrValues (haskell-nix.haskellLib.selectProjectPackages ps);
# These programs will be available inside the nix-shell.
nativeBuildInputs = with haskellPackages; [
cabalWrapped
ghcid
hlint
stylish-haskell
weeder
nixWrapped
pkgconfig
sqlite-interactive
tmux
pkgs.git
];
# Prevents cabal from choosing alternate plans, so that
# *all* dependencies are provided by Nix.
exactDeps = true;
inherit withHoogle;
};
devops = pkgs.stdenv.mkDerivation {
name = "devops-shell";
nativeBuildInputs = [ nixWrapped ];
shellHook = ''
echo "DevOps Tools" \
| ${figlet}/bin/figlet -f banner -c \
| ${lolcat}/bin/lolcat
echo "NOTE: you may need to export GITHUB_TOKEN if you hit rate limits with niv flake update:"
echo ' edit ~/.config/nix/nix.conf and add line `access-tokens = "github.com=23ac...b289"`'
${commandHelp}
'';
};
in shell // { inherit devops; }