182 lines
12 KiB
Nix
182 lines
12 KiB
Nix
{
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description = ''
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▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀ ▀ ▀▀▀▀▀▀▀▀▀▀▀ ▀ ▀
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A basic Haskell flake for solving problems and sketching out concepts.
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https://tristancacqueray.github.io/blog/beautiful-haskell
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'';
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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flake-parts.url = "github:hercules-ci/flake-parts";
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git-hooks-nix.url = "github:cachix/git-hooks.nix";
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git-hooks-nix.inputs.nixpkgs.follows = "nixpkgs";
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treefmt-nix.url = "github:numtide/treefmt-nix";
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treefmt-nix.inputs.nixpkgs.follows = "nixpkgs";
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};
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outputs = inputs @ {flake-parts, ...}:
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flake-parts.lib.mkFlake {inherit inputs;} {
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imports = [
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# To import a flake module
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# 1. Add foo to inputs
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# 2. Add foo as a parameter to the outputs function
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# 3. Add here: foo.flakeModule
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inputs.git-hooks-nix.flakeModule
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inputs.treefmt-nix.flakeModule
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];
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systems = [
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"x86_64-linux"
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# "aarch64-linux"
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# "aarch64-darwin"
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# "x86_64-darwin"
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];
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flake = {
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# The usual flake attributes can be defined here, including system-
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# agnostic ones like nixosModule and system-enumerating ones, although
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# those are more easily expressed in perSystem.
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};
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perSystem = {
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config,
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self',
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inputs',
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pkgs,
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system,
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...
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}: {
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# Per-system attributes can be defined here. The self' and inputs'
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# module parameters provide easy access to attributes of the same
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# system.
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# Equivalent to inputs'.nixpkgs.legacyPackages.hello;
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# packages.default = pkgs.hello;
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devShells.default = let
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# https://downloads.haskell.org/~ghc/9.10.3/docs/users_guide/index.html
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ghc' = pkgs.haskell.packages.ghc9103.ghcWithHoogle (
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self:
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with self; [
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relude
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split
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aeson
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random
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neat-interpolation
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# maths
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primes
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arithmoi
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parallel
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# graphing libraries!
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Chart
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Chart-cairo
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]
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);
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clean = pkgs.writeShellScriptBin "clean" ''
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# Delete executables
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find . -type f -executable -not -path '*/.git/*' -delete
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# Delete all Haskell IR files
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find . -type f -name '*.hi' -delete
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find . -type f -name '*.o' -delete
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# Delete any test graphs created
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find . -type f -name '*.png' -delete
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'';
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in
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pkgs.mkShell {
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packages = with pkgs; [
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cowsay
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alejandra
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ghc'
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clean
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haskell-language-server
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ghcid
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hlint
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kotlin
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];
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shellHook = ''
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${config.pre-commit.installationScript}
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echo ".------..------..------..------..------..------..------..------..------..------."
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echo "|U.--. ||N.--. ||I.--. ||V.--. ||E.--. ||R.--. ||S.--. ||A.--. ||L.--. ||=.--. |"
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echo "| (\/) || :(): || (\/) || :(): || (\/) || :(): || :/\: || (\/) || :/\: || (\/) |"
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echo "| :\/: || ()() || :\/: || ()() || :\/: || ()() || :\/: || :\/: || (__) || :\/: |"
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echo "| '--'U|| '--'N|| '--'I|| '--'V|| '--'E|| '--'R|| '--'S|| '--'A|| '--'L|| '--'=|"
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echo "[------'[------'[------'[------'[------'[------'[------'[------'[------'[------'"
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echo ".------..------..------..------..------..------..------..------..------..------."
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echo "|C.--. ||A.--. ||L.--. ||C.--. ||U.--. ||L.--. ||A.--. ||T.--. ||O.--. ||R.--. |"
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echo "| :/\: || (\/) || :/\: || :/\: || (\/) || :/\: || (\/) || :/\: || :/\: || :(): |"
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echo "| :\/: || :\/: || (__) || :\/: || :\/: || (__) || :\/: || (__) || :\/: || ()() |"
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echo "| '--'C|| '--'A|| '--'L|| '--'C|| '--'U|| '--'L|| '--'A|| '--'T|| '--'O|| '--'R|"
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echo "[------'[------'[------'[------'[------'[------'[------'[------'[------'[------'"
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echo " _ _ _ _ "
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echo "| | | | (_) | | ______ "
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echo "| | | | _ __ _ __ __ ___ _ __ ___ __ _ | ||______|"
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echo "| | | || '_ \ | |\ \ / / / _ \| '__|/ __| / _[ || | ______ "
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echo "| |_| || | | || | \ V / | __/| | \__ \| (_| || ||______|"
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echo " \___/ |_| |_||_| \_/ \___||_| |___/ \__,_||_| "
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echo " "
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echo " "
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echo " _____ _ _ _ "
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echo "/ __ \ | | | | | | "
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echo "| / \/ __ _ | | ___ _ _ | | __ _ | |_ ___ _ __ "
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echo "| | / _[ || | / __|| | | || | / _[ || __| / _ \ | '__| "
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echo "| \__/\| (_| || || (__ | |_| || || (_| || |_ | (_) || | "
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echo " \____/ \__,_||_| \___| \__,_||_| \__,_| \__| \___/ |_| "
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'';
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};
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pre-commit = {
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settings.hooks = {
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alejandra.enable = true;
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mdformat.enable = true;
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prettier.enable = true;
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prettier.excludes = [".*\.md" "flake.lock"];
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stylish-haskell.enable = true;
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};
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};
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treefmt = {
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programs = {
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alejandra.enable = true;
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mdformat.enable = true;
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prettier.enable = true;
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prettier.excludes = ["*.md"];
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stylish-haskell.enable = true;
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};
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};
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};
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};
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}
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