51 lines
1.8 KiB
Nix
51 lines
1.8 KiB
Nix
{
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description = "Flake utils demo";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
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};
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outputs = { self, nixpkgs, flake-utils, pre-commit-hooks }:
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flake-utils.lib.eachDefaultSystem
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(system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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minVersion = 8;
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maxVersion = 11;
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mkPython = version: "python3${toString version}";
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pythonVersions = map mkPython (pkgs.lib.lists.range minVersion maxVersion);
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mkDevShell = version: pkgs.mkShell {
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inherit (pre-commit-hooks.lib."${system}".run { src = ./.; }) shellHook;
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buildInputs = [ pkgs.${version} pkgs.poetry ];
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};
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addPreCommit = shell: shell.overrideAttrs (old: {
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inherit (self.checks.${system}.pre-commit-check) shellHook;
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});
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devShells = pkgs.lib.genAttrs pythonVersions mkDevShell;
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preCommitShells = pkgs.lib.mapAttrs' (name: value: pkgs.lib.nameValuePair (name + "-precommit") (addPreCommit value)) devShells;
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allShells = devShells // preCommitShells;
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in
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{
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devShells = allShells // {
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default = self.devShells.${system}."${mkPython maxVersion}-precommit";
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};
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checks.pre-commit-check = pre-commit-hooks.lib."${system}".run {
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src = ./.;
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hooks = {
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nixpkgs-fmt.enable = true;
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statix.enable = true;
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shellcheck.enable = true;
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black.enable = true;
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isort.enable = true;
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};
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};
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}) // {
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templates.default = {
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path = ./.;
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description = "A adhoc python environment";
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};
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};
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}
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