keycloak-theme/flake.nix

{
  description = "Keycloak pub.solar theme";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";

    flake-utils.url = "github:numtide/flake-utils";

    devshell.url = "github:numtide/devshell";
    devshell.inputs.flake-utils.follows = "flake-utils";
    devshell.inputs.nixpkgs.follows = "nixpkgs";
  };

  outputs = { self, flake-utils, devshell, nixpkgs }:
    let
      pkgs = import nixpkgs {
        overlays = [
          devshell.overlay
          (import ./overlay.nix)
        ];
      };
    in
    flake-utils.lib.simpleFlake {
      inherit self nixpkgs;
      name = "keycloak-theme-pub-solar";
      overlay = ./overlay.nix;
      preOverlays = [ devshell.overlay ];
      shell = { pkgs }:
      let
        google-font-downloader = with pkgs; writeShellScriptBin "google-font-downloader" ''
          echo "Attempting to fetch $1"
          ${nodejs}/bin/npx google-font-downloader -- $1
          rm ./common/resources/scss/typography.scss
          echo "/* To regenerate this file, run $ google-font-downloader '$1' */" >> ./common/resources/scss/typography.scss 
          echo "" >> ./common/resources/scss/typography.scss 
          cat ./google-fonts-*.css >> ./common/resources/scss/typography.scss
          rm ./google-fonts-*.css
          mv fonts ./common/resources/fonts
        '';

        compile-sass = with pkgs; writeShellScriptBin "compile-sass" ''
          ${sassc}/bin/sassc "./common/resources/scss/index.scss" > "./common/resources/css/index.css"
        '';

        watch-sass = with pkgs; writeShellScriptBin "watch-sass" ''
          while true; do
              ${inotify-tools}/bin/inotifywait -e close_write ./common/resources/scss && ${compile-sass}/bin/compile-sass
          done
        '';
      in
        pkgs.devshell.mkShell {
          imports = [  ];

          # Add additional packages you'd like to be available in your devshell
          # PATH here
          devshell.packages = with pkgs; [
            google-font-downloader
            compile-sass
            watch-sass
          ];
        };
    };
}