just: add module

.github/CODEOWNERS

@@ -119,6 +119,8 @@
 
 /modules/programs/java.nix                            @ShamrockLee
 
+/modules/programs/just.nix                            @maximsmol
+
 /modules/programs/keychain.nix                        @marsam
 
 /modules/programs/kodi.nix                            @dwagenk

modules/lib/maintainers.nix

@@ -111,6 +111,12 @@
     githubId = 46252070;
     name = "Sara Johnsson";
   };
+  maximsmol = {
+    email = "maximsmol@gmail.com";
+    github = "maximsmol";
+    githubId = 1472826;
+    name = "Max Smolin";
+  };
   msfjarvis = {
     email = "me@msfjarvis.dev";
     github = "msfjarvis";

modules/misc/news.nix

@@ -2442,6 +2442,13 @@ in
           Use this to enable services based on macOS LaunchAgents.
         '';
       }
+
+      {
+        time = "2022-03-06T08:50:32+00:00";
+        message = ''
+          A new module is available: 'programs.just'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -87,6 +87,7 @@ let
     ./programs/irssi.nix
     ./programs/java.nix
     ./programs/jq.nix
+    ./programs/just.nix
     ./programs/kakoune.nix
     ./programs/keychain.nix
     ./programs/kitty.nix

modules/programs/just.nix

@@ -0,0 +1,52 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.just;
+
+in {
+  meta.maintainers = [ hm.maintainers.maximsmol ];
+
+  options.programs.just = {
+    enable = mkEnableOption
+      "just, a handy way to save and run project-specific commands";
+
+    package = mkOption {
+      type = types.package;
+      default = pkgs.just;
+      defaultText = literalExpression "pkgs.just";
+      description = "Package providing the <command>just</command> tool.";
+    };
+
+    enableBashIntegration = mkEnableOption "Bash integration" // {
+      default = true;
+    };
+
+    enableZshIntegration = mkEnableOption "Zsh integration" // {
+      default = true;
+    };
+
+    enableFishIntegration = mkEnableOption "Fish integration" // {
+      default = true;
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
+      source ${cfg.package}/share/bash-completion/completions/just.bash
+    '';
+
+    programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
+      source ${cfg.package}/share/zsh/site-functions/_just
+    '';
+
+    programs.fish.shellInit = mkIf cfg.enableFishIntegration ''
+      source ${cfg.package}/share/fish/vendor_completions.d/just.fish
+    '';
+
+  };
+}