feat: add zsh + git features, redesign shell

features/dev.nix

@@ -1,25 +1,29 @@
 {
+  nixos =
+    { lib, ... }:
+    {
+      options.features.dev.enable = lib.mkEnableOption "development tools";
+    };
+
   home =
-    { pkgs, inputs, ... }:
+    { pkgs, lib, inputs, osConfig, ... }:
     let
+      cfg = osConfig.features.dev;
       packages = inputs.self.outputs.packages.${pkgs.stdenv.hostPlatform.system};
     in
     {
-      home.packages = [
-        pkgs.git
-        packages.git-linearize
-        packages.ggman
+      config = lib.mkIf cfg.enable {
+        home.packages = [
+          pkgs.python3
+          pkgs.osc
 
-        pkgs.python3
-        pkgs.osc
-
-        pkgs.google-cloud-sdk
-        pkgs.google-cloud-sql-proxy
-
-        packages.ahab
-        pkgs.just
-        pkgs.presenterm
-      ];
+          pkgs.google-cloud-sdk
+          pkgs.google-cloud-sql-proxy
 
+          packages.ahab
+          pkgs.just
+          pkgs.presenterm
+        ];
+      };
     };
 }

features/git.nix

@@ -0,0 +1,23 @@
+{
+  nixos =
+    { lib, ... }:
+    {
+      options.features.git.enable = lib.mkEnableOption "git";
+    };
+
+  home =
+    { pkgs, lib, inputs, osConfig, ... }:
+    let
+      cfg = osConfig.features.git;
+      packages = inputs.self.outputs.packages.${pkgs.stdenv.hostPlatform.system};
+    in
+    {
+      config = lib.mkIf cfg.enable {
+        home.packages = [
+          pkgs.git
+          packages.git-linearize
+          packages.ggman
+        ];
+      };
+    };
+}

features/shell-minimal.nix

@@ -1,16 +0,0 @@
-{
-  nixos = _: {
-    programs.zsh.enable = true;
-    environment.etc."zshenv".text = ''
-      export ZDOTDIR=$HOME/.config/zsh
-    '';
-  };
-
-  home =
-    { pkgs, ... }:
-    {
-      home.packages = with pkgs; [
-        starship
-      ];
-    };
-}

features/shell.nix

@@ -1,25 +1,28 @@
 {
-  nixos = _: {
-    programs.zsh.enable = true;
-    environment.etc."zshenv".text = ''
-      export ZDOTDIR=$HOME/.config/zsh
-    '';
-  };
+  nixos =
+    { lib, ... }:
+    {
+      options.features.shell.enable = lib.mkEnableOption "shell extras";
+    };
 
   home =
-    { pkgs, ... }:
+    { pkgs, lib, osConfig, ... }:
+    let
+      cfg = osConfig.features.shell;
+    in
     {
-      home.packages = with pkgs; [
-        starship
-        fzf
-        htop
-        jc
-        jq
-        openssl
-        pv
-        ripgrep
-        fd
-        tmux
-      ];
+      config = lib.mkIf cfg.enable {
+        home.packages = with pkgs; [
+          fzf
+          htop
+          jc
+          jq
+          openssl
+          pv
+          ripgrep
+          fd
+          tmux
+        ];
+      };
     };
 }

features/user-matej.nix

@@ -10,15 +10,12 @@ in
   };
 
   nixos =
-    { pkgs, ... }:
+    { ... }:
     {
-      programs.zsh.enable = true;
-
       users.users.matej = {
         uid = 1000;
         isNormalUser = true;
         home = "/home/matej";
-        shell = pkgs.zsh;
         extraGroups = [ "wheel" ];
         openssh.authorizedKeys.keys = sshKeys;
       };

features/zsh.nix

@@ -0,0 +1,42 @@
+{
+  nixos =
+    { config, lib, pkgs, user, ... }:
+    let
+      cfg = config.features.zsh;
+    in
+    {
+      options.features.zsh = {
+        enable = lib.mkEnableOption "zsh";
+
+        loginShell.enable = lib.mkOption {
+          type = lib.types.bool;
+          default = true;
+
+        };
+      };
+
+      config = lib.mkIf cfg.enable (lib.mkMerge [
+        {
+          programs.zsh.enable = true;
+          environment.etc."zshenv".text = ''
+            export ZDOTDIR=$HOME/.config/zsh
+          '';
+        }
+
+        (lib.mkIf cfg.loginShell.enable {
+          users.users.${user}.shell = pkgs.zsh;
+        })
+      ]);
+    };
+
+  home =
+    { pkgs, lib, osConfig, ... }:
+    let
+      cfg = osConfig.features.zsh;
+    in
+    {
+      config = lib.mkIf cfg.enable {
+        home.packages = [ pkgs.starship ];
+      };
+    };
+}