home: move zsh and direnv to new modules

flake.nix

@@ -38,7 +38,11 @@
 
         # Specify your home configuration modules here, for example,
         # the path to your home.nix.
-        modules = [ ./home-manager/home.nix ];
+        modules = [
+          ./home-manager/home.nix
+          ./home-manager/modules/shell/zsh/default.nix
+          ./home-manager/modules/shell/direnv.nix
+        ];
 
         # Optionally use extraSpecialArgs
         # to pass through arguments to home.nix

home-manager/home.nix

@@ -7,6 +7,13 @@
   # DO NOT CHANGE!!!
   home.stateVersion = "23.11";
 
+  modules = {
+    shell = {
+      zsh.enable = true;
+      direnv.enable = true;
+    };
+  };
+
   home.packages = with pkgs; [
     # Code formatters for use with doom emacs
     nixfmt # nix
@@ -24,9 +31,6 @@
     # Further tools
     lazygit
 
-    # TODO: migrate to module config
-    starship
-
     # (pkgs.nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
 
     # (pkgs.writeShellScriptBin "my-hello" ''
@@ -34,75 +38,7 @@
     # '')
   ];
 
-  home.shellAliases = {
-    g = "git status";
-    fd = "fd -HI";
-  };
-
   programs = {
-    direnv = {
-      enable = true;
-      enableZshIntegration = true;
-    };
-
-    starship = {
-      enable = true;
-      enableZshIntegration = true;
-    };
-
-    zsh = {
-      enable = true;
-
-      initExtra = ''
-        function go_dir_up() {
-          cd .. || return 1
-        }
-
-        function zle_go_dir_up() {
-          zle .kill-buffer
-          go_dir_up
-          zle .accept-line
-        }
-
-        fzf-z() {
-            dir=$(z | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
-            cd $dir
-        }
-
-        mkcd ()
-        {
-            mkdir -p -- "$1" && cd -P -- "$1"
-        }
-
-        zle -N zle_go_dir_up
-        bindkey "^[[1;3A" zle_go_dir_up
-        bindkey "^[[A" history-substring-search-up
-        bindkey "^[[B" history-substring-search-down
-
-        bindkey "^[[1;5C" forward-word
-        bindkey "^[[1;5D" backward-word
-      '';
-
-      zplug = {
-        enable = true;
-        plugins = [
-          # list of plugins: https://github.com/unixorn/awesome-zsh-plugins
-          { name = "agkozak/zsh-z"; }
-          { name = "mdumitru/last-working-dir"; }
-          {
-            name = "zsh-users/zsh-completions";
-          }
-
-          # make it behave like fish
-          { name = "zsh-users/zsh-autosuggestions"; }
-          { name = "zsh-users/zsh-history-substring-search"; }
-          {
-            name = "zsh-users/zsh-syntax-highlighting";
-          } # must be last sourced plugin
-        ];
-      };
-    };
-
     neovim = let
       toLua = str: ''
         lua << EOF
@@ -169,7 +105,6 @@
       source = ../alacritty;
       recursive = true;
     };
-    ".config/starship.toml".source = ../starship/starship.toml;
   };
 
   # Home Manager can also manage your environment variables through
@@ -180,6 +115,16 @@
   # or
   #  /etc/profiles/per-user/julian/etc/profile.d/hm-session-vars.sh
   #
+  #
+
+  home.shellAliases = {
+    g = "git status";
+    fd = "fd -HI";
+    ls = "ls --color";
+    la = "ls -Alh --color";
+    grep = "grep --color";
+  };
+
   home.sessionVariables = {
     TERMINAL = "alacritty";
     EDITOR = "nvim";

home-manager/modules/shell/direnv.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.modules.shell.direnv;
+in {
+  options.modules.shell.direnv = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable {
+    programs.direnv = {
+      enable = true;
+      enableZshIntegration = true;
+    };
+  };
+}

home-manager/modules/shell/zsh/default.nix

@@ -0,0 +1,75 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.modules.shell.zsh;
+in {
+  options.modules.shell.zsh = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable {
+
+    home.file = {
+      ".config/starship.toml".source = ../../../../starship/starship.toml;
+    };
+
+    home.packages = with pkgs; [ starship ];
+
+    programs.starship = {
+      enable = true;
+      enableZshIntegration = true;
+    };
+
+    programs.zsh = {
+      enable = true;
+
+      initExtra = ''
+        function go_dir_up() {
+          cd .. || return 1
+        }
+
+        function zle_go_dir_up() {
+          zle .kill-buffer
+          go_dir_up
+          zle .accept-line
+        }
+
+        fzf-z() {
+            dir=$(z | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
+            cd $dir
+        }
+
+        mkcd ()
+        {
+            mkdir -p -- "$1" && cd -P -- "$1"
+        }
+
+        zle -N zle_go_dir_up
+        bindkey "^[[1;3A" zle_go_dir_up
+        bindkey "^[[A" history-substring-search-up
+        bindkey "^[[B" history-substring-search-down
+
+        bindkey "^[[1;5C" forward-word
+        bindkey "^[[1;5D" backward-word
+      '';
+
+      zplug = {
+        enable = true;
+        plugins = [
+          # list of plugins: https://github.com/unixorn/awesome-zsh-plugins
+          { name = "agkozak/zsh-z"; }
+          { name = "mdumitru/last-working-dir"; }
+          {
+            name = "zsh-users/zsh-completions";
+          }
+
+          # make it behave like fish
+          { name = "zsh-users/zsh-autosuggestions"; }
+          { name = "zsh-users/zsh-history-substring-search"; }
+          {
+            name = "zsh-users/zsh-syntax-highlighting";
+          } # must be last sourced plugin
+        ];
+      };
+    };
+  };
+}

home-manager/templates/module.default.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.modules.X;
+in {
+  options.modules.X = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable { };
+}