Modularize nix config

homes/common/base.nix

@@ -0,0 +1,10 @@
+{ config, pkgs, ... }:
+{
+
+  programs.bash.enable = true;
+
+  programs.fish = {
+    enable = true;
+  };
+  
+}

homes/common/default.nix

@@ -0,0 +1,11 @@
+{ ... }:
+{
+
+  imports = [
+    ./user-info.nix
+    ./base.nix
+    ./editor.nix
+    ./vc.nix
+  ];
+  
+}

homes/common/editor.nix

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+{
+
+  programs.helix = {
+    enable = true;
+    defaultEditor = true;
+  };
+  
+}

homes/common/user-info.nix

@@ -0,0 +1,18 @@
+{ lib, ... }:
+{
+
+  options.user.info = {
+    name = lib.mkOption {
+      type = lib.types.str;
+    };
+    email = lib.mkOption {
+      type = lib.types.str;
+    };
+  };
+  
+  config.user.info = {
+    name = lib.mkDefault "Julien Hémono";
+    email = lib.mkDefault "julien@hemono.fr";
+  };
+
+}

homes/common/vc.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, ... }:
+{
+
+  programs.git = {
+    enable = true;
+    settings = {
+      user = {
+        email = config.user.info.email;
+        name = config.user.info.name;
+      };
+    };
+  };
+
+  programs.jujutsu = {
+    enable = true;
+    settings = {
+      user = {
+        email = config.user.info.email;
+        name = config.user.info.name;
+      };
+      ui.default-command = "log";
+    };
+  };
+  
+  programs.gh = {
+    enable = true;
+  };
+
+}

homes/me/default.nix

@@ -2,44 +2,12 @@
 
 {
 
+  imports = [
+    ../common
+  ];
+
   home.stateVersion = "25.05"; # Please read the comment before changing.
 
-  programs.bash.enable = true;
-
-  programs.fish = {
-    enable = true;
-  };
-
-  programs.git = {
-    enable = true;
-    settings = {
-      user = {
-        name = "Julien Hémono";
-        email = "julien@hemono.fr";
-      };
-    };
-  };
-
-  programs.jujutsu = {
-    enable = true;
-    settings = {
-      user = {
-        email = "julien@hemono.fr";
-        name = "Julien Hémono";
-      };
-      ui.default-command = "log";
-    };
-  };
-
-  programs.gh = {
-    enable = true;
-  };
-
-  programs.helix = {
-    enable = true;
-    defaultEditor = true;
-  };
-
   programs.uv.enable = true;
 
   programs.firefox = {
@@ -97,38 +65,4 @@
     # nodejs
   ];
 
-  # Home Manager is pretty good at managing dotfiles. The primary way to manage
-  # plain files is through 'home.file'.
-  home.file = {
-    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
-    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
-    # # symlink to the Nix store copy.
-    # ".screenrc".source = dotfiles/screenrc;
-
-    # # You can also set the file content immediately.
-    # ".gradle/gradle.properties".text = ''
-    #   org.gradle.console=verbose
-    #   org.gradle.daemon.idletimeout=3600000
-    # '';
-  };
-
-  # Home Manager can also manage your environment variables through
-  # 'home.sessionVariables'. These will be explicitly sourced when using a
-  # shell provided by Home Manager. If you don't want to manage your shell
-  # through Home Manager then you have to manually source 'hm-session-vars.sh'
-  # located at either
-  #
-  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
-  #
-  # or
-  #
-  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
-  #
-  # or
-  #
-  #  /etc/profiles/per-user/julien/etc/profile.d/hm-session-vars.sh
-  #
-  home.sessionVariables = {
-  };
-
 }

homes/scalizer/default.nix

@@ -1,50 +1,17 @@
 { config, pkgs, ... }:
 
 {
-  # Home Manager needs a bit of information about you and the paths it should
-  # manage.
+
+  imports = [
+    ../common
+  ];
+
   home.username = "julien";
   home.homeDirectory = "/home/julien";
 
-  # This value determines the Home Manager release that your configuration is
-  # compatible with. This helps avoid breakage when a new Home Manager release
-  # introduces backwards incompatible changes.
-  #
-  # You should not change this value, even if you update Home Manager. If you do
-  # want to update the value, then make sure to first check the Home Manager
-  # release notes.
-  home.stateVersion = "25.05"; # Please read the comment before changing.
+  home.stateVersion = "25.05";
 
-  programs.bash.enable = true;
-  programs.fish = {
-    enable = true;
-  };
-
-  programs.git = {
-    enable = true;
-    userName = "Julien Hémono";
-    userEmail = "julien@scalizer.fr";
-  };
-
-  programs.jujutsu = {
-    enable = true;
-    settings = {
-      user = {
-        email = "julien@scalizer.fr";
-        name = "Julien Hémono";
-      };
-      ui.default-command = "log";
-    };
-  };
-
-  programs.gh = {
-    enable = true;
-  };
-
-  programs.helix = {
-    enable = true;
-    defaultEditor = true;
-  };
+  user.info.email = "julien@scalizer.fr";
 
   programs.uv.enable = true;
 
@@ -52,46 +19,9 @@
     enable = true;
   };
 
-  # The home.packages option allows you to install Nix packages into your
-  # environment.
   home.packages = with pkgs; [
   ];
 
-  # Home Manager is pretty good at managing dotfiles. The primary way to manage
-  # plain files is through 'home.file'.
-  home.file = {
-    # # Building this configuration will create a copy of 'dotfiles/screenrc' in
-    # # the Nix store. Activating the configuration will then make '~/.screenrc' a
-    # # symlink to the Nix store copy.
-    # ".screenrc".source = dotfiles/screenrc;
-
-    # # You can also set the file content immediately.
-    # ".gradle/gradle.properties".text = ''
-    #   org.gradle.console=verbose
-    #   org.gradle.daemon.idletimeout=3600000
-    # '';
-  };
-
-  # Home Manager can also manage your environment variables through
-  # 'home.sessionVariables'. These will be explicitly sourced when using a
-  # shell provided by Home Manager. If you don't want to manage your shell
-  # through Home Manager then you have to manually source 'hm-session-vars.sh'
-  # located at either
-  #
-  #  ~/.nix-profile/etc/profile.d/hm-session-vars.sh
-  #
-  # or
-  #
-  #  ~/.local/state/nix/profiles/profile/etc/profile.d/hm-session-vars.sh
-  #
-  # or
-  #
-  #  /etc/profiles/per-user/julien/etc/profile.d/hm-session-vars.sh
-  #
-  home.sessionVariables = {
-    # EDITOR = "emacs";
-  };
-
   # Let Home Manager install and manage itself.
   programs.home-manager.enable = true;
   services.home-manager.autoExpire.enable = true;

hosts/common/default.nix

@@ -0,0 +1,8 @@
+{ ... }:
+{
+
+  imports = [
+    ./nix.nix
+  ];
+  
+}

hosts/common/nix.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, ... }:
+{
+
+  nix = {
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+    settings = {
+      experimental-features = [ "nix-command" "flakes" ];
+      auto-optimise-store = true;
+      trusted-users = [ "jhemono" ];
+    };
+    channel.enable = false;
+  };
+
+}

hosts/gwiad/configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ../common
       ./home.nix
       # Services
       ./btrbk.nix
@@ -87,21 +88,6 @@
 
   environment.variables.EDITOR = "vim";
 
-  # Nix configuration
-  nix = {
-    gc = {
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 7d";
-    };
-    settings = {
-      experimental-features = [ "nix-command" "flakes" ];
-      auto-optimise-store = true;
-      trusted-users = [ "jhemono" ];
-    };
-    channel.enable = false;
-  };
-
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;

hosts/sesame/configuration.nix

@@ -8,6 +8,7 @@
   imports =
     [ # Include the results of the hardware scan.
       ./hardware-configuration.nix
+      ../common
       # Supporting
       ./buckets.nix
       ./nginx.nix
@@ -69,15 +70,6 @@
 
   environment.variables.EDITOR = "vim";
 
-  # Nix configuration
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
-  nix.gc = {
-    automatic = true;
-    dates = "weekly";
-    options = "--delete-older-than 7d";
-  };
-  nix.settings.auto-optimise-store = true;
-
   # OpenSSH
   services.openssh = {
     enable = true;