replace manual home dir with config option

hosts/common.nix

@@ -26,15 +26,18 @@
         description = "Base16 color scheme";
       };
     };
-    dotfilesPath = let
-      homePath = if pkgs.stdenv.isDarwin then
+    homePath = mkOption {
+      type = types.path;
+      description = "Path of user's home directory.";
+      default = builtins.toPath (if pkgs.stdenv.isDarwin then
         "/Users/${config.user}"
       else
-        "/home/${config.user}";
-    in mkOption {
+        "/home/${config.user}");
+    };
+    dotfilesPath = mkOption {
       type = types.path;
       description = "Path of dotfiles repository.";
-      default = builtins.toPath "${homePath}/dev/personal/dotfiles";
+      default = config.homePath + "/dev/personal/dotfiles";
     };
     dotfilesRepo = mkOption {
       type = types.str;

modules/darwin/user.nix

@@ -1,19 +1,8 @@
 { config, pkgs, lib, ... }: {
 
   users.users."${config.user}" = { # macOS user
-    home = "/Users/${config.user}";
+    home = config.homePath;
     shell = pkgs.zsh; # Default shell
   };
 
-  home-manager.users.${config.user} = {
-
-    accounts.email.accounts.home = {
-      passwordCommand = lib.mkForce
-        "${pkgs.age}/bin/age --decrypt --identity /Users/${config.user}/.ssh/id_ed25519 ${
-          builtins.toString ./mailpass.age
-        }";
-    };
-
-  };
-
 }

modules/editor/notes.nix

@@ -3,7 +3,7 @@
   home-manager.users.${config.user} = {
 
     home.sessionVariables = {
-      NOTES_PATH = "/home/${config.user}/dev/personal/notes";
+      NOTES_PATH = "${config.homePath}/dev/personal/notes";
     };
 
   };

modules/gaming/legendary.nix

@@ -23,7 +23,7 @@ in {
         ; Disables the notice about an available update on exit
         disable_update_notice = true
         ; Set install directory
-        install_dir = /home/${config.user}/media/games
+        install_dir = ${config.homePath}/media/games
         ; Make output quiet
         log_level = error
       '';

modules/graphical/i3.nix

@@ -246,7 +246,7 @@ in {
 
       # Update lock screen cache only if cache is empty
       home.activation.updateLockScreenCache =
-        let cacheDir = "/home/${config.user}/.cache/betterlockscreen/current";
+        let cacheDir = "${config.homePath}/.cache/betterlockscreen/current";
         in config.home-manager.users.${config.user}.lib.dag.entryAfter
         [ "writeBoundary" ] ''
           if [ ! -d ${cacheDir} ] || [ -z "$(ls ${cacheDir})" ]; then

modules/mail/himalaya.nix

@@ -68,7 +68,7 @@
             mu.enable = false;
             notmuch.enable = false;
             passwordCommand =
-              "${pkgs.age}/bin/age --decrypt --identity /home/${config.user}/.ssh/id_ed25519 ${
+              "${pkgs.age}/bin/age --decrypt --identity ${config.homePath}/.ssh/id_ed25519 ${
                 builtins.toString ./mailpass.age
               }";
             smtp = {

modules/shell/fzf.nix

@@ -9,8 +9,8 @@
         projects = {
           description = "Jump to a project";
           body = ''
-            set projdir (ls /home/${config.user}/dev/personal | fzf)
-            and cd /home/${config.user}/dev/personal/$projdir
+            set projdir (ls ${config.homePath}/dev/personal | fzf)
+            and cd ${config.homePath}/dev/personal/$projdir
             and commandline -f execute
           '';
         };