Parametrize path to profile directory

modules/home-environment.nix

@@ -121,6 +121,17 @@ in
       description = "The user's home directory.";
     };
 
+    home.profileDirectory = mkOption {
+      type = types.path;
+      defaultText = "~/.nix-profile";
+      internal = true;
+      readOnly = true;
+      description = ''
+        The profile directory where Home Manager generations are
+        installed.
+      '';
+    };
+
     home.language = mkOption {
       type = languageSubModule;
       default = {};
@@ -249,6 +260,8 @@ in
     home.username = mkDefault (builtins.getEnv "USER");
     home.homeDirectory = mkDefault (builtins.getEnv "HOME");
 
+    home.profileDirectory = cfg.homeDirectory + "/.nix-profile";
+
     home.sessionVariables =
       let
         maybeSet = n: v: optionalAttrs (v != null) { ${n} = v; };

modules/misc/fontconfig.nix

@@ -33,8 +33,8 @@ in
       <?xml version='1.0'?>
       <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
       <fontconfig>
-        <dir>~/.nix-profile/lib/X11/fonts</dir>
-        <dir>~/.nix-profile/share/fonts</dir>
+        <dir>${config.home.profileDirectory}/lib/X11/fonts</dir>
+        <dir>${config.home.profileDirectory}/share/fonts</dir>
       </fontconfig>
     '';
   };

modules/programs/bash.nix

@@ -182,7 +182,7 @@ in
       home.file.".profile".text = ''
         # -*- mode: sh -*-
 
-        . "$HOME/.nix-profile/etc/profile.d/hm-session-vars.sh"
+        . "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
 
         ${sessionVarsStr}
 

modules/programs/info.nix

@@ -29,7 +29,7 @@ let
   dag = config.lib.dag;
 
   # Indexes info files found in this location
-  homeInfoPath = "$HOME/.nix-profile/share/info";
+  homeInfoPath = "${config.home.profileDirectory}/share/info";
 
   # Installs this package -- the interactive just means that it
   # includes the curses `info` program. We also use `install-info`

modules/programs/zsh.nix

@@ -314,7 +314,7 @@ in
         }
 
         # Environment variables
-        . "$HOME/.nix-profile/etc/profile.d/hm-session-vars.sh"
+        . "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
         ${envVarsStr}
 
         ${optionalString cfg.oh-my-zsh.enable ''

modules/services/dunst.nix

@@ -99,7 +99,7 @@ in
 
             basePaths = [
               "/run/current-system/sw"
-              "${config.home.homeDirectory}/.nix-profile"
+              config.home.profileDirectory
               cfg.iconTheme.package
             ] ++ optional useCustomTheme hicolorTheme.package;
 

modules/services/flameshot.nix

@@ -33,7 +33,7 @@ in
       };
 
       Service = {
-        Environment = "PATH=%h/.nix-profile/bin";
+        Environment = "PATH=${config.home.profileDirectory}/bin";
         ExecStart = "${package}/bin/flameshot";
         Restart = "on-abort";
       };

modules/services/kdeconnect.nix

@@ -41,7 +41,7 @@ in
         };
 
         Service = {
-          Environment = "PATH=%h/.nix-profile/bin";
+          Environment = "PATH=${config.home.profileDirectory}/bin";
           ExecStart = "${package}/lib/libexec/kdeconnectd";
           Restart = "on-abort";
         };
@@ -64,7 +64,7 @@ in
         };
 
         Service = {
-          Environment = "PATH=%h/.nix-profile/bin";
+          Environment = "PATH=${config.home.profileDirectory}/bin";
           ExecStart = "${package}/bin/kdeconnect-indicator";
           Restart = "on-abort";
         };

modules/services/mpd.nix

@@ -131,13 +131,13 @@ in {
         After = [ "network.target" "sound.target" ];
         Description = "Music Player Daemon";
       };
- 
+
       Install = {
         WantedBy = [ "default.target" ];
       };
 
       Service = {
-        Environment = "PATH=%h/.nix-profile/bin";
+        Environment = "PATH=${config.home.profileDirectory}/bin";
         ExecStart = "${pkgs.mpd}/bin/mpd --no-daemon ${mpdConf}";
         Type = "notify";
         ExecStartPre = ''${pkgs.bash}/bin/bash -c "${pkgs.coreutils}/bin/mkdir -p '${cfg.dataDir}' '${cfg.playlistDirectory}'"'';

modules/services/owncloud-client.nix

@@ -18,7 +18,7 @@ with lib;
       };
 
       Service = {
-        Environment = "PATH=%h/.nix-profile/bin";
+        Environment = "PATH=${config.home.profileDirectory}/bin";
         ExecStart = "${pkgs.owncloud-client}/bin/owncloud";
       };
 

modules/services/syncthing.nix

@@ -54,7 +54,7 @@ with lib;
           };
 
           Service = {
-            Environment = "PATH=%h/.nix-profile/bin";
+            Environment = "PATH=${config.home.profileDirectory}/bin";
             ExecStart = "${pkgs.qsyncthingtray}/bin/QSyncthingTray";
           };
 

modules/xsession.nix

@@ -93,7 +93,7 @@ in
     };
 
     home.file.".xprofile".text = ''
-        . "$HOME/.nix-profile/etc/profile.d/hm-session-vars.sh"
+        . "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
 
         if [[ -e "$HOME/.profile" ]]; then
           . "$HOME/.profile"