home-manager: upgrade symlink creation

flake.nix

@@ -13,10 +13,15 @@
   };
 
   outputs =
-    { nixpkgs, home-manager, ... } @ inputs:
+    { self, nixpkgs, home-manager, ... } @ inputs:
     let
       system = "x86_64-linux";
       pkgs = nixpkgs.legacyPackages.${system};
+      extraSpecialArgs = {
+        inherit inputs;
+        dotfilesSrc = self.outPath;  # store copy, for readDir only
+        dotfiles = "/home/j/git/dotfiles";  # live path, for symlink targets
+      };
     in
     {
       # TCS config
@@ -32,12 +37,13 @@
 
         # Optionally use extraSpecialArgs
         # to pass through arguments to home.nix
-        extraSpecialArgs = { inherit inputs; };
+        inherit extraSpecialArgs;
       };
 
       # Home
       homeConfigurations."j" = home-manager.lib.homeManagerConfiguration {
         inherit pkgs;
+        inherit extraSpecialArgs;
 
         # Specify your home configuration modules here, for example,
         # the path to your home.nix.

home-manager/common.nix

@@ -1,12 +1,18 @@
-{ config, pkgs, inputs, ... }:
+{ config, pkgs, lib, inputs, dotfilesSrc, dotfiles, ... }:
 
 let 
-	  dotfiles = "${config.home.homeDirectory}/git/dotfiles";
-
-	  createDotLink = name: {
-		  source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/${name}/.config/${name}";
-		  recursive = true;
-	  };
+  createDotLinks = name:
+  let
+    configDir = dotfilesSrc + "/${name}/.config";
+    allEntries = builtins.readDir configDir;
+    entries = builtins.attrNames allEntries;  # both files and dirs
+  in
+  builtins.listToAttrs (map (entry: {
+    name = entry;
+    value = {
+      source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/${name}/.config/${entry}";
+    };
+  }) entries);
 in
 {
   imports = [
@@ -86,6 +92,7 @@ in
     jujutsu
     jjui
     lazyjj
+    meld
 
     # Python
     python3
@@ -189,14 +196,14 @@ in
         { name = "grc"; src = pkgs.fishPlugins.grc.src; }
       ];
   };
-
-  programs.starship = {
-    enable = true;
-    settings = {
-	    add_newline = false;
-    };
+  home.shellAliases = {
+      nvimdiff = "nvim -d";
   };
 
+  # programs.starship = {
+  #   enable = true;
+  # };
+
   #programs.neovim.enable = true;
   programs.neovim = {
           enable = true;
@@ -248,13 +255,9 @@ in
 
   fonts.fontconfig.enable = true;
 
-  xdg.configFile =  {
-    "git" = createDotLink "git";
-    "niri" = createDotLink "niri";
-    "jj" = createDotLink "jj";
-    "helix" = createDotLink "helix";
-    "ghostty" = createDotLink "ghostty";
-  };
+  xdg.configFile = lib.mkMerge (map createDotLinks [
+    "git" "niri" "jj" "helix" "ghostty" "starship"
+  ]);
   home.file = {
     ".pdbrc" = { source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/python/.pdbrc";};
     ".pdb_startup.py" = { source = config.lib.file.mkOutOfStoreSymlink "${dotfiles}/python/.pdb_startup.py";};