feat: use xdg config dirs

home/modules/bootstrap.nix

@@ -9,24 +9,27 @@ let
   homeDir = config.home.homeDirectory;
   repoDir = "${homeDir}/.config/nix";
 
-  directories =
-    [
-      "dev"
-      "Downloads"
-      "Pictures"
-    ]
-    ++ lib.optionals hostConfig.isLinux [
-      "Pictures/Screensavers"
-      "Pictures/Screenshots"
-      "Pictures/wp"
-    ];
+  directories = [ "dev" ];
+
+  pictureSubdirs = [
+    "Screensavers"
+    "Screenshots"
+    "wp"
+  ];
 in
 {
-  home.activation.createDirectories = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
-    for dir in ${lib.concatStringsSep " " directories}; do
-      run mkdir -p "$HOME/$dir"
-    done
-  '';
+  home.activation.createDirectories = lib.hm.dag.entryAfter [ "writeBoundary" ] (
+    ''
+      for dir in ${lib.concatStringsSep " " directories}; do
+        run mkdir -p "$HOME/$dir"
+      done
+    ''
+    + lib.optionalString hostConfig.isLinux ''
+      for dir in ${lib.concatStringsSep " " pictureSubdirs}; do
+        run mkdir -p "${config.xdg.userDirs.pictures}/$dir"
+      done
+    ''
+  );
 
   home.activation.cleanDanglingLinks = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
     for link in "$HOME/.nix-profile" "$HOME/.nix-defexpr"; do
@@ -37,7 +40,7 @@ in
   home.activation.linkWallpapers = lib.mkIf hostConfig.isLinux (
     lib.hm.dag.entryAfter [ "createDirectories" ] ''
       src="${repoDir}/config/screen"
-      dest="$HOME/Pictures/Screensavers"
+      dest="${config.xdg.userDirs.pictures}/Screensavers"
       if [ -d "$src" ]; then
         for f in "$src"/*; do
           [ -f "$f" ] || continue