Fonts: Difference between revisions

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 <translate>==== Solution 3: Configure bindfs for fonts/cursors/icons support ==== <!--T:67--></translate>
 <translate><!--T:68-->
-Alternatively, you can expose relevant packages directly under <code>/usr/share/...</code> paths. This will also enable Flatpak to use a custom cursor theme if you have one. This solution doesn't require <code>fonts.fontDir.enable</code> to be enabled.<syntaxhighlight lang="nix">
+Alternatively, you can expose relevant host paths in <code>/run/current-system/sw/share/</code> directly under <code>/usr/share/...</code> paths. This will also enable Flatpak to use a custom cursor theme if you have one.<syntaxhighlight lang="nixos" line="1">
-system.fsPackages = [ pkgs.bindfs ];
+# flatpak-usr-fix.nix
-fileSystems = let
+{ pkgs, ... }:
-   mkRoSymBind = path: {
-     device = path;
+{
+  # Bind mounts fonts, icons and themes from
+  # The /run/current-system/sw/share/* paths
+  # to their /usr/share/* equivalents
+  # Expose all fonts
+  # under /run/current-system/sw/share/X11/fonts
+  fonts.fontDir.enable = true;
+  # Flatpak: Bind mounts /usr/share/* directories
+  system.fsPackages = [ pkgs.bindfs ];
+  # Fonts
+   fileSystems."/usr/share/fonts" = {
+     device = "/run/current-system/sw/share/X11/fonts";
      fsType = "fuse.bindfs";
-     options = [ "ro" "resolve-symlinks" "x-gvfs-hide" ];
+     options = [
+      "ro"
+      "resolve-symlinks"
+      "x-gvfs-hide"
+    ];
    };
-   fontsPkgs = config.fonts.packages ++ (with pkgs; [
-      # Add your cursor themes and icon packages here
+   # Icons
-      bibata-cursors
+  fileSystems."/usr/share/icons" = {
-      gnome-themes-extra
+     device = "/run/current-system/sw/share/icons";
-      # etc.
+     fsType = "fuse.bindfs";
-     ]);
+    options = [
-  x11Fonts = pkgs.runCommand "X11-fonts"
+      "ro"
-     {
+      "resolve-symlinks"
-      preferLocalBuild = true;
+       "x-gvfs-hide"
-      nativeBuildInputs = with pkgs; [
+    ];
-        gzip
+  };
-        mkfontdir
-       ];
+  # Themes
-    }
+  fileSystems."/usr/share/themes" = {
-    (''
+  device = "/run/current-system/sw/share/themes";
-      mkdir -p "$out/share/fonts"
+  fsType = "fuse.bindfs";
-      font_regexp='.*\.\(ttf\|ttc\|otb\|otf\|pcf\|pfa\|pfb\|bdf\)\(\.gz\)?'
+   options = [
-    ''
+     "ro"
-    + (builtins.concatStringsSep "\n" (builtins.map (pkg: ''
+     "resolve-symlinks"
-        find ${toString pkg} -regex "$font_regexp" \
+     "x-gvfs-hide"
-          -exec ln -sf -t "$out/share/fonts" '{}' \;
-      '') fontsPkgs
-      ))
-    + ''
-      cd "$out/share/fonts"
-      mkfontscale
-      mkfontdir
-      cat $(find ${pkgs.font-alias}/ -name fonts.alias) >fonts.alias
-    '');
-   aggregatedIcons = pkgs.buildEnv {
-     name = "system-icons";
-     paths = fontsPkgs;
-     pathsToLink = [
-      "/share/icons"
      ];
    };
-in {
+}
-  "/usr/share/icons" = mkRoSymBind (aggregatedIcons + "/share/icons");
-  "/usr/share/fonts" = mkRoSymBind (x11Fonts + "/share/fonts");
-};
-<!--T:69-->
-nts.packages = with pkgs; [
-  noto-fonts
-  noto-fonts-color-emoji
-  noto-fonts-cjk-sans
-];
 </syntaxhighlight>Note that font cache inside flatpak container may not be recreated after changes to fonts in <code>/usr/share/fonts</code>, because font cache seem to be relying on file timestamps that are missing in <code>/nix/store</code>.
 </translate>