1 files changed, 75 insertions, 0 deletions
diff --git a/nixos/modules/config/fonts/fontdir.nix b/nixos/modules/config/fonts/fontdir.nix
new file mode 100644
index 00000000000..a4f69809b2a
--- /dev/null
+++ b/nixos/modules/config/fonts/fontdir.nix
@@ -0,0 +1,75 @@
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  fontDirs = config.fonts.fonts;
+
+  localDefs = with pkgs.builderDefs; pkgs.builderDefs.passthru.function rec {
+    src = "";/* put a fetchurl here */
+    buildInputs = [pkgs.xorg.mkfontdir pkgs.xorg.mkfontscale];
+    inherit fontDirs;
+    installPhase = fullDepEntry ("
+    list='';
+    for i in ${toString fontDirs} ; do
+      if [ -d \$i/ ]; then
+        list=\"\$list \$i\";
+      fi;
+    done
+    list=\$(find \$list -name fonts.dir -o -name '*.ttf' -o -name '*.otf');
+    fontDirs='';
+    for i in \$list ; do
+      fontDirs=\"\$fontDirs \$(dirname \$i)\";
+    done;
+    mkdir -p \$out/share/X11-fonts/;
+    find \$fontDirs -type f -o -type l | while read i; do
+      j=\"\${i##*/}\"
+      if ! test -e \"\$out/share/X11-fonts/\${j}\"; then
+        ln -s \"\$i\" \"\$out/share/X11-fonts/\${j}\";
+      fi;
+    done;
+    cd \$out/share/X11-fonts/
+    rm fonts.dir
+    rm fonts.scale
+    rm fonts.alias
+    mkfontdir
+    mkfontscale
+    cat \$( find ${pkgs.xorg.fontalias}/ -name fonts.alias) >fonts.alias
+  ") ["minInit" "addInputs"];
+  };
+
+  x11Fonts = with localDefs; stdenv.mkDerivation rec {
+    name = "X11-fonts";
+    builder = writeScript (name + "-builder")
+      (textClosure localDefs
+        [installPhase doForceShare doPropagate]);
+  };
+
+in
+
+{
+
+  options = {
+
+    fonts = {
+
+      enableFontDir = mkOption {
+        default = false;
+        description = ''
+          Whether to create a directory with links to all fonts in
+          <filename>/run/current-system/sw/share/X11-fonts</filename>.
+        '';
+      };
+
+    };
+
+  };
+
+  config = mkIf config.fonts.enableFontDir {
+
+    environment.systemPackages = [ x11Fonts ];
+
+  };
+
+}