Remove font files, use fonts from the Nix store

flake.nix

@@ -7,9 +7,31 @@
       system = "x86_64-linux";
       pkgs = import nixpkgs { inherit system; };
 
+      inherit (pkgs) lib;
       inherit (nixpkgs.lib) makeOverridable;
       inherit (pkgs.stdenvNoCC) mkDerivation;
 
+      interStaticFonts = mkDerivation {
+        pname = "inter-static-fonts";
+        version = "4.1";
+
+        src = pkgs.fetchzip {
+          url = "https://github.com/rsms/inter/releases/download/v4.1/Inter-4.1.zip";
+          sha256 = "sha256-5vdKKvHAeZi6igrfpbOdhZlDX2/5+UvzlnCQV6DdqoQ=";
+          stripRoot = false;
+        };
+
+        installPhase = ''
+          mkdir -p $out/share/fonts/truetype
+          cp $src/extras/ttf/*.ttf $out/share/fonts/truetype
+        '';
+      };
+
+      fontPaths = lib.concatStringsSep ":" [
+        "${pkgs.inconsolata}/share/fonts/truetype/inconsolata"
+        "${interStaticFonts}/share/fonts/truetype"
+      ];
+
       shared-assets = mkDerivation {
         name = "talks-shared-assets";
         src = ./src;
@@ -18,13 +40,14 @@
           runHook preInstall
 
           mkdir $out
-          cp -r fonts styles $out
+          cp -r styles $out
 
           runHook postInstall
         '';
       };
 
       commonBuildInputs = with pkgs; [
+        interStaticFonts
         (python310.withPackages (p: with p; [ rst2pdf ]))
       ];
 
@@ -48,7 +71,7 @@
               --break-level 1 \
               --extension-module preprocess \
               --fit-background-mode scale \
-              --font-path "${toString shared-assets}/fonts" \
+              --font-path "${fontPaths}" \
               --output slides.pdf \
               --stylesheets bw,"${toString shared-assets}/styles/opdavies-light"
 

src/styles/opdavies-dark.yaml

@@ -1,21 +1,21 @@
 embeddedFonts:
-  - - Inconsolata.ttf
-    - Inconsolata.ttf
-    - Inconsolata.ttf
-    - Inconsolata.ttf
-  - - Helvetica.ttf
-    - Helvetica-Bold.ttf
-    - Helvetica.ttf
-    - Helvetica-Bold.ttf
+  - - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+  - - Inter-Regular.ttf
+    - Inter-Bold.ttf
+    - Inter-Regular.ttf
+    - Inter-Bold.ttf
 
 fontsAlias:
-  fontBold: Helvetica-Bold
-  fontFont: Helvetica
-  fontItalic: Helvetica
-  fontMono: Inconsolata
-  fontMonoBold: Inconsolata
-  fontMonoBoldItalic: Inconsolata
-  fontMonoItalic: Inconsolata
+  fontBold: Inter-Bold
+  fontFont: Inter-Regular
+  fontItalic: Inter-Regular
+  fontMono: inconsolata
+  fontMonoBold: inconsolata
+  fontMonoBoldItalic: inconsolata
+  fontMonoItalic: inconsolata
 
 linkColor: '#60a5fa'
 

src/styles/opdavies-light.yaml

@@ -1,21 +1,21 @@
 embeddedFonts:
-  - - Inconsolata.ttf
-    - Inconsolata.ttf
-    - Inconsolata.ttf
-    - Inconsolata.ttf
-  - - Helvetica.ttf
-    - Helvetica-Bold.ttf
-    - Helvetica.ttf
-    - Helvetica-Bold.ttf
+  - - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+    - Inconsolata-Regular.ttf
+  - - Inter-Regular.ttf
+    - Inter-Bold.ttf
+    - Inter-Regular.ttf
+    - Inter-Bold.ttf
 
 fontsAlias:
-  fontBold: Helvetica-Bold
-  fontFont: Helvetica
-  fontItalic: Helvetica
-  fontMono: Inconsolata
-  fontMonoBold: Inconsolata
-  fontMonoBoldItalic: Inconsolata
-  fontMonoItalic: Inconsolata
+  fontBold: Inter-Bold
+  fontFont: Inter-Regular
+  fontItalic: Inter-Regular
+  fontMono: inconsolata
+  fontMonoBold: inconsolata
+  fontMonoBoldItalic: inconsolata
+  fontMonoItalic: inconsolata
 
 linkColor: '#24608a'