add example content, compile to site and pdf

1 files changed, 59 insertions, 11 deletions

diff --git a/flake.nix b/flake.nix
index e465964..aa5c073 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,3 +1,5 @@
+# Build environment and recipe for the Markdown course website example.
+#
 # Author: Pacien TRAN-GIRARD
 # Licence: EUPL-1.2
 
@@ -14,19 +16,65 @@
   flake-utils.lib.eachDefaultSystem (system:
   with nixpkgs.legacyPackages.${system};
   let
+    texliveDist = texlive.combined.scheme-full;
+    solutionsSecret = "topsecret";
 
-    tools = [
-      pandoc
-      quarto
-    ];
+    compileQuarto = options: stdenv.mkDerivation {
+      name = "quarto-book";
+      src = ./.;
+      nativeBuildInputs = [ quarto ];
+      buildPhase = ''
+        export HOME=/build
+        ${options} quarto render
+      '';
+      installPhase = ''
+        mkdir -p "$out"
+        cp -r _book/* "$out/"
+      '';
+    };
 
-  in lib.fold lib.recursiveUpdate { } [
+    compilePandoc = src: to: options: stdenv.mkDerivation {
+      name = "pandoc-output";
+      inherit src;
+      nativeBuildInputs = [ pandoc texliveDist ];
+      installPhase = ''
+        mkdir -p "$out"
+        for f in *.md; do
+          ${options} pandoc $f \
+            --lua-filter ${./filters/strip-solutions.lua} \
+            --output "$out"/$(basename $f .md).pdf \
+            --to ${to}
+        done
+      '';
+    };
 
-    {
-      devShell = flaky-utils.lib.mkDevShell {
-        inherit pkgs tools;
-      };
-    }
+  in {
 
-  ]);
+    devShell = flaky-utils.lib.mkDevShell {
+      inherit pkgs;
+      tools = [ quarto pandoc texlive ];
+    };
+
+    packages = rec {
+      website-public = compileQuarto "STRIP_SOLUTIONS=1";
+      website-private = compileQuarto "";
+      website = runCommand "website-combined" { } ''
+        mkdir -p "$out"
+        cp -r "${website-public}"/* "$out/"
+        mkdir -p "$out/${solutionsSecret}"
+        cp -r "${website-private}"/* "$out/${solutionsSecret}"
+      '';
+
+      pdf-slides = compilePandoc ./lectures "beamer" "";
+      pdf-exercises = compilePandoc ./exercises "pdf" "STRIP_SOLUTIONS=1";
+      pdf-solutions = compilePandoc ./exercises "pdf" "";
+      pdf = runCommand "pdf-combined" { } ''
+        mkdir -p "$out"
+        ln -s ${pdf-slides} "$out/slides"
+        ln -s ${pdf-exercises} "$out/exercises"
+        ln -s ${pdf-solutions} "$out/solutions"
+      '';
+    };
+
+  });
 }