Initial commit

.gitignore

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+result*

example/default.nix

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+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs.lib;
+
+(pkgs.callPackage ../mkPresentation.nix) {
+  src = ./.;
+  name = "example-presentation";
+  # reveal version can be changed with revealJS
+  # 3.5.0 is used by default
+  revealVersion = "3.4.0";
+}

example/presentation.md

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+---
+author: John Doe
+title: Demo Slide
+date: June 21, 2017
+---
+# Foo
+```python
+print("hello world")
+```
+# Bar
+* test
+* test

mkPresentation.nix

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+# Nix expression to generate a slidy presentation
+
+{ # the nixpkgs set to use
+  pkgs
+, src
+, name
+, revealVersion ? "3.5.0"
+  # extra dependencies
+ ,extraBuildInputs ? []
+  # assets to include in the result packages, typically examples
+ ,assets ? []
+}:
+let
+  revealJS = fetchTarball "https://github.com/hakimel/reveal.js/archive/${revealVersion}.tar.gz";
+in
+
+pkgs.stdenv.mkDerivation rec {
+  inherit name src;
+
+  preferLocalBuild = true;
+  allowSubstitutes = false;
+
+  # dependencies declaration
+  buildInputs = with pkgs; [ pandoc ] ++ extraBuildInputs;
+
+  installPhase = ''
+    mkdir $out
+    for presentation in $(find . -name "*\.md"); do
+      id=$(basename $presentation ".md")
+      pandoc -t revealjs -s -o $out/"$id".html "$id".md
+    done
+    ln -s ${revealJS} $out/reveal.js
+  '';
+}

readme.md

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+# Reveal.js slides Nix builder
+
+example slides are in example/presentation.md.
+
+Can be built by running:
+
+```sh
+$ nix-build example
+```