From d09b6410643208561098429443d1bfcf2a13b005 Mon Sep 17 00:00:00 2001
From: Dan Baker <daniel.n.baker@gmail.com>
Date: Fri, 9 Feb 2024 13:50:18 -0800
Subject: [PATCH] Made fenced code blocks prettier with syntax highlights and
 filenames. (#7)

---
 lessons/010-basic-types/{run => run.sh} |  0
 lib/lessons.nix                         | 21 +++++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)
 rename lessons/010-basic-types/{run => run.sh} (100%)

diff --git a/lessons/010-basic-types/run b/lessons/010-basic-types/run.sh
similarity index 100%
rename from lessons/010-basic-types/run
rename to lessons/010-basic-types/run.sh
diff --git a/lib/lessons.nix b/lib/lessons.nix
index f7594c8..2a0be3f 100644
--- a/lib/lessons.nix
+++ b/lib/lessons.nix
@@ -14,6 +14,21 @@
     )
   );
 
+  getFileExtension = path: (
+    lib.concatStringsSep
+    "."
+    (
+      builtins.tail (
+        lib.splitString
+        "."
+        (
+          builtins.baseNameOf
+          path
+        )
+      )
+    )
+  );
+
   createLessonMetadata = name: value: let
     lessonPath = value;
     rawLesson = builtins.readFile (lib.path.append lessonPath "lesson.md");
@@ -35,8 +50,10 @@
     textToSubstitute = (
       builtins.map
       (
-        file: ''
-          ```
+        file: let
+          fileExtension = getFileExtension file;
+        in ''
+          ``` ${fileExtension} title="${file}"
           ${
             builtins.readFile
             (