1 files changed, 28 insertions, 0 deletions
diff --git a/_plugins/generate-lilypond.rb b/_plugins/generate-lilypond.rb
new file mode 100644
index 0000000..c0c1a13
--- /dev/null
+++ b/_plugins/generate-lilypond.rb
@@ -0,0 +1,28 @@
+module Jekyll
+  class LilyPondGenerator < Generator
+    safe true
+    priority :high
+
+    def generate(site)
+      site.config['musics'].each do |music|
+        ref = music['ref']
+        file = "music/#{ref}"
+        ly = "#{file}.ly"
+        pdf = "#{file}.pdf"
+        unless File.exist? pdf then
+          puts "Missing '#{pdf}', generating..."
+          puts `lilypond -o #{file} #{ly}`
+          site.static_files << Jekyll::StaticFile.new(site, site.source, '', pdf)
+        end
+
+        ogg = "#{file}.ogg"
+        midi = "#{file}.midi"
+        unless File.exist? ogg then
+          puts "Missing '#{ogg}', generating..."
+          puts `timidity -Ov #{midi}`
+          site.static_files << Jekyll::StaticFile.new(site, site.source, '', ogg)
+        end
+      end
+    end
+  end
+end