From b68e2ded3bca661c0364deb9ce6097d650f5bef5 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Thu, 4 Jun 2020 00:31:00 +0200
Subject: Added cleaning function

---
 build.rb | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/build.rb b/build.rb
index 6d74536..9bbca1e 100755
--- a/build.rb
+++ b/build.rb
@@ -45,13 +45,17 @@ OptionParser.new do |opts|
   opts.on("-s", "--size SIZE", "Size to resize images to") do |size|
     options[:size] = size
   end
-  opts.on("-c", "--commit HASH", "Commit to display on website") do |hash|
+  opts.on("-g", "--commit HASH", "Commit to display on website") do |hash|
     options[:commit] = hash
   end
+  opts.on("-c", "--clean", "Cleanup unused images") do |v|
+    options[:clean] = true
+  end
 end.parse!
 
 options[:path] = "build" unless options[:path]
 options[:size] = "1920x1080" unless options[:size]
+options[:clean] = false unless options[:clean]
 puts options
 
 # Create build dir
@@ -78,8 +82,6 @@ puts files
 template = File.read("index.tmpl")
 template = template.split("%BODY%")
 
-print(template)
-
 File.open(File.join(options[:path], "index.html"), "w") do |file|
   # Print preample
   file.write(template[0])
@@ -106,3 +108,14 @@ File.open(File.join(options[:path], "index.html"), "w") do |file|
   # Print postampleee?
   file.write(template[1])
 end
+
+# Cleanup old files
+if options[:clean]
+  Dir.glob(File.join(options[:path], "*.jpg")) do |file|
+    hash = File.basename(file)
+    if !files.values.include? hash 
+      puts "Cleaning #{hash}"
+      File.delete(file)
+    end
+  end
+end
-- 
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