From 57a152299a93459d584e850e79917665c51c5821 Mon Sep 17 00:00:00 2001
From: Krzysztof Zych <krzysztof.zych@rebased.pl>
Date: Sun, 28 Oct 2018 12:27:01 +0100
Subject: [PATCH] Add a rake task to compress binaries with UPX. Make it a
 requirement of the gem packing task.

It's safe to run multiple times - already-compressed files will be detected and skipped.
---
 Rakefile | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Rakefile b/Rakefile
index c9a610ae..cdba7fde 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,6 +1,20 @@
 require 'rubygems'
 require 'rubygems/package_task'
 
+task :compress_binaries do
+  Dir.glob(File.join(__dir__, 'bin/', '*{x86,amd64}')).each do |path|
+    sh "upx", "-t", path do |success|
+      if success
+        puts "#{path} already compressed, skipping"
+      else
+        sh "upx", path
+      end
+    end
+  end
+end
+
+task gem: :compress_binaries
+  
 spec = eval(File.new("wkhtmltopdf-binary.gemspec").readlines.join("\n"))
 Gem::PackageTask.new(spec) do |pkg|
   pkg.need_tar = true