From f20a64d35f8abdc4ed7c8d068052948682bca296 Mon Sep 17 00:00:00 2001
From: David Harsha <david.harsha@elastic.co>
Date: Thu, 23 Aug 2018 01:34:18 -0700
Subject: [PATCH] Include `gem_build_complete_path` in jar (#439)

`Gem::Specification#missing_extensions?` uses this file to determine if
a gem has properly completed building extensions.
---
 lib/warbler/jar.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/warbler/jar.rb b/lib/warbler/jar.rb
index 66ba767c..9665efb9 100644
--- a/lib/warbler/jar.rb
+++ b/lib/warbler/jar.rb
@@ -234,6 +234,11 @@ def find_single_gem_files(config, spec)
         next if config.gem_excludes && config.gem_excludes.any? {|rx| f =~ rx }
         @files[apply_pathmaps(config, File.join(spec.full_name, f), :gems)] = src
       end
+      if File.exist?(spec.gem_build_complete_path)
+        base_dir = Pathname.new(spec.base_dir)
+        gem_build_complete_path = Pathname.new(spec.gem_build_complete_path)
+        @files[File.join(config.relative_gem_path, gem_build_complete_path.relative_path_from(base_dir))] = spec.gem_build_complete_path
+      end
     end
 
     # Add all application directories and files to the archive.