[RubyGems] Ignore specs missing extensions

2 files changed, 36 insertions, 0 deletions

diff --git a/lib/bundler/source/rubygems.rb b/lib/bundler/source/rubygems.rb
index 89f7673eb8..b53a939bbc 100644
--- a/lib/bundler/source/rubygems.rb
+++ b/lib/bundler/source/rubygems.rb
@@ -292,6 +292,10 @@ module Bundler
             next if spec.name == "bundler" && spec.version.to_s != VERSION
             have_bundler = true if spec.name == "bundler"
             spec.source = self
+            if spec.missing_extensions?
+              Bundler.ui.debug "Source #{self} is ignoring #{spec} because it is missing extensions"
+              next
+            end
             idx << spec
           end
 
@@ -322,6 +326,10 @@ module Bundler
             next if gemfile =~ /^bundler\-[\d\.]+?\.gem/
             s ||= Bundler.rubygems.spec_from_gem(gemfile)
             s.source = self
+            if s.missing_extensions?
+              Bundler.ui.debug "Source #{self} is ignoring #{s} because it is missing extensions"
+              next
+            end
             idx << s
           end
         end
diff --git a/spec/install/path_spec.rb b/spec/install/path_spec.rb
index 0a961981b3..04eeb2d942 100644
--- a/spec/install/path_spec.rb
+++ b/spec/install/path_spec.rb
@@ -128,6 +128,34 @@ describe "bundle install" do
       expect(vendored_gems("gems/rack-1.0.0")).to be_directory
       expect(the_bundle).to include_gems "rack 1.0.0"
     end
+
+    it "re-installs gems whose extensions have been deleted" do
+      build_lib "very_simple_binary", "1.0.0", :to_system => true do |s|
+        s.write "lib/very_simple_binary.rb", "raise 'FAIL'"
+      end
+
+      gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "very_simple_binary"
+      G
+
+      bundle "install --path ./vendor/bundle"
+
+      expect(vendored_gems("gems/very_simple_binary-1.0")).to be_directory
+      expect(vendored_gems("extensions")).to be_directory
+      expect(the_bundle).to include_gems "very_simple_binary 1.0", :source => "remote1"
+
+      vendored_gems("extensions").rmtree
+
+      run "require 'very_simple_binary_c'"
+      expect(err).to include("Bundler::GemNotFound")
+
+      bundle "install --path ./vendor/bundle"
+
+      expect(vendored_gems("gems/very_simple_binary-1.0")).to be_directory
+      expect(vendored_gems("extensions")).to be_directory
+      expect(the_bundle).to include_gems "very_simple_binary 1.0", :source => "remote1"
+    end
   end
 
   describe "to a file" do