Don't reinstall bundler when using --force

2 files changed, 13 insertions, 1 deletions

diff --git a/lib/bundler/source/rubygems.rb b/lib/bundler/source/rubygems.rb
index 7b40860db9..bb06830f3e 100644
--- a/lib/bundler/source/rubygems.rb
+++ b/lib/bundler/source/rubygems.rb
@@ -98,7 +98,7 @@ module Bundler
           end
         end
 
-        if installed_specs[spec].any? && !force
+        if (installed_specs[spec].any? && !force) || bundler?(spec)
           Bundler.ui.info "Using #{version_message(spec)}"
           return nil # no post-install message
         end
@@ -413,6 +413,10 @@ module Bundler
         spec.loaded_from && spec.loaded_from.include?("specifications/default/")
       end
 
+      def bundler?(spec)
+        spec.name.eql?('bundler')
+      end
+
     end
   end
 end
diff --git a/spec/install/force_spec.rb b/spec/install/force_spec.rb
index f86eadaba7..1ab408b009 100644
--- a/spec/install/force_spec.rb
+++ b/spec/install/force_spec.rb
@@ -17,5 +17,13 @@ describe "bundle install" do
       should_be_installed "rack 1.0.0"
       expect(exitstatus).to eq(0) if exitstatus
     end
+
+    it "doesn't reinstall bundler" do
+      bundle "install"
+      bundle "install --force"
+      expect(out).to_not include "Installing bundler 1.10.4"
+      expect(out).to include "Using bundler 1.10.4"
+    end
+
   end
 end