fix ensure to sanity-check its actions

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/bundler/source/path.rb b/lib/bundler/source/path.rb
index 05aa65fb8d..2ae8f12d2b 100644
--- a/lib/bundler/source/path.rb
+++ b/lib/bundler/source/path.rb
@@ -193,7 +193,9 @@ module Bundler
 
         Bundler.ui.warn "The validation message from Rubygems was:\n  #{e.message}"
       ensure
-        Dir.chdir(gem_dir){ FileUtils.rm_rf(gem_file) if gem_file && File.exist?(gem_file) }
+        if gem_dir && gem_file && File.exist?(gem_file)
+          Dir.chdir(gem_dir){ FileUtils.rm_rf(gem_file) }
+        end
       end
 
       def run_hooks(type, installer)