Don't raise when unable to write env.rb

1 files changed, 11 insertions, 7 deletions

diff --git a/lib/bundler/environment.rb b/lib/bundler/environment.rb
index 63e3cacc..f103b9a0 100644
--- a/lib/bundler/environment.rb
+++ b/lib/bundler/environment.rb
@@ -92,13 +92,17 @@ module Bundler
     end
 
     def write_rb_lock
-      env_file = Bundler.default_gemfile.dirname.join(".bundle/environment.rb")
-      env_file.dirname.mkpath
-      File.open(env_file, 'w') do |f|
-        f.puts <<-RB
-require "rubygems"
-require "bundler/setup"
-        RB
+      begin
+        env_file = Bundler.default_gemfile.dirname.join(".bundle/environment.rb")
+        env_file.dirname.mkpath
+        File.open(env_file, 'w') do |f|
+          f.puts <<-RB
+  require "rubygems"
+  require "bundler/setup"
+          RB
+        end
+      rescue Errno::EACCES
+        Bundler.ui.warn "Cannot write .bundle/environment.rb file"
       end
     end