lib/vulcan/cli.rb in vulcan-0.1.2 vs lib/vulcan/cli.rb in vulcan-0.1.3

@@ -113,10 +113,11 @@
       CONTENTS
     end
 
     Dir.mktmpdir do |dir|
       Dir.chdir(dir) do
-        api_key = %x{ env BUNDLE_GEMFILE= heroku credentials }
+        api_key = %x{ env BUNDLE_GEMFILE= heroku credentials 2>&1 }.chomp
+        error "invalid api key detected, try running `heroku credentials`" if api_key =~ / /
 
         system "git init"
         system "git remote add heroku [e-mail]:#{config[:app]}.git"
         FileUtils.cp_r "#{server_path}/.", "."
         File.open(".gitignore", "w") do |file|