don't write to profile.d to export file again
don't write to profile.d to export file again

fcruxen/ruby-buildpack,aarongray/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,cloudn/buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,sky-uk/ruby-buildpack,jonasoberschweiber/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,wakermahmud/heroku-buildpack-jekyll,electricobjects/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,cordata/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,jumptvs/BP_Ruby,schu/buildpack-testing,awebneck/heroku-buildpack-canvas,shuber/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,derrek/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,rowanoulton/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,sky-uk/ruby-buildpack,bskyb-commerce/help-heroku-buildpack,Jonty/ruby-buildpack,Scalingo/ruby-buildpack,ltrademark/heroku-buildpack-ruby,jumptvs/BP_Ruby,orlando/heroku-buildpack-ruby,orenyk/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,ekaranto/rails4-bluemix-buildpack,stefansundin/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,schu/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,hpcloud/ruby-buildpack,swipesense/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,dlorson/gentle-buildpack,cloudfoundry/ruby-buildpack,amaltson/heroku-buildpack-ruby,takii/heroku-buildpack-ruby,beydogan/ruby-buildpack,fgbreel/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,hpcloud/ruby-buildpack,ChefSteps/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,CPPWind/ruby-buildpack,zidekmat/buildpack-ruby,takii/db2rubybuildpack,hpcloud/ruby-buildpack,bskyb-commerce/ruby-buildpack,tenjikinc/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,ablease/custom-buildpack,sky-uk/help-heroku-buildpack,moneyadviceservice/heroku-buildpack-ruby-bowndler,qstream/heroku-buildpack-ruby,ruby/heroku-buildpack-www-ruby-lang,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,sky-uk/ruby-buildpack,pietrop/heroku-buildpack-ruby,jumptvs/BP_Ruby,icelab/heroku-buildpack-ruby,zidekmat/buildpack-ruby,cloudfoundry/ruby-buildpack,makifund/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,awebneck/heroku-buildpack-canvas,takii/db2rubybuildpack,erintherad/heroku-buildpack-ruby,schu/heroku-buildpack-ruby,Altoros/ruby-buildpack,cloudfoundry/ruby-buildpack,sky-uk/ruby-buildpack,gbenedict/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,dlorson/gentle-buildpack,brightbytes/heroku-buildpack-ruby-without-assets-precompile,bwaite-jaroop/heroku-buildpack-ruby,tpope/heroku-buildpack-ruby-tpope,dieze/heroku-buildpack-ruby-hooks,qstream/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,vhx/heroku-buildpack,ekaranto/rails4-bluemix-buildpack,Jonty/ruby-buildpack,DyegoCosta/heroku-buildpack-ruby,cloudn/buildpack-ruby,vhx/heroku-buildpack,cloudfoundry/ruby-buildpack,bellycard/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,CPPWind/ruby-buildpack,wakermahmud/heroku-buildpack-jekyll,takii/db2rubybuildpack,derrek/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,fgbreel/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,cloudn/buildpack-ruby,fcruxen/ruby-buildpack,bskyb-commerce/help-heroku-buildpack,catalyzeio/buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,zoomer/heroku-buildpack-ruby-bower,fcruxen/ruby-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,Micka33/heroku-buildpack-ruby-liblua,mintybit/heroku-buildpack-ruby,ablease/custom-buildpack,iamjarvo/ruby-buildpack,donnykurnia/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,shuber/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,aarongray/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,tenjikinc/heroku-buildpack-ruby,ablease/custom-buildpack,heroku/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,guidance-guarantee-programme/heroku-buildpack-princexml-old,guidance-guarantee-programme/heroku-buildpack-princexml-old,takii/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,engineyard/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,moneyadviceservice/heroku-buildpack-ruby-bowndler,swipesense/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,cmaggard/heroku-buildpack-turbo-sprockets,packetmonkey/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,beydogan/ruby-buildpack,dleavitt/heroku-buildpack-ruby,simonnordberg/heroku-buildpack-ruby,Altoros/ruby-buildpack,Jonty/ruby-buildpack,ibmdb/db2rubybuildpack,donnykurnia/heroku-buildpack-ruby,pkgr/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,packetmonkey/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,tpope/heroku-buildpack-ruby-tpope,jumptvs/BP_Ruby,iamjarvo/ruby-buildpack,instacart/heroku-buildpack-ruby,takii/db2rubybuildpack,qnyp/heroku-buildpack-ruby-bower,0x00evil/heroku-buildpack-ruby,cloudControl/buildpack-ruby,orenyk/heroku-buildpack-ruby,cloudn/buildpack-ruby,tdenovan/heroku-buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,cordata/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,icelab/heroku-buildpack-ruby,fcruxen/ruby-buildpack,gls1/heroku-buildpack-ruby-pdftk-new,schu/buildpack-testing,zoomer/heroku-buildpack-ruby-bower,hpcloud/ruby-buildpack,zunda/heroku-buildpack-ruby,sky-uk/help-heroku-buildpack,DouglasAllen/heroku-buildpack-ruby,ericboehs/heroku-buildpack-ruby,Altoros/ruby-buildpack,lyoshenka/heroku-buildpack-ruby-jekyll,ekaranto/rails4-bluemix-buildpack,Scalingo/ruby-buildpack,bellycard/heroku-buildpack-ruby,CPPWind/ruby-buildpack,codykrieger/heroku-buildpack-jekyll,barakav/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,DouglasAllen/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,cloudControl/buildpack-ruby,iamjarvo/ruby-buildpack,amaltson/heroku-buildpack-ruby,ericboehs/heroku-buildpack-ruby,michaelphines/alexa-nest,electricobjects/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,reesio/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,michaelphines/alexa-nest,Jonty/ruby-buildpack,instacart/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,engineyard/heroku-buildpack-ruby,space150/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,mintybit/heroku-buildpack-ruby,ablease/custom-buildpack,pkgr/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,lyoshenka/heroku-buildpack-ruby-jekyll,space150/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,Altoros/ruby-buildpack,brightbytes/heroku-buildpack-ruby-without-assets-precompile,leonardykris/mos-ruby-buildpack,CPPWind/ruby-buildpack