if using bundle exec, -rbundler/setup fudges with RUBYOPT
if using bundle exec, -rbundler/setup fudges with RUBYOPT

jeremyvdw/heroku-buildpack-ruby-jekyll,rowanoulton/heroku-buildpack-ruby,Jonty/ruby-buildpack,rvizza/heroku-buildpack-gsl-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,CPPWind/ruby-buildpack,ablease/custom-buildpack,ericboehs/heroku-buildpack-ruby,takii/db2rubybuildpack,iamjarvo/ruby-buildpack,0x00evil/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,instacart/heroku-buildpack-ruby,lyoshenka/heroku-buildpack-ruby-jekyll,phusion/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,Git-Host/prelang-buildpack,gls1/heroku-buildpack-ruby-pdftk,orlando/heroku-buildpack-ruby,ruby/heroku-buildpack-www-ruby-lang,instacart/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,heroku/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,hpcloud/ruby-buildpack,space150/heroku-buildpack-ruby,dlorson/gentle-buildpack,crdschurch/heroku-buildpack-ruby,pietrop/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,takii/db2rubybuildpack,awebneck/heroku-buildpack-canvas,simonnordberg/heroku-buildpack-ruby,sky-uk/help-heroku-buildpack,ibmdb/db2rubybuildpack,qnyp/heroku-buildpack-ruby-bower,cloudfoundry/ruby-buildpack,dtao/deft-buildpack-ruby,barakav/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,zidekmat/buildpack-ruby,ibmdb/db2rubybuildpack,andycroll/heroku-buildpack-jekyll,righi/instacart-heroku-buildpack,cloudControl/buildpack-ruby,donnykurnia/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,CPPWind/ruby-buildpack,gbenedict/heroku-buildpack-ruby,fgbreel/heroku-buildpack-ruby,recursecenter/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,engineyard/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,trumaker/heroku-buildpack-turbo-sprockets,daltonrenaldo/heroku-buildpack-ruby,cloudn/buildpack-ruby,catalyzeio/buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,cloudn/buildpack-ruby,takii/db2rubybuildpack,hixi/heroku-buildpack-ruby,Altoros/ruby-buildpack,mattwalters/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,bellycard/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,samfrench/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,fcruxen/ruby-buildpack,tenjikinc/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,leonardykris/mos-ruby-buildpack,d-reinhold/cf-buildpack-ruby,samfrench/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,schu/buildpack-testing,qstream/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,Dim25/heroku-buildpack-ruby-GSL,takii/heroku-buildpack-ruby,dtao/deft-buildpack-ruby,awebneck/heroku-buildpack-canvas,stefansundin/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,sstelfox/buildpack-ruby,jumptvs/BP_Ruby,pkgr/heroku-buildpack-ruby,Altoros/ruby-buildpack,tdenovan/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,brightbytes/heroku-buildpack-ruby-without-assets-precompile,CPPWind/ruby-buildpack,space150/heroku-buildpack-ruby,orlando/heroku-buildpack-ruby,Scalingo/ruby-buildpack,gls1/heroku-buildpack-ruby-pdftk-new,sky-uk/help-heroku-buildpack,takii/db2rubybuildpack,KoanHealth/heroku-buildpack-marvin-setup,engineyard/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,jonseaberg/heroku-buildpack-turbo-sprockets,musicglue/heroku-buildpack-ruby,DouglasAllen/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,cordata/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,derrek/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,Altoros/ruby-buildpack,cloudControl/buildpack-ruby,fcruxen/ruby-buildpack,mintybit/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,hixi/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,erintherad/heroku-buildpack-ruby,daltonrenaldo/heroku-buildpack-ruby,Altoros/ruby-buildpack,anay/buildpack-ruby-with-oracle-jdk,takii/heroku-buildpack-ruby,ablease/custom-buildpack,dieze/heroku-buildpack-ruby-hooks,ltrademark/heroku-buildpack-ruby,beydogan/ruby-buildpack,cloudfoundry/ruby-buildpack,KoanHealth/heroku-buildpack-marvin-setup,pietrop/heroku-buildpack-ruby,bellycard/heroku-buildpack-ruby,Micka33/heroku-buildpack-ruby-liblua,moneyadviceservice/heroku-buildpack-ruby-bowndler,makifund/heroku-buildpack-ruby,scottatron/moc-buildpack,Jonty/ruby-buildpack,recursecenter/heroku-buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,qstream/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,iamjarvo/ruby-buildpack,andycroll/heroku-buildpack-jekyll,jumptvs/BP_Ruby,michaelphines/alexa-nest,cmaggard/heroku-buildpack-turbo-sprockets,shuber/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,sky-uk/ruby-buildpack,mrhenry/heroku-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,bskyb-commerce/help-heroku-buildpack,DyegoCosta/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,catalyzeio/buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,ekaranto/rails4-bluemix-buildpack,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,reesio/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,fcruxen/ruby-buildpack,mrhenry/heroku-buildpack-ruby,dtao/teeny-buildpack,tdenovan/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,DouglasAllen/heroku-buildpack-ruby,CPPWind/ruby-buildpack,redhotvengeance/heroku-buildpack-deep-thought,lyoshenka/heroku-buildpack-ruby-jekyll,icelab/heroku-buildpack-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,Scalingo/ruby-buildpack,codykrieger/heroku-buildpack-jekyll,vhx/heroku-buildpack,michaelphines/alexa-nest,cloudfoundry/ruby-buildpack,diasks2/heroku-buildpack-mecab,beydogan/ruby-buildpack,electricobjects/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,pkgr/heroku-buildpack-ruby,orenyk/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,redhotvengeance/heroku-buildpack-deep-thought,jonasoberschweiber/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,ablease/custom-buildpack,leonardykris/mos-ruby-buildpack,ericboehs/heroku-buildpack-ruby,cloudn/buildpack-ruby,simonnordberg/heroku-buildpack-ruby,wakermahmud/heroku-buildpack-jekyll,gbenedict/heroku-buildpack-ruby,zidekmat/buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,tpope/heroku-buildpack-ruby-tpope,wakermahmud/heroku-buildpack-jekyll,ericroberts/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,tenjikinc/heroku-buildpack-ruby,HYPERHYPER/heroku-buildpack-ruby,jumptvs/BP_Ruby,jonasoberschweiber/heroku-buildpack-ruby,fcruxen/ruby-buildpack,amaltson/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,derrek/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,sky-uk/ruby-buildpack,fgbreel/heroku-buildpack-ruby,Jonty/ruby-buildpack,dtao/teeny-buildpack,blueapron/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,jumptvs/BP_Ruby,bwaite-jaroop/heroku-buildpack-ruby,ilpoldo/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,jasonlevens/heroku-buildpack-ruby,dleavitt/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,sky-uk/ruby-buildpack,righi/instacart-heroku-buildpack,tpope/heroku-buildpack-ruby-tpope,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,schu/buildpack-testing,hpcloud/ruby-buildpack,cmaggard/heroku-buildpack-turbo-sprockets,schu/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,cloudn/buildpack-ruby,schu/heroku-buildpack-ruby,sky-uk/ruby-buildpack,mattwalters/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,guidance-guarantee-programme/heroku-buildpack-princexml-old,ekaranto/rails4-bluemix-buildpack,icelab/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,heroku/heroku-buildpack-ruby,dlorson/gentle-buildpack,codykrieger/heroku-buildpack-jekyll,hpcloud/ruby-buildpack,jayshreeanand/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,HYPERHYPER/heroku-buildpack-ruby,mintybit/heroku-buildpack-ruby,vhx/heroku-buildpack,ascot21/heroku-buildpack-turbo-sprockets,zunda/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,anay/buildpack-ruby-with-oracle-jdk,Git-Host/prelang-buildpack,amaltson/heroku-buildpack-ruby,aarongray/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,brightbytes/heroku-buildpack-ruby-without-assets-precompile,bskyb-commerce/ruby-buildpack,ablease/custom-buildpack,sstelfox/buildpack-ruby,swipesense/heroku-buildpack-ruby,orenyk/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,swipesense/heroku-buildpack-ruby,hpcloud/ruby-buildpack,electricobjects/heroku-buildpack-ruby,Jonty/ruby-buildpack,cordata/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,crdschurch/heroku-buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,Micka33/heroku-buildpack-ruby-liblua,diasks2/heroku-buildpack-mecab,mperejda/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,trumaker/heroku-buildpack-turbo-sprockets,jasonlevens/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,scottatron/moc-buildpack,DigitalInnovation/heroku-buildpack-mslabs,jeremyvdw/heroku-buildpack-ruby-jekyll,rvizza/heroku-buildpack-gsl-ruby,aarongray/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new