display the ruby version change to the user
display the ruby version change to the user

cloudfoundry/ruby-buildpack,sky-uk/ruby-buildpack,tenjikinc/heroku-buildpack-ruby,ericroberts/heroku-buildpack-ruby,AdStage/heroku-buildpack-ruby,cloudn/buildpack-ruby,jumptvs/BP_Ruby,leonardykris/mos-ruby-buildpack,hpcloud/heroku-buildpack-ruby,barakav/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,bskyb-commerce/help-heroku-buildpack,jumptvs/BP_Ruby,AdStage/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,allomov/fat-free-heroku-buildpack-ruby,fcruxen/ruby-buildpack,pietrop/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,dtao/teeny-buildpack,bellycard/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,hixi/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,awebneck/heroku-buildpack-canvas,simonnordberg/heroku-buildpack-ruby,hellojustin/heroku-buildpack-custom-ruby,tpope/heroku-buildpack-ruby-tpope,hixi/heroku-buildpack-ruby,schu/heroku-buildpack-ruby,bwaite-jaroop/heroku-buildpack-ruby,ekaranto/rails4-bluemix-buildpack,jumptvs/BP_Ruby,righi/instacart-heroku-buildpack,ltrademark/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,DigitalInnovation/heroku-buildpack-mslabs,pietrop/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,dleavitt/heroku-buildpack-ruby,pilotcreative/heroku-buildpack-ruby,ericboehs/heroku-buildpack-ruby,instacart/heroku-buildpack-ruby,codykrieger/heroku-buildpack-jekyll,hatofmonkeys/ruby-testing-buildpack,makifund/heroku-buildpack-ruby,dlorson/gentle-buildpack,takii/heroku-buildpack-ruby,jgarber/heroku-buildpack-ruby-octopress,qstream/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,hatofmonkeys/ruby-testing-buildpack,daltonrenaldo/heroku-buildpack-ruby,swipesense/heroku-buildpack-ruby,guidance-guarantee-programme/heroku-buildpack-princexml-old,ascot21/heroku-buildpack-turbo-sprockets,sgnpa/heroku-buildpack-cas,sky-uk/help-heroku-buildpack,CPPWind/ruby-buildpack,iamjarvo/ruby-buildpack,cloudn/buildpack-ruby,dleavitt/heroku-buildpack-ruby,donnykurnia/heroku-buildpack-ruby,mattwalters/heroku-buildpack-ruby,jayshreeanand/heroku-buildpack-ruby,hatofmonkeys/ruby-testing-buildpack,orlando/heroku-buildpack-ruby,lemurheavy/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,sanemat/heroku-buildpack-ruby-tachikoma,amaltson/heroku-buildpack-ruby,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,ActiveState/heroku-buildpack-ruby,mattmanning/heroku-buildpack-ruby-jekyll,mattwalters/heroku-buildpack-ruby,takii/db2rubybuildpack,lyoshenka/heroku-buildpack-ruby-jekyll,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,tdenovan/heroku-buildpack-ruby,tenjikinc/heroku-buildpack-ruby,Scalingo/ruby-buildpack,ChefSteps/heroku-buildpack-ruby,zidekmat/buildpack-ruby,ascot21/heroku-buildpack-turbo-sprockets,jasonlevens/heroku-buildpack-ruby,mperejda/heroku-buildpack-ruby,progrium/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,ablease/custom-buildpack,aarongray/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,fcruxen/ruby-buildpack,Nedomas/heroku-buildpack-ruby-minus-node-with-node-paths,jgable/buildpack-ruby-rack-setup-tasks,sky-uk/ruby-buildpack,zidekmat/buildpack-ruby,sstelfox/buildpack-ruby,jgarber/heroku-buildpack-ruby-octopress,davidjrice/heroku-buildpack-couchbase-ruby,samfrench/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,nicholasmott/heroku-buildpack-octopress,Altoros/ruby-buildpack,derrek/heroku-buildpack-ruby,CPPWind/ruby-buildpack,bellycard/heroku-buildpack-ruby,catalyzeio/buildpack-ruby,Jonty/ruby-buildpack,schu/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,hpcloud/ruby-buildpack,pilotcreative/heroku-buildpack-ruby,ibmdb/db2rubybuildpack,hpcloud/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,takii/db2rubybuildpack,sky-uk/help-heroku-buildpack,daltonrenaldo/heroku-buildpack-ruby,amaltson/heroku-buildpack-ruby,tdenovan/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,ablease/custom-buildpack,beydogan/ruby-buildpack,jgarber/heroku-buildpack-ruby-octopress,DigitalInnovation/heroku-buildpack-mslabs,redhotvengeance/heroku-buildpack-deep-thought,dlorson/gentle-buildpack,Genius/heroku-buildpack-ruby,AdStage/heroku-buildpack-ruby,qstream/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,ActiveState/heroku-buildpack-ruby,jeremyvdw/heroku-buildpack-ruby-jekyll,trumaker/heroku-buildpack-turbo-sprockets,nicholasmott/heroku-buildpack-octopress,anay/buildpack-ruby-with-oracle-jdk,tomwolfe/heroku-buildpack-gsl-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,vhx/heroku-buildpack,hpcloud/ruby-buildpack,jonseaberg/heroku-buildpack-turbo-sprockets,darron/heroku-buildpack-ruby-jekyll,dieze/heroku-buildpack-ruby-hooks,ilpoldo/heroku-buildpack-ruby,Jonty/ruby-buildpack,anay/buildpack-ruby-with-oracle-jdk,travis-ci/heroku-buildpack-ruby,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,zoomer/heroku-buildpack-ruby-bower,iamjarvo/ruby-buildpack,progrium/heroku-buildpack-ruby,zoomer/heroku-buildpack-ruby-bower,Scalingo/ruby-buildpack,cloudControl/buildpack-ruby,codykrieger/heroku-buildpack-jekyll,jumptvs/BP_Ruby,cmaggard/heroku-buildpack-turbo-sprockets,engineyard/heroku-buildpack-ruby,sstelfox/buildpack-ruby,hausdorff/heroku-buildpack-ruby-jekyll,Dim25/heroku-buildpack-ruby-GSL,takii/db2rubybuildpack,d-reinhold/cf-buildpack-ruby,lemurheavy/heroku-buildpack-ruby,packetmonkey/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,Git-Host/prelang-buildpack,bwaite-jaroop/heroku-buildpack-ruby,adaptivelab/heroku-buildpack-adaptivelab-website-2,gbenedict/heroku-buildpack-ruby,vhx/heroku-buildpack,andycroll/heroku-buildpack-jekyll,hpcloud/ruby-buildpack,ruby/heroku-buildpack-www-ruby-lang,trumaker/heroku-buildpack-turbo-sprockets,dtao/deft-buildpack-ruby,pkgr/buildpack-ruby-precise-old,KoanHealth/heroku-buildpack-marvin-setup,aarongray/heroku-buildpack-ruby,sgnpa/heroku-buildpack-cas,HYPERHYPER/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,pkgr/heroku-buildpack-ruby,cloudn/buildpack-ruby,diasks2/heroku-buildpack-mecab,wakermahmud/heroku-buildpack-jekyll,michaelphines/alexa-nest,phusion/heroku-buildpack-ruby,redhotvengeance/heroku-buildpack-deep-thought,lyoshenka/heroku-buildpack-ruby-jekyll,jayshreeanand/heroku-buildpack-ruby,Altoros/ruby-buildpack,Micka33/heroku-buildpack-ruby-liblua,darron/heroku-buildpack-ruby-jekyll,davidjrice/heroku-buildpack-couchbase-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,electricobjects/heroku-buildpack-ruby,dieze/heroku-buildpack-ruby-hooks,ibmdb/db2rubybuildpack,simonnordberg/heroku-buildpack-ruby,scottatron/moc-buildpack,schu/buildpack-testing,cloudfoundry/ruby-buildpack,rvizza/heroku-buildpack-gsl-ruby,crdschurch/heroku-buildpack-ruby,CPPWind/ruby-buildpack,ekaranto/rails4-bluemix-buildpack,mintybit/heroku-buildpack-ruby,ChefSteps/heroku-buildpack-ruby,cloudfoundry/ruby-buildpack,icelab/heroku-buildpack-ruby,stolt45/heroku-buildpack-ruby-with-sqlite3,sanemat/heroku-buildpack-ruby-tachikoma,DouglasAllen/heroku-buildpack-ruby,centresource/heroku-buildpack-turbo-sprockets-pmp-ffm,righi/instacart-heroku-buildpack,guidance-guarantee-programme/heroku-buildpack-princexml-old,wakermahmud/heroku-buildpack-jekyll,phusion/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,orenyk/heroku-buildpack-ruby,adaptivelab/heroku-buildpack-adaptivelab-website-2,shuber/heroku-buildpack-ruby,blueapron/heroku-buildpack-ruby,gbenedict/heroku-buildpack-ruby,jgable/buildpack-ruby-rack-setup-tasks,ablease/custom-buildpack,sky-uk/ruby-buildpack,Jonty/ruby-buildpack,0x00evil/heroku-buildpack-ruby,davidjrice/heroku-buildpack-couchbase-ruby,space150/heroku-buildpack-ruby,pkgr/buildpack-ruby-precise-old,mintybit/heroku-buildpack-ruby,Altoros/ruby-buildpack,rhomobile/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,moneyadviceservice/heroku-buildpack-ruby-bowndler,Git-Host/prelang-buildpack,ericboehs/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,Altoros/ruby-buildpack,iamjarvo/ruby-buildpack,swipesense/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,derrek/heroku-buildpack-ruby,d-reinhold/cf-buildpack-ruby,cloudControl/buildpack-ruby,bskyb-commerce/ruby-buildpack,mperejda/heroku-buildpack-ruby,reesio/heroku-buildpack-ruby,DyegoCosta/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,wolfoo2931/heroku-buildpack-ruby-2a352ae,recursecenter/heroku-buildpack-ruby,space150/heroku-buildpack-ruby,zunda/heroku-buildpack-ruby,nicholasmott/heroku-buildpack-octopress,brightbytes/heroku-buildpack-ruby-without-assets-precompile,diasks2/heroku-buildpack-mecab,fcruxen/ruby-buildpack,CPPWind/ruby-buildpack,hellojustin/heroku-buildpack-custom-ruby,recursecenter/heroku-buildpack-ruby,0x00evil/heroku-buildpack-ruby,Numerico/heroku-buildpack-ruby,phusion/heroku-buildpack-ruby,shuber/heroku-buildpack-ruby,ltrademark/heroku-buildpack-ruby,Dim25/heroku-buildpack-ruby-GSL,blueapron/heroku-buildpack-ruby,samfrench/heroku-buildpack-ruby,lemurheavy/heroku-buildpack-ruby,awebneck/heroku-buildpack-canvas,beydogan/ruby-buildpack,mattmanning/heroku-buildpack-ruby-jekyll,tpope/heroku-buildpack-ruby-tpope,moneyadviceservice/heroku-buildpack-ruby-bowndler,ericroberts/heroku-buildpack-ruby,mrhenry/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,andycroll/heroku-buildpack-jekyll,DouglasAllen/heroku-buildpack-ruby,engineyard/heroku-buildpack-ruby,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,cordata/heroku-buildpack-ruby,sanemat/heroku-buildpack-ruby-tachikoma,DyegoCosta/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,rowanoulton/heroku-buildpack-ruby,tomwolfe/heroku-buildpack-gsl-ruby,crdschurch/heroku-buildpack-ruby,musicglue/heroku-buildpack-ruby,bskyb-commerce/ruby-buildpack,musicglue/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,travis-ci/heroku-buildpack-ruby,hpcloud/heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,donnykurnia/heroku-buildpack-ruby,bskyb-commerce/help-heroku-buildpack,leonardykris/mos-ruby-buildpack,progrium/heroku-buildpack-ruby,fgbreel/heroku-buildpack-ruby,jasonlevens/heroku-buildpack-ruby,michaelphines/alexa-nest,dtao/teeny-buildpack,thewebguy/heroku-buildpack-ruby-ffmpeg-libsndfile,fcruxen/ruby-buildpack,KoanHealth/heroku-buildpack-marvin-setup,allomov/fat-free-heroku-buildpack-ruby,WilliamDenniss/heroku-buildpack-ruby-imagemagick,sgnpa/heroku-buildpack-cas,cloudn/buildpack-ruby,orenyk/heroku-buildpack-ruby,dtao/deft-buildpack-ruby,scottatron/moc-buildpack,cmaggard/heroku-buildpack-turbo-sprockets,HYPERHYPER/heroku-buildpack-ruby,teodor-pripoae/heroku-buildpack-ruby,rhomobile/heroku-buildpack-ruby,cordata/heroku-buildpack-ruby,instacart/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,barakav/heroku-buildpack-ruby,erintherad/heroku-buildpack-ruby,markaschneider/heroku-buildpack-ruby-ffmpeg-sox,Jonty/ruby-buildpack,fgbreel/heroku-buildpack-ruby,rvizza/heroku-buildpack-gsl-ruby,jonseaberg/heroku-buildpack-turbo-sprockets,zunda/heroku-buildpack-ruby,ndbroadbent/heroku-buildpack-turbo-sprockets,Micka33/heroku-buildpack-ruby-liblua,takii/heroku-buildpack-ruby,pkgr/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk-new,pkgr/buildpack-ruby-precise-old,orlando/heroku-buildpack-ruby,qnyp/heroku-buildpack-ruby-bower,hausdorff/heroku-buildpack-ruby-jekyll,ablease/custom-buildpack,icelab/heroku-buildpack-ruby,stefansundin/heroku-buildpack-ruby,jonasoberschweiber/heroku-buildpack-ruby,gls1/heroku-buildpack-ruby-pdftk,schu/buildpack-testing,ilpoldo/heroku-buildpack-ruby,sky-uk/ruby-buildpack,jeremyvdw/heroku-buildpack-ruby-jekyll,electricobjects/heroku-buildpack-ruby,iamjarvo/ruby-buildpack,ibmdb/db2rubybuildpack,takii/db2rubybuildpack,erintherad/heroku-buildpack-ruby