Fix index generator for apt/yum packages
Fix index generator for apt/yum packages

Some @_@ characters could become visible if filename is longer than 44
characters.

Signed-off-by: Tibor Vass <3f1326dff4d85ad4ec938fb33f64575ace96db26@docker.com>

msabansal/docker,sanjeo/docker,rhatdan/storage,jlhawn/docker,phiroict/docker,inatatsu/docker,tpounds/docker,thaJeztah/docker.github.io,umerazad/docker,AkihiroSuda/docker,gnailuy/docker,Altiscale/docker,sanjeo/docker,errordeveloper/docker,lixiaobing1/docker,kolyshkin/docker,anweiss/docker.github.io,docker/docker,unclejack/docker,laijs/moby,ZJU-SEL/docker,davinashreddy/docker,portworx/docker,djs55/docker,izarov/docker,thaJeztah/docker,gschaetz/moby,denverdino/docker.github.io,bluebreezecf/docker,HackToday/docker,shhsu/docker,liaoqingwei/docker,bluebreezecf/docker,fcrisciani/docker,estesp/docker,sarnautov/moby,splunk/docker,TheBigBear/docker,estesp/docker,cloudflare/docker,jzwlqx/denverdino.github.io,rhatdan/docker,endophage/docker,jhorwit2/docker,JimGalasyn/docker.github.io,haveatry/docker,ivansaracino/docker,dongjoon-hyun/docker,sarnautov/moby,KarthikNayak/docker,kojiromike/docker,gdevillele/docker.github.io,allencloud/docker,allencloud/docker,dgageot/docker,pyotr777/docker,HackToday/docker,noironetworks/docker,mgoelzer/docker,TrumanLing/docker,prertik/docker,rkazak/docker,ColinHebert/docker,anweiss/docker.github.io,kolyshkin/moby,KingEmet/docker,yosifkit/docker,13W/docker,mixja/docker,qudongfang/docker,noironetworks/docker,moby/moby,jwhonce/docker,tophj-ibm/moby,Mokolea/docker,medallia/docker,laijs/moby,wenchma/docker,yosifkit/docker,wenchma/docker,lixiaobing1/docker,duglin/docker,dnephin/docker,justincormack/docker,cpuguy83/docker,konstruktoid/docker-1,jzwlqx/denverdino.github.io,harche/docker,johnstep/docker.github.io,coreos/docker,paralin/docker,Microsoft/docker,davinashreddy/docker,moul/docker,rillig/docker.github.io,moypray/docker,laijs/moby,shin-/docker.github.io,rhardih/docker,jthelin/docker,imkin/moby,docker/docker.github.io,nawawi/docker,yummypeng/docker,BSWANG/denverdino.github.io,yongtang/docker,LaynePeng/docker,LaynePeng/docker,prertik/docker,JimGalasyn/docker.github.io,danyalKhaliq10p/moby,tmp6154/docker,jimjag/docker,dperny/docker,Mashimiao/docker,tophj-ibm/docker,catinthesky/docker,cnaize/docker,dgageot/docker,alexisbellido/docker.github.io,scollier/docker,anujbahuguna/docker,johnstep/docker.github.io,justincormack/docker,Mashimiao/docker,yp-engineering/docker,dsau/docker,gdevillele/docker.github.io,madhanrm/docker,thtanaka/docker,isubuz/docker,YuPengZTE/docker,Tenk42/docker,denverdino/docker.github.io,mgoelzer/docker,erikstmartin/docker,contiv/docker,KarthikNayak/docker,abhinavdahiya/docker,gdevillele/docker.github.io,ffoysal/docker,DoraALin/docker,kerneltime/docker,bluebreezecf/docker,nawawi/docker,liaoqingwei/docker,hustcat/docker,SvenDowideit/docker,joeuo/docker.github.io,twaugh/docker,lixiaobing10051267/docker,kunalkushwaha/docker,dccurtis/docker,endophage/docker,abhinavdahiya/docker,ajaymdesai/docker,inatatsu/docker,BenHall/docker,justyntemme/docker,tmp6154/docker,shubheksha/docker.github.io,troy0820/docker.github.io,x1022as/docker,x1022as/docker,xuxinkun/docker,johnstep/moby-moby,konstruktoid/docker-upstream,kencochrane/docker,scotttlin/docker,rhatdan/docker,afein/docker,OnePaaS/docker,docker-zh/docker.github.io,Mokolea/docker,alfred-landrum/docker,icaoweiwei/docker,docker/docker,dmcgowan/docker,charleszheng44/moby,portworx/docker,zhuguihua/docker,denverdino/denverdino.github.io,JMesser81/docker,troy0820/docker.github.io,sanscontext/docker.github.io,dsau/docker,joaofnfernandes/docker.github.io,containers/storage,jimjag/docker,erikstmartin/docker,pecameron/docker,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,geekylucas/docker,pradipd/moby,SvenDowideit/docker,solganik/docker,rremer/moby,OnePaaS/docker,cyli/docker,laijs/docker,anweiss/docker.github.io,jongiddy/docker,qudongfang/docker,rancher/docker,mikebrow/docker,whuwxl/docker,contiv/docker,OnePaaS/docker,davinashreddy/docker,q384566678/docker,moxiegirl/docker,BSWANG/denverdino.github.io,rremer/moby,Syntaxide/docker,eskaaren/docker,luxas/docker,thaJeztah/docker.github.io,bonczj/moby-json-file-logger,naveed-jamil-tenpearls/moby,charleswhchan/docker,paralin/docker,rancher/docker,TrumanLing/docker,gigidwan/docker,solganik/docker,jvanz/docker,shishir-a412ed/docker,anujbahuguna/docker,ZJUshuaizhou/docker,Morsicus/docker,medallia/docker,crosbymichael/docker,JMesser81/docker,Microsoft/docker,joaofnfernandes/docker.github.io,noxiouz/docker,mtanlee/docker,nghiant2710/docker,Altiscale/docker,hqhq/moby,xiaods/docker,srust/docker,djs55/docker,nalind/docker,trebonian/docker,LuisBosquez/docker.github.io,cyphar/docker,rhatdan/docker,PatrickLang/moby,lixiaobing10051267/docker,jameszhan/docker,moxiegirl/docker,londoncalling/docker.github.io,erikh/docker,shin-/docker.github.io,gjaskiewicz/moby,jc-m/docker,scollier/docker,moby/moby,jlebon/docker,joaofnfernandes/docker.github.io,pramodhkp/moby,vdemeester/docker,dgageot/docker,kerneltime/docker,shishir-a412ed/docker,HideoYamauchi/docker,danix800/docker.github.io,mahak/docker,troy0820/docker.github.io,jzwlqx/denverdino.github.io,resin-io/docker,q384566678/docker,Morsicus/docker,sanscontext/docker.github.io,hypriot/docker,lixiaobing1/docker,Mashimiao/docker,vijaykilari/docker,sheimi/docker,denverdino/denverdino.github.io,konstruktoid/docker-upstream,cyli/docker,yongtang/docker,tophj-ibm/docker,ajaymdesai/docker,13W/docker,docker-zh/docker.github.io,jongiddy/docker,eskaaren/docker,toli/docker,sterchelen/docker,ckeyer/docker,brahmaroutu/docker,ibuildthecloud/docker,BenHall/docker,alfred-landrum/docker,mstanleyjones/docker,mike1729/docker,icecrime/docker,splunk/docker,pramodhkp/moby,HideoYamauchi/docker,Ramzec/docker,inatatsu/docker,stevvooe/docker,cmehay/docker-1,michelvocks/docker,nawawi/docker,izarov/docker,runcom/docker,joaofnfernandes/docker.github.io,shubheksha/docker.github.io,shhsu/docker,medallia/docker,thtanaka/docker,SvenDowideit/docker,jlhawn/docker,isubuz/docker,nalind/docker,laijs/docker,joeuo/docker.github.io,toli/docker,tagomoris/docker,cmehay/docker-1,whuwxl/docker,ajaymdesai/docker,ffoysal/docker,kojiromike/docker,dims/docker,jameszhan/docker,duglin/docker,aduermael/docker.github.io,kunalkushwaha/docker,13W/docker,BSWANG/denverdino.github.io,lixiaobing10051267/docker,twaugh/docker,ZJUshuaizhou/docker,menglingwei/denverdino.github.io,q384566678/docker,dsau/docker,sunyuan3/docker,tophj-ibm/moby,pyotr777/docker,jecarey/docker,alexisbellido/docker.github.io,cyli/docker,justyntemme/docker,rillig/docker.github.io,nawawi/docker,kunalkushwaha/docker,icaoweiwei/docker,hypriot/docker,anortef/docker,kolyshkin/moby,akira-baruah/docker,sfsmithcha/docker,raja-sami-10p/moby,ailispaw/docker,prertik/docker,catinthesky/docker,stainboy/docker,HuKeping/docker,shhsu/docker,jwhonce/docker,willmtemple/docker,gnailuy/docker,LuisBosquez/docker.github.io,mikebrow/docker,yongtang/docker,fcrisciani/docker,stevvooe/docker,anujbahuguna/docker,menglingwei/denverdino.github.io,tklauser/docker,vdemeester/docker,harche/docker,hqhq/moby,dmcgowan/docker,jameszhan/docker,YujiOshima/docker,naveed-jamil-tenpearls/moby,mkumatag/docker,alfred-landrum/docker,thtanaka/docker,bdwill/docker.github.io,KingEmet/docker,moxiegirl/docker,erikh/docker,mtesselH/docker,luxas/docker,stevvooe/docker,thaJeztah/docker,YuPengZTE/docker,AkihiroSuda/docker,konstruktoid/docker-upstream,sean-jc/docker,raja-sami-10p/moby,rhardih/docker,tpounds/docker,darrenstahlmsft/moby,solganik/docker,moypray/docker,bearstech/moby,JMesser81/docker,jvanz/docker,ckeyer/docker,jongiddy/docker,msabansal/docker,diogomonica/docker,bonczj/moby-json-file-logger,maxamillion/docker,tonistiigi/docker,akira-baruah/docker,mikebrow/docker,docker/docker.github.io,trebonian/docker,hustcat/docker,HuKeping/docker,jzwlqx/denverdino.github.io,mstanleyjones/docker,fsoppelsa/docker,mstanleyjones/docker,mkumatag/docker,bdwill/docker.github.io,docker/docker.github.io,cmehay/docker-1,mathewkoshy493/docker,pradipd/moby,ndeloof/docker,willmtemple/docker,mtanlee/docker,nguyentm83/docker,yasiramin10p/moby,moypray/docker,kencochrane/docker,jc-m/docker,mixja/docker,mohmost12/docker,londoncalling/docker.github.io,ndeloof/docker,kencochrane/docker,bfirsh/docker,menglingwei/denverdino.github.io,ibuildthecloud/docker,jecarey/docker,x1022as/docker,charleswhchan/docker,harche/docker,ailispaw/docker,darrenstahlmsft/moby,HuKeping/docker,haveatry/docker,londoncalling/docker.github.io,srust/docker,mike1729/docker,tianon/docker,sdurrheimer/docker,maxamillion/docker,eskaaren/docker,sfsmithcha/docker,pradipd/moby,sunyuan3/docker,tagomoris/docker,shin-/docker.github.io,ffoysal/docker,docker/docker.github.io,icecrime/docker,yummypeng/docker,michael-holzheu/docker,flavio/docker,laijs/docker,michael-holzheu/docker,cloudflare/docker,yasiramin10p/moby,sunyuan3/docker,docker-zh/docker.github.io,bearstech/moby,sdurrheimer/docker,dsheets/moby,cr7pt0gr4ph7/docker,denverdino/denverdino.github.io,danix800/docker.github.io,afein/docker,LuisBosquez/docker.github.io,brahmaroutu/docker,coreos/docker,crosbymichael/docker,cyphar/docker,Syntaxide/docker,pecameron/docker,troy0820/docker.github.io,coreos/docker,madhanrm/docker,noxiouz/docker,shin-/docker.github.io,dsheets/moby,dongjoon-hyun/docker,projectatomic/docker,imkin/moby,bfirsh/docker,scotttlin/docker,bearstech/moby,ibuildthecloud/docker,docker-zh/docker.github.io,duglin/docker,raja-sami-10p/moby,michelvocks/docker,sdurrheimer/docker,jc-m/docker,splunk/docker,projectatomic/docker,umerazad/docker,resin-io/docker,sean-jc/docker,xiaods/docker,hqhq/moby,sarnautov/moby,flavio/docker,shubheksha/docker.github.io,bdwill/docker.github.io,liaoqingwei/docker,phiroict/docker,msabansal/docker,phiroict/docker,TheBigBear/docker,KingEmet/docker,mikedougherty/docker,unclejack/docker,justyntemme/docker,menglingwei/denverdino.github.io,JimGalasyn/docker.github.io,runcom/docker,aduermael/docker.github.io,anweiss/docker.github.io,danix800/docker.github.io,moul/docker,stainboy/docker,denverdino/denverdino.github.io,yosifkit/docker,sheimi/docker,YujiOshima/docker,HackToday/docker,rancher/docker,abhinavdahiya/docker,contiv/docker,flavio/docker,gnailuy/docker,dims/docker,umerazad/docker,containers/storage,imkin/moby,jimjag/docker,gdevillele/docker.github.io,asbjornenge/docker,YujiOshima/docker,coolljt0725/docker,trebonian/docker,nalind/docker,Mokolea/docker,cr7pt0gr4ph7/docker,nguyentm83/docker,shubheksha/docker.github.io,asbjornenge/docker,moul/docker,mohmost12/docker,mathewkoshy493/docker,sterchelen/docker,dperny/docker,ndeloof/docker,qudongfang/docker,moul/docker,denverdino/docker.github.io,containers/storage,vdemeester/docker,xuxinkun/docker,sean-jc/docker,hustcat/docker,tophj-ibm/docker,anortef/docker,vijaykilari/docker,rkazak/docker,xiekeyang/docker,ibuildthecloud/docker,tonistiigi/docker,mohmost12/docker,dperny/docker,AkihiroSuda/docker,YuPengZTE/docker,sanscontext/docker.github.io,sterchelen/docker,tianon/docker,miminar/docker,kerneltime/docker,pramodhkp/moby,nghiant2710/docker,tpounds/docker,errordeveloper/docker,geekylucas/docker,gigidwan/docker,madhanrm/docker,charleswhchan/docker,portworx/docker,sanscontext/docker.github.io,TrumanLing/docker,joaofnfernandes/docker.github.io,rremer/moby,asbjornenge/docker,anortef/docker,denverdino/docker.github.io,tmp6154/docker,cloudflare/docker,tkopczynski/docker,jhorwit2/docker,jvanz/docker,Mokolea/docker,pecameron/docker,ripcurld0/moby,coolljt0725/docker,gschaetz/moby,Ramzec/docker,ripcurld0/moby,14rcole/docker,achanda/docker,dccurtis/docker,fcrisciani/docker,rillig/docker.github.io,docker/docker,Shopify/docker,moby/moby,darrenstahlmsft/moby,rhatdan/storage,konstruktoid/docker-upstream,Morsicus/docker,ColinHebert/docker,srust/docker,alexisbellido/docker.github.io,Syntaxide/docker,amatsus/docker,thaJeztah/docker.github.io,johnstep/moby-moby,ibuildthecloud/docker,mahak/docker,Ramzec/docker,miminar/docker,djs55/docker,maxamillion/docker,geekylucas/docker,Altiscale/docker,cnaize/docker,Tenk42/docker,gdevillele/docker.github.io,joeuo/docker.github.io,kojiromike/docker,coolljt0725/docker,johnstep/moby-moby,konstruktoid/docker-1,miminar/docker,danix800/docker.github.io,noxiouz/docker,allencloud/docker,docker/docker.github.io,achanda/docker,gjaskiewicz/moby,phiroict/docker,sanjeo/docker,mtanlee/docker,tkopczynski/docker,fsoppelsa/docker,BenHall/docker,whuwxl/docker,flavio/docker,dnephin/docker,darrenstahlmsft/docker,mtesselH/docker,mahak/docker,LuisBosquez/docker.github.io,rhatdan/storage,justincormack/docker,erikh/docker,PatrickLang/moby,dims/docker,diogomonica/docker,joeuo/docker.github.io,PatrickLang/moby,danyalKhaliq10p/moby,cpuguy83/docker,paralin/docker,nghiant2710/docker,michael-holzheu/docker,luxas/docker,isubuz/docker,mixja/docker,cpuguy83/docker,twaugh/docker,cpuguy83/docker,gschaetz/moby,DoraALin/docker,wenchma/docker,13W/docker,bfirsh/docker,KarthikNayak/docker,mtrmac/docker,sheimi/docker,ivansaracino/docker,rkazak/docker,POLJM242/docker,runcom/docker,docker-zh/docker.github.io,menglingwei/denverdino.github.io,brahmaroutu/docker,shin-/docker.github.io,zhuguihua/docker,ripcurld0/moby,amatsus/docker,cr7pt0gr4ph7/docker,naveed-jamil-tenpearls/moby,yummypeng/docker,13W/docker,LuisBosquez/docker.github.io,konstruktoid/docker-1,xiaods/docker,dnephin/docker,joeuo/docker.github.io,aduermael/docker.github.io,gjaskiewicz/moby,ckeyer/docker,hypriot/docker,jthelin/docker,mahak/docker,denverdino/docker.github.io,HideoYamauchi/docker,diogomonica/docker,icaoweiwei/docker,achanda/docker,anweiss/docker.github.io,mike1729/docker,resin-io/docker,Ramzec/docker,mkumatag/docker,jlhawn/docker,yasiramin10p/moby,cnaize/docker,tagomoris/docker,charleszheng44/moby,ailispaw/docker,jwhonce/docker,bdwill/docker.github.io,johnstep/docker.github.io,gnailuy/docker,tkopczynski/docker,ivansaracino/docker,dccurtis/docker,JimGalasyn/docker.github.io,ZJU-SEL/docker,erikstmartin/docker,moby/moby,alexisbellido/docker.github.io,dsheets/moby,scotttlin/docker,toli/docker,kolyshkin/docker,noironetworks/docker,bonczj/moby-json-file-logger,mikedougherty/docker,projectatomic/docker,POLJM242/docker,gigidwan/docker,denverdino/denverdino.github.io,cyphar/docker,Tenk42/docker,14rcole/docker,TheBigBear/docker,sanscontext/docker.github.io,charleszheng44/moby,endophage/docker,phiroict/docker,michelvocks/docker,trebonian/docker,jlebon/docker,crosbymichael/docker,Shopify/docker,londoncalling/docker.github.io,thaJeztah/docker,DoraALin/docker,mtrmac/docker,mgoelzer/docker,JimGalasyn/docker.github.io,tklauser/docker,danyalKhaliq10p/moby,mathewkoshy493/docker,shubheksha/docker.github.io,fsoppelsa/docker,kolyshkin/moby,bearstech/moby,dmcgowan/docker,johnstep/docker.github.io,BSWANG/denverdino.github.io,ZJUshuaizhou/docker,mtesselH/docker,bdwill/docker.github.io,londoncalling/docker.github.io,medallia/docker,icecrime/docker,LaynePeng/docker,paralin/docker,Shopify/docker,mikedougherty/docker,BSWANG/denverdino.github.io,AkihiroSuda/docker,stainboy/docker,errordeveloper/docker,shishir-a412ed/docker,unclejack/docker,tophj-ibm/moby,afein/docker,haveatry/docker,xuxinkun/docker,ColinHebert/docker,mtrmac/docker,jlebon/docker,pyotr777/docker,yp-engineering/docker,estesp/docker,vijaykilari/docker,jhorwit2/docker,yosifkit/docker,catinthesky/docker,thaJeztah/docker,xiekeyang/docker,alexisbellido/docker.github.io,jimjag/docker,johnstep/docker.github.io,darrenstahlmsft/docker,darrenstahlmsft/docker,aduermael/docker.github.io,rillig/docker.github.io,xiekeyang/docker,izarov/docker,thaJeztah/docker.github.io,tonistiigi/docker,Microsoft/docker,dongjoon-hyun/docker,tklauser/docker,nalind/docker,willmtemple/docker,zhuguihua/docker,sfsmithcha/docker,yp-engineering/docker,amatsus/docker