packer/plugin: use chan struct{} for condition variable behavior
packer/plugin: use chan struct{} for condition variable behavior

jimmythedog/packer,jae2/packer,jae2/packer,taliesins/packer,dave2/packer,jszwedko/packer,danschaffer/packer,paulvollmer/packer,LinusU/packer,arizvisa/packer,yoctocloud/packer,esemplare/packer,danschaffer/packer,Akasurde/packer,justincampbell/packer,youhong316/packer,oliviertremblay/packer,atlassian/packer,hazelesque/packer,ldejager/packer,kpettijohn/packer,pecigonzalo/packer,mitchellh/packer,bhcleek/packer,jean/packer,yonglehou/packer,napramirez/packer,LinusU/packer,rnaveiras/packer,tas50/packer,orivej/packer,ephemeralsnow/packer,shaunduncan/packer,kpettijohn/packer,bensojona/packer,mkuzmin/packer,Sheile/packer,umang1912/packer,vtolstov/packer,rrva/packer,justincampbell/packer,rk295/packer,hazelesque/packer,rickard-von-essen/packer,kpettijohn/packer,dayglojesus/packer,vtolstov/packer,lantrix/packer,paulvollmer/packer,jamesleech/packer,p1-nico/packer,legal90/packer,eranchetz/packer,zhuzhih2017/packer,atlassian/packer,gildas/packer-hyperv,taliesins/packer,pecigonzalo/packer,dragon788/packer,kgrvamsi/packer,marc-ta/packer,marc-ta/packer,timsutton/packer,jamesbishopp/packer,tomwilkie/packer,marklap/packer,tracyde/packer,jen20/packer,danschaffer/packer,napramirez/packer,feateds/packer,markpeek/packer,avldya/packer,Cbeck527/packer,boumenot/packer,p1-nico/packer,smaato/packer,israelshirk/packer,lantrix/packer,Xiol/packer,pvandervelde/packer,danschaffer/packer,sean-/packer,ephemeralsnow/packer,routelastresort/packer,avldya/packer,dantran/packer,dragon788/packer,jszwedko/packer,bhcleek/packer,ephemeralsnow/packer,sequenceiq/packer,eranchetz/packer,fnoeding/packer,LinusU/packer,zeliff/packer,c22/packer,dieu/packer,mafrosis/packer,orivej/packer,vtolstov/packer,KohlsTechnology/packer,shaunduncan/packer,umang1912/packer,ChrisLundquist/packer,tas50/packer,sansb/packer,jarl-dk/packer,pvandervelde/packer,sneal/packer,yoctocloud/packer,pecigonzalo/packer,life360/packer,sneal/packer,mwhooker/packer,jamesleech/packer,zakuro9715/packer,pvandervelde/packer,AlphaStaxLLC/packer,mayflower/packer,tas50/packer,sgirones/packer,tracyde/packer,smaato/packer,mwhooker/packer,mkuzmin/packer,grubernaut/packer,paulmey/packer,hazelesque/packer,noplay/packer,legal90/packer,beni55/packer,qur/packer,ttaylor249/packer,sean-/packer,grange74/packer,KFishner/packer,pieter-lazzaro/packer,israelshirk/packer,mansunkuo/packer,samdunne/packer,jonathankarsh/packer,mvanholsteijn/packer,sobrinho/packer,hashicorp/packer,jmptrader/packer,AlphaStaxLLC/packer,atlassian/packer,tb3088/packer,avldya/packer,burnzy/packer,stagrlee/packer,tsmolka/packer,jsoriano/packer,DualSpark/packer,jean/packer,bensojona/packer,mohae/packer,qur/packer,noplay/packer,dave2/packer,tb3088/packer,c22/packer,BayanGroup/packer,Banno/packer,sneal/packer,sobrinho/packer,paulmey/packer,feateds/packer,ttaylor249/packer,umang1912/packer,manicai/packer,masbog/packer,rickard-von-essen/packer,boumenot/packer,oliviertremblay/packer,zhuzhih2017/packer,blairham/packer,dave2/packer,DualSpark/packer,pearkes/packer,mafrosis/packer,BayanGroup/packer,yonglehou/packer,sneal/packer,KohlsTechnology/packer,quantang/packer,blairham/packer,styro/packer,cyberhouse/packer,monkeylittleinc/packer,vtolstov/packer,mvanholsteijn/packer,boumenot/packer,mkuzmin/packer,grubernaut/packer,uber/packer,tomwilkie/packer,monkeylittleinc/packer,sequenceiq/packer,burnzy/packer,henrysher/packer,atlassian/packer,jsternberg/packer,ephemeralsnow/packer,grange74/packer,noplay/packer,quantang/packer,lantrix/packer,bryson/packer,p1-nico/packer,pvanbuijtene/packer,sgirones/packer,zeliff/packer,btd/packer,sean-/packer,vtolstov/packer,zhuzhih2017/packer,dieu/packer,dragon788/packer,Akasurde/packer,jszwedko/packer,taliesins/packer,esemplare/packer,icnocop/packer,Sheile/packer,dayglojesus/packer,jae2/packer,rrva/packer,hasJackb/packer,sean-/packer,aneeshusa/packer,mansunkuo/packer,jgkim/packer,Banno/packer,mayflower/packer,stagrlee/packer,uber/packer,ephemeralsnow/packer,monsterzz/packer,evertrue/packer,paulmey/packer,dantran/packer,marklap/packer,mitchellh/packer,boumenot/packer,life360/packer,pecigonzalo/packer,Silver90/packer,arizvisa/packer,gbarberi/packer,rk295/packer,atlassian/packer,pearkes/packer,pieter-lazzaro/packer,grange74/packer,legal90/packer,ldejager/packer,jasonchaffee/packer,ChrisLundquist/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,zakuro9715/packer,sequenceiq/packer,KFishner/packer,ttaylor249/packer,visioncritical/packer,timsutton/packer,napramirez/packer,jimmythedog/packer,blairham/packer,yonglehou/packer,markpeek/packer,dantran/packer,yoctocloud/packer,rnaveiras/packer,Silver90/packer,Akasurde/packer,avldya/packer,LinusU/packer,manicai/packer,mitchellh/packer,jimmythedog/packer,feateds/packer,KohlsTechnology/packer,dragon788/packer,jasonchaffee/packer,mindjiver/packer,mafrosis/packer,mvanholsteijn/packer,bhcleek/packer,ricardclau/packer,ober/packer,sneal/packer,jonathankarsh/packer,rrva/packer,fnoeding/packer,higebu/packer,rnaveiras/packer,rodm/packer,icnocop/packer,sansb/packer,marklap/packer,higebu/packer,jen20/packer,timsutton/packer,rickard-von-essen/packer,rrva/packer,mgk/packer,btd/packer,threatstream/packer,evertrue/packer,hashicorp/packer,cyberhouse/packer,justincampbell/packer,samdunne/packer,jsternberg/packer,samdunne/packer,ricardclau/packer,ChrisLundquist/packer,stagrlee/packer,visioncritical/packer,quantang/packer,pvandervelde/packer,tracyde/packer,yoctocloud/packer,sean-/packer,jean/packer,mansunkuo/packer,ricardclau/packer,jen20/packer,pieter-lazzaro/packer,ldejager/packer,jen20/packer,mayflower/packer,bryson/packer,jsoriano/packer,uber/packer,atlassian/packer,zakuro9715/packer,umang1912/packer,rodm/packer,mefellows/packer,sobrinho/packer,ober/packer,bhcleek/packer,mvanholsteijn/packer,jmptrader/packer,pvanbuijtene/packer,hasJackb/packer,dantran/packer,pieter-lazzaro/packer,ober/packer,justincampbell/packer,life360/packer,timsutton/packer,mafrosis/packer,zeliff/packer,mitchellh/packer,hashicorp/packer,grange74/packer,trumant/packer,jgkim/packer,mansunkuo/packer,smaato/packer,masbog/packer,paulmey/packer,oliviertremblay/packer,pvandervelde/packer,jasonchaffee/packer,mafrosis/packer,jimmythedog/packer,bryson/packer,monkeylittleinc/packer,monsterzz/packer,marc-ta/packer,KohlsTechnology/packer,icnocop/packer,btd/packer,gildas/packer-hyperv,orivej/packer,yoctocloud/packer,manicai/packer,evertrue/packer,dev-head/packer,mkuzmin/packer,kgrvamsi/packer,mgk/packer,dayglojesus/packer,jamesleech/packer,gbarberi/packer,jae2/packer,jen20/packer,Cbeck527/packer,monsterzz/packer,tb3088/packer,dev-head/packer,c22/packer,gbarberi/packer,pieter-lazzaro/packer,dev-head/packer,beni55/packer,jasonchaffee/packer,bhcleek/packer,mkuzmin/packer,taliesins/packer,routelastresort/packer,AlphaStaxLLC/packer,leroux/packer,legal90/packer,leroux/packer,visioncritical/packer,mkuzmin/packer,markpeek/packer,mgk/packer,jgkim/packer,samdunne/packer,mohae/packer,napramirez/packer,bensojona/packer,beni55/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,tb3088/packer,Cbeck527/packer,monkeylittleinc/packer,Xiol/packer,threatstream/packer,marc-ta/packer,icnocop/packer,zeliff/packer,aneeshusa/packer,jsternberg/packer,timsutton/packer,danschaffer/packer,manicai/packer,tas50/packer,jasonchaffee/packer,Sheile/packer,zhuzhih2017/packer,styro/packer,BayanGroup/packer,jamesleech/packer,DualSpark/packer,c22/packer,Sheile/packer,grange74/packer,mindjiver/packer,routelastresort/packer,youhong316/packer,evertrue/packer,rnaveiras/packer,orivej/packer,masbog/packer,jsoriano/packer,cyberhouse/packer,hashicorp/packer,grubernaut/packer,jsoriano/packer,p1-nico/packer,jszwedko/packer,aneeshusa/packer,tracyde/packer,sgirones/packer,esemplare/packer,paulvollmer/packer,sgirones/packer,mefellows/packer,tomwilkie/packer,taliesins/packer,rnaveiras/packer,jonathankarsh/packer,henrysher/packer,jen20/packer,rickard-von-essen/packer,fnoeding/packer,oliviertremblay/packer,routelastresort/packer,pieter-lazzaro/packer,c22/packer,KohlsTechnology/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,arizvisa/packer,youhong316/packer,dieu/packer,lantrix/packer,tb3088/packer,sansb/packer,KohlsTechnology/packer,Cbeck527/packer,timsutton/packer,pearkes/packer,Silver90/packer,gildas/packer-hyperv,grubernaut/packer,ober/packer,bensojona/packer,rodm/packer,dayglojesus/packer,dayglojesus/packer,shaunduncan/packer,dave2/packer,mwhooker/packer,tsmolka/packer,markpeek/packer,higebu/packer,Banno/packer,sean-/packer,samdunne/packer,sequenceiq/packer,mwhooker/packer,mayflower/packer,threatstream/packer,yonglehou/packer,dev-head/packer,bradparks/packer__create_vm_for_aws_docker_vagrant_etc,gbarberi/packer,higebu/packer,legal90/packer,mefellows/packer,life360/packer,tas50/packer,jarl-dk/packer,Xiol/packer,qur/packer,monsterzz/packer,jmptrader/packer,KFishner/packer,rnaveiras/packer,pvanbuijtene/packer,israelshirk/packer,fnoeding/packer,bryson/packer,BayanGroup/packer,monkeylittleinc/packer,henrysher/packer,bryson/packer,jonathankarsh/packer,youhong316/packer,trumant/packer,dieu/packer,Xiol/packer,routelastresort/packer,ttaylor249/packer,youhong316/packer,jamesbishopp/packer,KFishner/packer,ChrisLundquist/packer,tsmolka/packer,quantang/packer,rk295/packer,c22/packer,mohae/packer,mayflower/packer,sansb/packer,marklap/packer,smaato/packer,Akasurde/packer,burnzy/packer,jamesbishopp/packer,smaato/packer,boumenot/packer,tb3088/packer,dave2/packer,kgrvamsi/packer,hazelesque/packer,trumant/packer,markpeek/packer,gildas/packer-hyperv,henrysher/packer,burnzy/packer,youhong316/packer,masbog/packer,pvandervelde/packer,jmptrader/packer,feateds/packer,aneeshusa/packer,paulvollmer/packer,shaunduncan/packer,DualSpark/packer,styro/packer,tsmolka/packer,mgk/packer,mindjiver/packer,stagrlee/packer,ricardclau/packer,sobrinho/packer,jamesbishopp/packer,trumant/packer,smaato/packer,hasJackb/packer,mohae/packer,life360/packer,beni55/packer,Akasurde/packer,tsmolka/packer,qur/packer,arizvisa/packer,paulmey/packer,ChrisLundquist/packer,kgrvamsi/packer,paulmey/packer,ricardclau/packer,p1-nico/packer,jarl-dk/packer,visioncritical/packer,mwhooker/packer,tsmolka/packer,kpettijohn/packer,jsternberg/packer,tas50/packer,threatstream/packer,mindjiver/packer,hasJackb/packer,ttaylor249/packer,rk295/packer,ChrisLundquist/packer,AlphaStaxLLC/packer,esemplare/packer,p1-nico/packer,higebu/packer,pvanbuijtene/packer,jarl-dk/packer,eranchetz/packer,eranchetz/packer,jean/packer,pvanbuijtene/packer,uber/packer,ldejager/packer,zhuzhih2017/packer,israelshirk/packer,Cbeck527/packer,esemplare/packer,mohae/packer,mefellows/packer,rodm/packer,ober/packer,zhuzhih2017/packer,quantang/packer,threatstream/packer,grubernaut/packer,mitchellh/packer,dave2/packer,mansunkuo/packer,rickard-von-essen/packer,tomwilkie/packer,jimmythedog/packer,arizvisa/packer,jgkim/packer,zakuro9715/packer,ricardclau/packer,btd/packer,taliesins/packer,leroux/packer,bryson/packer,dantran/packer,noplay/packer,arizvisa/packer,Silver90/packer,icnocop/packer,styro/packer,markpeek/packer,grubernaut/packer,cyberhouse/packer,blairham/packer,pearkes/packer,leroux/packer