[build] Don't resolve the revision hash unless you need it
[build] Don't resolve the revision hash unless you need it

This fixes the build for folks that build without git installed locally
and should speed up the general case because we aren't trying to resolve
git information when it isn't really needed.

pozhidaevak/elasticsearch,girirajsharma/elasticsearch,mmaracic/elasticsearch,kalimatas/elasticsearch,obourgain/elasticsearch,kalimatas/elasticsearch,StefanGor/elasticsearch,ThiagoGarciaAlves/elasticsearch,dongjoon-hyun/elasticsearch,GlenRSmith/elasticsearch,strapdata/elassandra5-rc,ricardocerq/elasticsearch,henakamaMSFT/elasticsearch,masaruh/elasticsearch,Stacey-Gammon/elasticsearch,alexshadow007/elasticsearch,nomoa/elasticsearch,cwurm/elasticsearch,liweinan0423/elasticsearch,myelin/elasticsearch,ZTE-PaaS/elasticsearch,obourgain/elasticsearch,cwurm/elasticsearch,wangtuo/elasticsearch,umeshdangat/elasticsearch,jimczi/elasticsearch,uschindler/elasticsearch,brandonkearby/elasticsearch,mjason3/elasticsearch,bawse/elasticsearch,avikurapati/elasticsearch,bawse/elasticsearch,Stacey-Gammon/elasticsearch,maddin2016/elasticsearch,artnowo/elasticsearch,fernandozhu/elasticsearch,gfyoung/elasticsearch,sneivandt/elasticsearch,artnowo/elasticsearch,ThiagoGarciaAlves/elasticsearch,ZTE-PaaS/elasticsearch,nezirus/elasticsearch,mikemccand/elasticsearch,brandonkearby/elasticsearch,wuranbo/elasticsearch,MisterAndersen/elasticsearch,njlawton/elasticsearch,lks21c/elasticsearch,ThiagoGarciaAlves/elasticsearch,dongjoon-hyun/elasticsearch,naveenhooda2000/elasticsearch,JackyMai/elasticsearch,Shepard1212/elasticsearch,wuranbo/elasticsearch,strapdata/elassandra5-rc,jimczi/elasticsearch,C-Bish/elasticsearch,naveenhooda2000/elasticsearch,HonzaKral/elasticsearch,gingerwizard/elasticsearch,cwurm/elasticsearch,umeshdangat/elasticsearch,rlugojr/elasticsearch,jimczi/elasticsearch,vroyer/elassandra,JSCooke/elasticsearch,robin13/elasticsearch,zkidkid/elasticsearch,markwalkom/elasticsearch,lks21c/elasticsearch,myelin/elasticsearch,i-am-Nathan/elasticsearch,camilojd/elasticsearch,zkidkid/elasticsearch,s1monw/elasticsearch,mohit/elasticsearch,yynil/elasticsearch,rlugojr/elasticsearch,JervyShi/elasticsearch,liweinan0423/elasticsearch,pozhidaevak/elasticsearch,JervyShi/elasticsearch,geidies/elasticsearch,scottsom/elasticsearch,nazarewk/elasticsearch,LeoYao/elasticsearch,LewayneNaidoo/elasticsearch,awislowski/elasticsearch,cwurm/elasticsearch,JackyMai/elasticsearch,rlugojr/elasticsearch,jprante/elasticsearch,strapdata/elassandra5-rc,rajanm/elasticsearch,a2lin/elasticsearch,strapdata/elassandra,wenpos/elasticsearch,brandonkearby/elasticsearch,girirajsharma/elasticsearch,camilojd/elasticsearch,njlawton/elasticsearch,bawse/elasticsearch,wangtuo/elasticsearch,mortonsykes/elasticsearch,ricardocerq/elasticsearch,mortonsykes/elasticsearch,sneivandt/elasticsearch,lks21c/elasticsearch,artnowo/elasticsearch,wangtuo/elasticsearch,ZTE-PaaS/elasticsearch,scorpionvicky/elasticsearch,JervyShi/elasticsearch,nezirus/elasticsearch,yanjunh/elasticsearch,zkidkid/elasticsearch,nezirus/elasticsearch,gfyoung/elasticsearch,mohit/elasticsearch,alexshadow007/elasticsearch,LeoYao/elasticsearch,robin13/elasticsearch,nomoa/elasticsearch,JackyMai/elasticsearch,winstonewert/elasticsearch,nazarewk/elasticsearch,MaineC/elasticsearch,wuranbo/elasticsearch,rajanm/elasticsearch,LewayneNaidoo/elasticsearch,dpursehouse/elasticsearch,gingerwizard/elasticsearch,masaruh/elasticsearch,mortonsykes/elasticsearch,zkidkid/elasticsearch,mikemccand/elasticsearch,GlenRSmith/elasticsearch,GlenRSmith/elasticsearch,rajanm/elasticsearch,wangtuo/elasticsearch,mmaracic/elasticsearch,MaineC/elasticsearch,LewayneNaidoo/elasticsearch,myelin/elasticsearch,glefloch/elasticsearch,LeoYao/elasticsearch,uschindler/elasticsearch,gmarz/elasticsearch,gmarz/elasticsearch,i-am-Nathan/elasticsearch,nomoa/elasticsearch,a2lin/elasticsearch,strapdata/elassandra,i-am-Nathan/elasticsearch,naveenhooda2000/elasticsearch,qwerty4030/elasticsearch,palecur/elasticsearch,sreeramjayan/elasticsearch,mohit/elasticsearch,jimczi/elasticsearch,vroyer/elasticassandra,camilojd/elasticsearch,fred84/elasticsearch,C-Bish/elasticsearch,gingerwizard/elasticsearch,bawse/elasticsearch,girirajsharma/elasticsearch,mikemccand/elasticsearch,HonzaKral/elasticsearch,a2lin/elasticsearch,maddin2016/elasticsearch,alexshadow007/elasticsearch,avikurapati/elasticsearch,obourgain/elasticsearch,gfyoung/elasticsearch,Shepard1212/elasticsearch,palecur/elasticsearch,mjason3/elasticsearch,geidies/elasticsearch,qwerty4030/elasticsearch,dongjoon-hyun/elasticsearch,trangvh/elasticsearch,alexshadow007/elasticsearch,i-am-Nathan/elasticsearch,dpursehouse/elasticsearch,gingerwizard/elasticsearch,scottsom/elasticsearch,shreejay/elasticsearch,Helen-Zhao/elasticsearch,njlawton/elasticsearch,trangvh/elasticsearch,awislowski/elasticsearch,maddin2016/elasticsearch,GlenRSmith/elasticsearch,mikemccand/elasticsearch,Helen-Zhao/elasticsearch,henakamaMSFT/elasticsearch,C-Bish/elasticsearch,mjason3/elasticsearch,ricardocerq/elasticsearch,sneivandt/elasticsearch,i-am-Nathan/elasticsearch,nilabhsagar/elasticsearch,sneivandt/elasticsearch,shreejay/elasticsearch,sreeramjayan/elasticsearch,winstonewert/elasticsearch,HonzaKral/elasticsearch,liweinan0423/elasticsearch,yynil/elasticsearch,mortonsykes/elasticsearch,IanvsPoplicola/elasticsearch,LeoYao/elasticsearch,MisterAndersen/elasticsearch,coding0011/elasticsearch,gfyoung/elasticsearch,zkidkid/elasticsearch,jprante/elasticsearch,Helen-Zhao/elasticsearch,myelin/elasticsearch,nknize/elasticsearch,gingerwizard/elasticsearch,yynil/elasticsearch,elasticdog/elasticsearch,fred84/elasticsearch,nknize/elasticsearch,rlugojr/elasticsearch,fernandozhu/elasticsearch,palecur/elasticsearch,dongjoon-hyun/elasticsearch,glefloch/elasticsearch,nilabhsagar/elasticsearch,vroyer/elasticassandra,Stacey-Gammon/elasticsearch,umeshdangat/elasticsearch,sreeramjayan/elasticsearch,mortonsykes/elasticsearch,umeshdangat/elasticsearch,trangvh/elasticsearch,JervyShi/elasticsearch,camilojd/elasticsearch,spiegela/elasticsearch,girirajsharma/elasticsearch,ThiagoGarciaAlves/elasticsearch,liweinan0423/elasticsearch,uschindler/elasticsearch,sreeramjayan/elasticsearch,yanjunh/elasticsearch,naveenhooda2000/elasticsearch,wenpos/elasticsearch,C-Bish/elasticsearch,henakamaMSFT/elasticsearch,mjason3/elasticsearch,awislowski/elasticsearch,IanvsPoplicola/elasticsearch,IanvsPoplicola/elasticsearch,njlawton/elasticsearch,strapdata/elassandra,geidies/elasticsearch,pozhidaevak/elasticsearch,yanjunh/elasticsearch,nomoa/elasticsearch,markwalkom/elasticsearch,nezirus/elasticsearch,coding0011/elasticsearch,scottsom/elasticsearch,nilabhsagar/elasticsearch,Shepard1212/elasticsearch,nilabhsagar/elasticsearch,masaruh/elasticsearch,pozhidaevak/elasticsearch,sreeramjayan/elasticsearch,njlawton/elasticsearch,LeoYao/elasticsearch,nazarewk/elasticsearch,glefloch/elasticsearch,JackyMai/elasticsearch,nknize/elasticsearch,pozhidaevak/elasticsearch,spiegela/elasticsearch,ThiagoGarciaAlves/elasticsearch,IanvsPoplicola/elasticsearch,nilabhsagar/elasticsearch,kalimatas/elasticsearch,LeoYao/elasticsearch,markwalkom/elasticsearch,ZTE-PaaS/elasticsearch,coding0011/elasticsearch,nazarewk/elasticsearch,avikurapati/elasticsearch,Stacey-Gammon/elasticsearch,elasticdog/elasticsearch,a2lin/elasticsearch,masaruh/elasticsearch,HonzaKral/elasticsearch,rajanm/elasticsearch,mohit/elasticsearch,Shepard1212/elasticsearch,qwerty4030/elasticsearch,gfyoung/elasticsearch,jprante/elasticsearch,strapdata/elassandra,jimczi/elasticsearch,fforbeck/elasticsearch,robin13/elasticsearch,vroyer/elassandra,yanjunh/elasticsearch,fforbeck/elasticsearch,MaineC/elasticsearch,rajanm/elasticsearch,markwalkom/elasticsearch,scorpionvicky/elasticsearch,wangtuo/elasticsearch,qwerty4030/elasticsearch,ricardocerq/elasticsearch,spiegela/elasticsearch,JervyShi/elasticsearch,trangvh/elasticsearch,glefloch/elasticsearch,mmaracic/elasticsearch,artnowo/elasticsearch,maddin2016/elasticsearch,wuranbo/elasticsearch,fred84/elasticsearch,nknize/elasticsearch,Helen-Zhao/elasticsearch,dongjoon-hyun/elasticsearch,fforbeck/elasticsearch,mjason3/elasticsearch,a2lin/elasticsearch,mikemccand/elasticsearch,girirajsharma/elasticsearch,winstonewert/elasticsearch,LeoYao/elasticsearch,wenpos/elasticsearch,elasticdog/elasticsearch,robin13/elasticsearch,JervyShi/elasticsearch,brandonkearby/elasticsearch,palecur/elasticsearch,dpursehouse/elasticsearch,JackyMai/elasticsearch,s1monw/elasticsearch,MisterAndersen/elasticsearch,shreejay/elasticsearch,s1monw/elasticsearch,palecur/elasticsearch,rajanm/elasticsearch,gmarz/elasticsearch,mmaracic/elasticsearch,girirajsharma/elasticsearch,fforbeck/elasticsearch,kalimatas/elasticsearch,MisterAndersen/elasticsearch,avikurapati/elasticsearch,ThiagoGarciaAlves/elasticsearch,qwerty4030/elasticsearch,obourgain/elasticsearch,MisterAndersen/elasticsearch,ricardocerq/elasticsearch,coding0011/elasticsearch,mmaracic/elasticsearch,LewayneNaidoo/elasticsearch,s1monw/elasticsearch,lks21c/elasticsearch,awislowski/elasticsearch,JSCooke/elasticsearch,kalimatas/elasticsearch,markwalkom/elasticsearch,scottsom/elasticsearch,nomoa/elasticsearch,masaruh/elasticsearch,geidies/elasticsearch,MaineC/elasticsearch,fernandozhu/elasticsearch,henakamaMSFT/elasticsearch,rlugojr/elasticsearch,bawse/elasticsearch,sreeramjayan/elasticsearch,elasticdog/elasticsearch,liweinan0423/elasticsearch,strapdata/elassandra,gmarz/elasticsearch,glefloch/elasticsearch,myelin/elasticsearch,C-Bish/elasticsearch,geidies/elasticsearch,nezirus/elasticsearch,fred84/elasticsearch,wenpos/elasticsearch,nazarewk/elasticsearch,fred84/elasticsearch,avikurapati/elasticsearch,gmarz/elasticsearch,elasticdog/elasticsearch,nknize/elasticsearch,dpursehouse/elasticsearch,shreejay/elasticsearch,trangvh/elasticsearch,scorpionvicky/elasticsearch,StefanGor/elasticsearch,scorpionvicky/elasticsearch,coding0011/elasticsearch,shreejay/elasticsearch,camilojd/elasticsearch,wenpos/elasticsearch,jprante/elasticsearch,sneivandt/elasticsearch,JSCooke/elasticsearch,Helen-Zhao/elasticsearch,vroyer/elasticassandra,MaineC/elasticsearch,StefanGor/elasticsearch,winstonewert/elasticsearch,brandonkearby/elasticsearch,strapdata/elassandra5-rc,StefanGor/elasticsearch,fernandozhu/elasticsearch,fernandozhu/elasticsearch,Shepard1212/elasticsearch,IanvsPoplicola/elasticsearch,maddin2016/elasticsearch,awislowski/elasticsearch,cwurm/elasticsearch,scottsom/elasticsearch,jprante/elasticsearch,wuranbo/elasticsearch,winstonewert/elasticsearch,uschindler/elasticsearch,JSCooke/elasticsearch,alexshadow007/elasticsearch,henakamaMSFT/elasticsearch,dpursehouse/elasticsearch,mohit/elasticsearch,yynil/elasticsearch,JSCooke/elasticsearch,vroyer/elassandra,camilojd/elasticsearch,scorpionvicky/elasticsearch,yanjunh/elasticsearch,umeshdangat/elasticsearch,mmaracic/elasticsearch,strapdata/elassandra5-rc,uschindler/elasticsearch,GlenRSmith/elasticsearch,spiegela/elasticsearch,Stacey-Gammon/elasticsearch,gingerwizard/elasticsearch,StefanGor/elasticsearch,ZTE-PaaS/elasticsearch,spiegela/elasticsearch,robin13/elasticsearch,markwalkom/elasticsearch,s1monw/elasticsearch,yynil/elasticsearch,lks21c/elasticsearch,LewayneNaidoo/elasticsearch,naveenhooda2000/elasticsearch,artnowo/elasticsearch,gingerwizard/elasticsearch,obourgain/elasticsearch,geidies/elasticsearch,yynil/elasticsearch,fforbeck/elasticsearch