use the source method when creating the uri and checksum This way the overrides are applied instead of just using the default values in `@source`
use the source method when creating the uri and checksum
This way the overrides are applied instead of just using the default values in `@source`

DataDog/omnibus-ruby,sh9189/omnibus,hugosato/omnibus,jamesn/omnibus,lvfeng1130/omnibus,rapid7/omnibus,higanworks/omnibus,adamleff/omnibus,intfrr/omnibus,hugosato/omnibus,Altiscale/omnibus,higanworks/omnibus,rapid7/omnibus,pskrz/omnibus,servebox/omnibus,mattray/omnibus,Scalr/omnibus,szechyjs/omnibus,ashhher3/omnibus,sh9189/omnibus,DataDog/omnibus-ruby,strangelittlemonkey/omnibus,3ofcoins/chef-omnibus,sh9189/omnibus,Altiscale/omnibus,strangelittlemonkey/omnibus,Scalr/omnibus,intfrr/omnibus,rhass/omnibus,rapid7/omnibus,strangelittlemonkey/omnibus,rhass/omnibus,lvfeng1130/omnibus,adamleff/omnibus,DataDog/omnibus-ruby,adamleff/omnibus,Altiscale/omnibus,szechyjs/omnibus,hugosato/omnibus,chef/omnibus,szechyjs/omnibus,mattray/omnibus,3ofcoins/chef-omnibus,servebox/omnibus,lvfeng1130/omnibus,intfrr/omnibus,pskrz/omnibus,jamesn/omnibus,jamesn/omnibus,ashhher3/omnibus,chef/omnibus,ashhher3/omnibus,servebox/omnibus,mattray/omnibus,pskrz/omnibus,3ofcoins/chef-omnibus,chef/omnibus,Scalr/omnibus,higanworks/omnibus,rhass/omnibus