Handle constraints where both side reference the same source
Handle constraints where both side reference the same source

tobyjsullivan/Eve,kidaa/Eve-1,shaunstanislaus/Eve-1,dirvine/Eve,jhftrifork/Eve,agumonkey/Eve,shamim8888/Eve,shamim8888/Eve,bluesnowman/Eve,kidaa/Eve-1,agumonkey/Eve,sagittaros/Eve,steveklabnik/Eve,ViniciusAtaide/Eve,tobyjsullivan/Eve,8l/Eve,agumonkey/Eve,hrishimittal/Eve,sagittaros/Eve,shamim8888/Eve,fineline/Eve,ViniciusAtaide/Eve,sherbondy/Eve,bjtitus/Eve,kidaa/Eve-1,hrishimittal/Eve,8l/Eve,nonZero/Eve,brunotag/Eve,rschroll/Eve,brunotag/Eve,jhftrifork/Eve,ViniciusAtaide/Eve,hrishimittal/Eve,dirvine/Eve,sherbondy/Eve,bluesnowman/Eve,fineline/Eve,justintaft/Eve,justintaft/Eve,hrishimittal/Eve,nonZero/Eve,pel-daniel/Eve,justintaft/Eve,adjohnson916/Eve,nonZero/Eve,rschroll/Eve,Drooids/Eve,shamim8888/Eve,bjtitus/Eve,steveklabnik/Eve,agumonkey/Eve,shaunstanislaus/Eve-1,dirvine/Eve,shaunstanislaus/Eve-1,jhftrifork/Eve,justintaft/Eve,fineline/Eve,brunotag/Eve,Drooids/Eve,Drooids/Eve,Drooids/Eve,kidaa/Eve-1,dirvine/Eve,sherbondy/Eve,sherbondy/Eve,shaunstanislaus/Eve-1,shamim8888/Eve,rschroll/Eve,adjohnson916/Eve,fineline/Eve,steveklabnik/Eve,bjtitus/Eve,bjtitus/Eve,adjohnson916/Eve,pel-daniel/Eve,rschroll/Eve,sagittaros/Eve,bluesnowman/Eve,jhftrifork/Eve,fineline/Eve,sagittaros/Eve,steveklabnik/Eve,rschroll/Eve,sagittaros/Eve,bluesnowman/Eve,sherbondy/Eve,jhftrifork/Eve,hrishimittal/Eve,tobyjsullivan/Eve,agumonkey/Eve,ViniciusAtaide/Eve,pel-daniel/Eve,adjohnson916/Eve,8l/Eve,adjohnson916/Eve,nonZero/Eve,Drooids/Eve,tobyjsullivan/Eve,8l/Eve,brunotag/Eve,tobyjsullivan/Eve,shaunstanislaus/Eve-1,brunotag/Eve,8l/Eve,pel-daniel/Eve,dirvine/Eve,nonZero/Eve,ViniciusAtaide/Eve,steveklabnik/Eve