Fix panic on empty external-ids
Fix panic on empty external-ids

spadgett/origin,hroyrh/origin,JacobTanenbaum/origin,ramr/origin,jim-minter/origin,csrwng/origin,soltysh/origin,sdminonne/origin,sferich888/origin,linzhaoming/origin,bparees/origin,coreydaley/origin,mkumatag/origin,ramr/origin,spadgett/origin,ironcladlou/origin,dinhxuanvu/origin,sjug/origin,sdminonne/origin,deads2k/origin,hroyrh/origin,linzhaoming/origin,jsafrane/origin,jeremyeder/origin,ramr/origin,nak3/origin,linzhaoming/origin,jeremyeder/origin,tnozicka/origin,anpingli/origin,pweil-/origin,gabemontero/origin,tnozicka/origin,ironcladlou/origin,linzhaoming/origin,bparees/origin,jsafrane/origin,tnozicka/origin,akram/origin,xiuwang/origin,openshift/origin,pweil-/origin,anpingli/origin,csrwng/origin,ingvagabund/origin,gabemontero/origin,spadgett/origin,Miciah/origin,ramr/origin,linzhaoming/origin,tnozicka/origin,mahak/origin,coreydaley/origin,enj/origin,mkumatag/origin,ingvagabund/origin,openshift/origin,deads2k/origin,nak3/origin,ironcladlou/origin,mfojtik/origin,sjug/origin,dinhxuanvu/origin,coreydaley/origin,jeremyeder/origin,soltysh/origin,jim-minter/origin,JacobTanenbaum/origin,sallyom/origin,csrwng/origin,jeremyeder/origin,bparees/origin,JacobTanenbaum/origin,akram/origin,pweil-/origin,pecameron/origin,enj/origin,sallyom/origin,tnozicka/origin,mahak/origin,deads2k/origin,akram/origin,sferich888/origin,xiuwang/origin,ramr/origin,mahak/origin,xiuwang/origin,pecameron/origin,sjug/origin,soltysh/origin,jsafrane/origin,sferich888/origin,mkumatag/origin,dinhxuanvu/origin,hroyrh/origin,nak3/origin,spadgett/origin,jeremyeder/origin,enj/origin,sdminonne/origin,spadgett/origin,Miciah/origin,mfojtik/origin,anpingli/origin,dinhxuanvu/origin,jim-minter/origin,openshift/origin,pecameron/origin,mfojtik/origin,ingvagabund/origin,sallyom/origin,gabemontero/origin,Miciah/origin,dinhxuanvu/origin,tnozicka/origin