Minor, stop arc upgrade from prompting for commit ranges.
Minor, stop arc upgrade from prompting for commit ranges.

Khan/arcanist,fivestars/arcanist,memsql/arcanist,Symplicity/arcanist,memsql/arcanist,memsql/arcanist,wxstars/arcanist,phacility/arcanist,wikimedia/phabricator-arcanist,aik099/arcanist,r4nt/arcanist,wharris/arcanist,hach-que/arcanist,alexmv/arcanist,haskell-infra/arcanist,chundongwang/arcanist,aik099/arcanist,chundongwang/arcanist,wxstars/arcanist,coursera/arcanist,Khan/arcanist,uber/arcanist,codelabs-ch/arcanist,eSpark/arcanist,wxstars/arcanist,eSpark/arcanist,Symplicity/arcanist,folsom-labs/arcanist,julkiewicz/arcanist,kevinseelbach/arcanist,aik099/arcanist,alexmv/arcanist,chundongwang/arcanist,dguo-coursera/arcanist,coursera/arcanist,KieranHayes/arcanist,wharris/arcanist,jra3/arcanist,codelabs-ch/arcanist,coursera/arcanist,PageUpPeopleOrg/arcanist-patches,alexmv/arcanist,kevinseelbach/arcanist,sneakpeeq/arcanist,phacility/arcanist,wharris/arcanist,uber/arcanist,dguo-coursera/arcanist,folsom-labs/arcanist,hach-que/arcanist,dguo-coursera/arcanist,dguo-coursera/arcanist,jra3/arcanist,PageUpPeopleOrg/arcanist-patches,jra3/arcanist,zhihu/arcanist,wharris/arcanist,fivestars/arcanist,sneakpeeq/arcanist,r4nt/arcanist,r4nt/arcanist,codelabs-ch/arcanist,Symplicity/arcanist,calblueprint/arcanist,sneakpeeq/arcanist,julkiewicz/arcanist,KieranHayes/arcanist,wikimedia/phabricator-arcanist,haskell-infra/arcanist,zhihu/arcanist,eSpark/arcanist,uber/arcanist,alexmv/arcanist,fivestars/arcanist,memsql/arcanist,PageUpPeopleOrg/arcanist-patches,Khan/arcanist,kevinseelbach/arcanist,jra3/arcanist,folsom-labs/arcanist,uber/arcanist,kevinseelbach/arcanist,phacility/arcanist,folsom-labs/arcanist,sneakpeeq/arcanist,wikimedia/phabricator-arcanist,calblueprint/arcanist,KieranHayes/arcanist,coursera/arcanist,zhihu/arcanist,julkiewicz/arcanist,haskell-infra/arcanist,zhihu/arcanist,hach-que/arcanist,Symplicity/arcanist,aik099/arcanist,codelabs-ch/arcanist,wxstars/arcanist,calblueprint/arcanist,hach-que/arcanist,r4nt/arcanist,phacility/arcanist,eSpark/arcanist,chundongwang/arcanist,phacility/arcanist,julkiewicz/arcanist,KieranHayes/arcanist,Khan/arcanist,calblueprint/arcanist,codelabs-ch/arcanist,wikimedia/phabricator-arcanist,haskell-infra/arcanist,fivestars/arcanist,PageUpPeopleOrg/arcanist-patches