Avoid warning when testing for packagist over http
Avoid warning when testing for packagist over http

hirak/composer,composer/composer,SpacePossum/composer,remicollet/composer,nicolas-grekas/composer,MoT3rror/composer,balbuf/composer,fabpot/composer,yaman-jain/composer,gencer/composer,vdm-io/composer,johnstevenson/composer,alcohol/composer,till/composer,naderman/composer,localheinz/composer,pierredup/composer,floverdevel/composer,slbmeh/composer,stof/composer,fabiang/composer,andrerom/composer,milleruk/composer,jreinke/composer,erasys/composer,curry684/composer,stefangr/composer,staabm/composer,dzuelke/composer