prevent infinite loop when no content is returned
prevent infinite loop when no content is returned

stoplightio/gitlabhq,LUMC/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,openwide-java/gitlabhq,dplarson/gitlabhq,htve/GitlabForChinese,openwide-java/gitlabhq,stoplightio/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,dplarson/gitlabhq,mmkassem/gitlabhq,jirutka/gitlabhq,htve/GitlabForChinese,t-zuehlsdorff/gitlabhq,LUMC/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,LUMC/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,iiet/iiet-git,LUMC/gitlabhq,axilleas/gitlabhq,htve/GitlabForChinese,dreampet/gitlab,stoplightio/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq,dplarson/gitlabhq,iiet/iiet-git,darkrasid/gitlabhq,dreampet/gitlab,iiet/iiet-git,htve/GitlabForChinese,darkrasid/gitlabhq,mmkassem/gitlabhq,dplarson/gitlabhq