GECKO_BASE_REPOSITORY=https://github.com/mozilla/gecko-dev GECKO_HEAD_REPOSITORY=https://github.com/mozilla/gecko-dev GECKO_HEAD_REF=master GECKO_HEAD_REV=master MOZHARNESS_REPOSITORY=http://hg.mozilla.org/build/mozharness MOZHARNESS_REV=tip MOZCONFIG=b2g/dev/config/mozconfigs/linux64/mulet