product=${product:-js} branch=${branch:-1.9.1} buildtype=${buildtype:-opt} jsshellsourcepath=${jsshellsourcepath:-/work/mozilla/builds/1.9.1-test/mozilla/js/src} TEST_MOZILLA_HG=${TEST_MOZILLA_HG:-http://hg.mozilla.org/releases/mozilla-1.9.1} TEST_MOZILLA_HG_REV=${TEST_MOZILLA_HG_REV:-tip}