Bug 940210 - Purge first, then checkout tools
Bug 940210 - Purge first, then checkout tools

--HG--
branch : production
extra : transplant_source : z%7Cd%8B%D4%FF%D6%E5I%3E%B3J%EA%89i%C1%EA%BB%D5Q

armenzg/build-mozharness,kartikgupta0909/build-mozharness,escapewindow/mozharness,simar7/build-mozharness,armenzg/build-mozharness,simar7/build-mozharness,mozilla/build-mozharness,kartikgupta0909/gittest,kartikgupta0909/mozilla-mozharness,lissyx/build-mozharness,walac/build-mozharness,mozilla/build-mozharness,mrrrgn/build-mozharness,mrrrgn/build-mozharness,kartikgupta0909/gittest,kartikgupta0909/build-mozharness,walac/build-mozharness,escapewindow/mozharness,lissyx/build-mozharness,kartikgupta0909/mozilla-mozharness