import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

taskcluster/scripts/builder/desktop-setup.sh

@@ -0,0 +1,24 @@
+#!/bin/bash -ex
+
+test $MOZCONFIG # mozconfig is required...
+test -d $1 # workspace must exist at this point...
+WORKSPACE=$( cd "$1" && pwd )
+
+. setup-ccache.sh
+
+# Gecko source:
+export GECKO_DIR=$WORKSPACE/gecko
+# Gaia source:
+export GAIA_DIR=$WORKSPACE/gaia
+# Mozbuild config:
+export MOZBUILD_STATE_PATH=$WORKSPACE/mozbuild/
+
+# Create .mozbuild so mach doesn't complain about this
+mkdir -p $MOZBUILD_STATE_PATH
+
+### Install package dependencies
+install-packages.sh ${TOOLTOOL_DIR:-$GECKO_DIR}
+
+# Ensure object-folder exists
+export MOZ_OBJDIR=$WORKSPACE/object-folder/
+mkdir -p $MOZ_OBJDIR