Bug 937679 - Add fastxul.sh for fast XUL recompile & flash. r=mwu

scripts/fastxul.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+set -e
+
+# Support running with PWD=script or b2g root
+[ -e load-config.sh ] || cd ..
+
+B2G_DIR=$PWD
+. ./load-config.sh
+
+SCRIPT_NAME=$(basename $0)
+
+make -C "${GECKO_OBJDIR}" $MAKE_FLAGS binaries
+make -C "${GECKO_OBJDIR}" $MAKE_FLAGS package
+
+echo "Compressing xul"
+gzip --best -c "${GECKO_OBJDIR}/dist/b2g/libxul.so" > /tmp/b2g_libxul.so.gz
+adb remount
+echo adb push /tmp/b2g_libxul.so.gz /system/b2g/libxul.so.gz
+adb push /tmp/b2g_libxul.so.gz /system/b2g/libxul.so.gz
+
+adb shell stop b2g
+echo adb shell "gzip -d /system/b2g/libxul.so"
+adb shell "gzip -d /system/b2g/libxul.so"
+echo Restarting B2G
+adb shell start b2g
+
+echo "Reminder: ${SCRIPT_NAME} is a helper script to quickly update XUL when making"
+echo "c++ only changes that *only* affect libxul.so."