Enable building autotests in test loop and sbt script

src/scripts/sync_build_test.sh

Index: src/scripts/sync_build_test.sh
diff --git a/src/scripts/sync_build_test.sh b/src/scripts/sync_build_test.sh
index d59109bd76aa98085fe62e2340287eb9baa9cb48..205ca142773abe0f2d2b9fd4b539a6b6b1eee5ad 100755
--- a/src/scripts/sync_build_test.sh
+++ b/src/scripts/sync_build_test.sh
@@ -62,6 +62,7 @@ buildbot"
 DEFINE_string chronos_passwd "${CHRONOS_PASSWD}" \
     "Use this as the chronos user passwd (defaults to \$CHRONOS_PASSWD)"
 DEFINE_boolean mod_image_for_test ${FLAGS_FALSE} "Modify the image for testing"
+DEFINE_boolean build_autotest ${FLAGS_FALSE} "Build autotest"
 DEFINE_boolean image_to_live ${FLAGS_FALSE} \
     "Put the resulting image on live instance (requires --remote)"
 DEFINE_string remote "" \
@@ -106,6 +107,9 @@ function validate_and_set_param_defaults() {
     FLAGS_top=$(dirname $(dirname $(dirname $0)))
   fi
 
+  # Canonicalize any symlinks
+  FLAGS_top=$(readlink -f "${FLAGS_top}")
+
   if [[ -z "${FLAGS_repo}" ]]; then
     if is_google_environment; then
       FLAGS_repo="ssh://git@chromiumos-git//chromeos"
@@ -159,6 +163,10 @@ function validate_and_set_param_defaults() {
     # Override any specified chronos password with the test one
     local test_file=$(dirname $0)"/mod_for_test_scripts/test_account.passwd"
     FLAGS_chronos_passwd=$(head -1 "${test_file}")
+    # Default to building autotests whenever we mod image for test.
+    # TODO(kmixter): Make this more efficient by either doing incremental
+    # building, or only building if the tests we're running needs to be.

[sosa, 2010/01/29 02:43:12]

True, we probably should parametrize build_autotest to only build certain tests
that way we can pass test to that and only build that test

+    FLAGS_build_autotest=${FLAGS_TRUE}
   fi
 
   if [[ -n "${FLAGS_image_to_usb}" ]]; then
@@ -216,6 +224,9 @@ function describe_steps() {
       echo " * Set chronos password randomly"
     fi
   fi
+  if [[ ${FLAGS_build_autotest} -eq ${FLAGS_TRUE} ]]; then
+    echo " * Build autotest"
+  fi
   if [[ -n "${FLAGS_image_to_usb}" ]]; then
     echo " * Write the image to USB device ${FLAGS_image_to_usb}"
   fi
@@ -460,6 +471,11 @@ function main() {
       ./image_to_live.sh "--remote=${FLAGS_remote}" --update_known_hosts
   fi
 
+  if [[ ${FLAGS_build_autotest} -eq ${FLAGS_TRUE} ]]; then
+    chdir_relative src/scripts
+    run_phase "Building autotest" ./enter_chroot.sh  "./build_autotest.sh"
+  fi
+
   if [[ -n "${FLAGS_test}" ]]; then
     chdir_relative src/scripts
     # We purposefully do not quote FLAGS_test below as we expect it may