Changes to enable buildbot to build autotests and package them

src/scripts/archive_build.sh

Index: src/scripts/archive_build.sh
diff --git a/src/scripts/archive_build.sh b/src/scripts/archive_build.sh
index b4a0951a733099b21919b62ea9186b7e278a3b60..3259bb129934597351a5abd004805ec6d2e0dc5d 100755
--- a/src/scripts/archive_build.sh
+++ b/src/scripts/archive_build.sh
@@ -22,6 +22,8 @@ DEFAULT_FROM="${IMAGES_DIR}/$DEFAULT_BOARD/$(ls -t1 \
 # Flags
 DEFINE_string board "$DEFAULT_BOARD" \
   "The board to build packages for."
+DEFINE_string chroot "$DEFAULT_CHROOT_DIR" \
+  "The chroot of the build to archive."
 DEFINE_string from "$DEFAULT_FROM" \
   "Directory to archive"
 DEFINE_string to "$DEFAULT_TO" "Directory of build archive"
@@ -94,6 +96,9 @@ then
   cp "${FLAGS_from}/rootfs.image" "${FLAGS_from}/rootfs_test.image"
   "${SCRIPTS_DIR}/mod_image_for_test.sh" --board $FLAGS_board --yes --image \
       "${FLAGS_from}/rootfs_test.image"
+  cd "${FLAGS_chroot}/build/${FLAGS_board}/usr/local"
+  echo "Archiving autotest build artifacts"
+  tar cjf "${FLAGS_from}/autotest.tar.bz2" autotest
 fi
 
 # Zip the build