Fix archive_build.sh to work with new build using board subdirs.

src/scripts/archive_build.sh

 #!/bin/bash
 
-# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to archive build results.  Used by the buildbots.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
 # Script must be run outside the chroot
 assert_outside_chroot
 
 IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images"
 # Default to the most recent image
-DEFAULT_FROM="${IMAGES_DIR}/`ls -t1 $IMAGES_DIR | head -1`"
 DEFAULT_TO="${GCLIENT_ROOT}/archive"
 
 # Flags
+DEFINE_string board "$DEFAULT_BOARD" \
+  "The board to build packages for."
+DEFAULT_FROM="${IMAGES_DIR}/$FLAGS_board/$(ls -t1 $IMAGES_DIR/$FLAGS_board | head -1)"
 DEFINE_string from "$DEFAULT_FROM" \
   "Directory to archive"
 DEFINE_string to "$DEFAULT_TO" "Directory of build archive"
 DEFINE_integer keep_max 0 "Maximum builds to keep in archive (0=all)"
 DEFINE_string zipname "image.zip" "Name of zip file to create."
 DEFINE_boolean official_build $FLAGS_FALSE "Set CHROMEOS_OFFICIAL=1 for release builds."
 DEFINE_string build_number "" \
   "The build-bot build number (when called by buildbot only)." "b"
 DEFINE_boolean test_mod $FLAGS_TRUE "Modify image for testing purposes"
 
@@ skipping 65 matching lines @@
 if [ $FLAGS_keep_max -gt 0 ]
 then
   echo "Deleting old builds (all but the newest ${FLAGS_keep_max})..."
   cd "$FLAGS_to"
   # +2 because line numbers start at 1 and need to skip LATEST file
   rm -rf `ls -t1 | tail --lines=+$(($FLAGS_keep_max + 2))`
   cd -
 fi
 
 echo "Done."