Make run_remote_tests also update the chroot autotest

src/scripts/run_remote_tests.sh

 #!/bin/bash
 
 # Copyright (c) 2009 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 run client or server tests on a live remote image.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 
 . "$(dirname $0)/common.sh"
+. "$(dirname $0)/autotest_lib.sh"
 . "$(dirname $0)/remote_access.sh"
 
 DEFAULT_OUTPUT_FILE=test-output-$(date '+%Y%m%d.%H%M%S')
 
 DEFINE_boolean cleanup ${FLAGS_TRUE} "Clean up temp directory"
 DEFINE_integer iterations 1 "Iterations to run every top level test" i
 DEFINE_string output_file "${DEFAULT_OUTPUT_FILE}" "Test run output" o
 DEFINE_boolean verbose ${FLAGS_FALSE} "Show verbose autoserv output" v
 DEFINE_boolean update_db ${FLAGS_FALSE} "Put results in autotest database" u
 DEFINE_string machine_desc "" "Machine description used in database"
@@ skipping 73 matching lines @@
 
   local parse_cmd="$(dirname $0)/../third_party/autotest/files/tko/parse.py"
 
   if [[ ${FLAGS_update_db} -eq ${FLAGS_TRUE} && ! -x "${parse_cmd}" ]]; then
     echo "Cannot find parser ${parse_cmd}"
     exit 1
   fi
 
   set -e
 
-  AUTOTEST_DIR="${DEFAULT_CHROOT_DIR}/usr/local/autotest"
+  local autotest_dir="${DEFAULT_CHROOT_DIR}/usr/local/autotest"
 
   # Set global TMP for remote_access.sh's sake
   TMP=$(mktemp -d /tmp/run_remote_tests.XXXX)
 
   rm -f "${FLAGS_output_file}"
 
   trap cleanup EXIT
 
-  # Check for installed autotest.
-  local autoserv="${AUTOTEST_DIR}/server/autoserv"
-  if [[ ! -f "${autoserv}" ]]; then
-    echo "Cannot find autotest in build dir. Run build_autotest.sh"
-    exit 1
-  fi
+  # Always copy into installed autotest directory.  This way if a user
+  # is just modifying scripts, they take effect without having to wait
+  # for the laborious build_autotest.sh command.
+  local original="${GCLIENT_ROOT}/src/third_party/autotest/files"
+  update_chroot_autotest "${original}"
+
+  local autoserv="${autotest_dir}/server/autoserv"
 
   local control_files_to_run=""
 
   # Now search for tests which unambiguously include the given identifier
-  local search_path=$(echo ${AUTOTEST_DIR}/{client,server}/{tests,site_tests})
+  local search_path=$(echo ${autotest_dir}/{client,server}/{tests,site_tests})
   for test_request in $FLAGS_ARGV; do
     test_request=$(remove_quotes "${test_request}")
     ! finds=$(find ${search_path} -type f -name control | \
       egrep "${test_request}")
     if [[ -z "${finds}" ]]; then
       echo "Can not find match for ${test_request}"
       exit 1
     fi
     local matches=$(echo "${finds}" | wc -l)
     if [[ ${matches} -gt 1 ]]; then
@@ skipping 75 matching lines @@
         echo "Parse failed." | tee -a "${FLAGS_output_file}"
         FLAGS_cleanup=${FLAGS_FALSE}
       fi
     fi
   done
 
   echo "Output stored to ${FLAGS_output_file}"
 }
 
 main $@