Add ability to blacklist packages from chromeos-base/chromeos.

build_image

 #!/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 build a bootable keyfob-based chromeos system image from within
 # a chromiumos setup. This assumes that all needed packages have been built into
 # the given target's root with binary packages turned on. This script will
 # build the Chrome OS image using only pre-built binary packages.
@@ skipping 79 matching lines @@
 
 # Only now can we die on error.  shflags functions leak non-zero error codes,
 # so will die prematurely if 'set -e' is specified before now.
 set -e
 
 if [ -z "${FLAGS_board}" ] ; then
   error "--board is required."
   exit 1
 fi
 
+check_blacklist() {
+  info "Verifying that the base image does not contain a blacklisted package."
+  info "Generating list of packages for chromeos-base/chromeos."
+  local package_blacklist_file="${SCRIPTS_DIR}/chromeos_blacklist"
+  if [ ! -e "${package_blacklist_file}" ]; then
+    warn "Missing blacklist file."
+    return
+  fi
+  local blacklisted_packages=$(${SCRIPTS_DIR}/get_package_list \
+      --board="${FLAGS_board}" chromeos-base/chromeos \
+      | grep -x -f "${package_blacklist_file}")
+  if [ -n "${blacklisted_packages}" ]; then
+    die "Blacklisted packages found: ${blacklisted_packages}."
+  fi
+  info "No blacklisted packages found."
+}
+
+check_blacklist
+
 # Verify user didn't specify incompatible flags for dev install shim
 if [ "${FLAGS_factory_install}" -eq "${FLAGS_TRUE}" ] &&
    [ "${FLAGS_dev_install}" -eq "${FLAGS_TRUE}" ] ; then
   die "Incompatible flags: --factory_install and --dev_install cannot be \
 both set to True. Please specify one or none."
 fi
 
 INSTALL_MASK=""
 if [ "${FLAGS_installmask}" -eq "${FLAGS_TRUE}" ] ; then
   INSTALL_MASK="${DEFAULT_INSTALL_MASK}"
@@ skipping 655 matching lines @@
   echo "Developer image created as ${DEVELOPER_IMAGE_NAME}"
 fi
 
 print_time_elapsed
 
 echo "To copy to USB keyfob, do something like:"
 echo "  ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
 echo "To convert to VMWare image, INSIDE the chroot, do something like:"
 echo "  ./image_to_vm.sh --from=${OUTSIDE_OUTPUT_DIR} --board=${BOARD}"
 echo "from the scripts directory where you entered the chroot."