Change the replacement dpkg to respect comment lines in package.whitelist

src/scripts/dpkg_no_scripts.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.
 
 # This script can be used to replace the "dpkg" binary as far as the
 # "apt-get install" command is concerned. When "apt-get install foo"
 # runs it will make two calls to dpkg like:
 #   dpkg --status-fd ## --unpack --auto-deconfigure /path/to/foo.deb
@@ skipping 35 matching lines @@
 set -e
 
 # Returns true if the input file is whitelisted.
 #
 # $1 - The file to check
 is_whitelisted() {
   local whitelist="${SRC_ROOT}/package_scripts/package.whitelist"
   test -f "$whitelist" || return
 
   local checksum=$(md5sum "$1" | awk '{ print $1 }')
-  local count=$(grep -c "$checksum" "${whitelist}" || /bin/true)
+  local count=$(sed -e "s/#.*$//" "${whitelist}" | grep -c "$checksum" \
+                || /bin/true)
   test $count -ne 0
 }
 
 # Returns true if either of the two given files exist and are not whitelisted.
 #
 # $1 - The package name.
 # $2 - The path to the preinst file if it were to exist.
 # $3 - The path to the postinst file if it were to exist.
 has_missing_whitelist() {
   local package=$1
@@ skipping 112 matching lines @@
   do_unpack $@
 elif [ $FLAGS_remove -eq $FLAGS_TRUE ]; then
   # We log but ignore remove requests.
   echo "Ignoring remove: $@"
 else
   echo "dpkg_no_scripts.sh: Unknown or missing command."
   exit 1
 fi
 
 exit 0