Fix the creation of .list files for dpkg with maintainer scripts

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 80 matching lines @@
       else
         # TODO: Eventually should be upgraded to a full error.
         echo "** Warning: Ignoring missing whitelist for ${p}."
       fi
     fi
 
     # Run our maintainer script for this package if we have one.
     local chromium_postinst="${SRC_ROOT}/package_scripts/${p}.postinst"
     if [ -f "$chromium_postinst" ]; then
       echo "Running: $chromium_postinst"
-      ROOT="$FLAGS_root" SRC_ROOT="$SRC_ROOT" sh -x $chromium_postinst
+      ROOT="$FLAGS_root" SRC_ROOT="$SRC_ROOT" $chromium_postinst
     fi
   done
 
   if [ -n "$fallback_packages" ]; then
     dpkg --root="$FLAGS_root" --configure $fallback_packages
   fi
 }
 
 do_unpack() {
   local dpkg_status="$FLAGS_root/var/lib/dpkg/status"
@@ skipping 17 matching lines @@
         # TODO: Eventually should be upgraded to a full error.
         echo "** Warning: Ignoring missing whitelist for ${p}."
       fi
     fi
 
     # Copy the info files
     local files=$(ls "$tmpdir" | grep -v control)
     for f in $files; do
       cp "${tmpdir}/${f}" "${dpkg_info}/${package}.${f}"
     done
-    touch "${dpkg_info}/${package}.list"  # TODO: Proper .list files.
+    dpkg -c "$p" | sed 's,.* \.\/,/,; s/ -> .*//; s,^/$,/.,; s,/$,,' > \
+        "${dpkg_info}/${package}.list"
 
     # Mark the package as installed successfully.
     echo "Status: install ok installed" >> "$dpkg_status"
     cat "${tmpdir}/control" >> "$dpkg_status"
     echo "" >> "$dpkg_status"
 
     rm -rf "$tmpdir"
 
     # Run our maintainer script for this package if we have one.
     local chromium_preinst="${SRC_ROOT}/package_scripts/${package}.preinst"
@@ skipping 19 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