Convert "BUG=foo" to "(issue foo)" in push-to-trunk.sh

tools/push-to-trunk.sh

 #!/bin/bash
 # Copyright 2011 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 184 matching lines @@
   persist "BUILD"
 
   DATE=$(date +%Y-%m-%d)
   persist "DATE"
   echo "$DATE: Version $MAJOR.$MINOR.$BUILD" > "$CHANGELOG_ENTRY_FILE"
   echo "" >> "$CHANGELOG_ENTRY_FILE"
   COMMITS=$(git log $LASTPUSH..HEAD --format=%H)
   for commit in $COMMITS ; do
     # Get the commit's title line.
     git log -1 $commit --format="%w(80,8,8)%s" >> "$CHANGELOG_ENTRY_FILE"
-    # Grep for "BUG=xxxx" lines in the commit message.
-    git log -1 $commit --format="%b" | grep BUG= | grep -v "BUG=$" \
-                                     | sed -e 's/^/        /' \
-                                     >> "$CHANGELOG_ENTRY_FILE"
+    # Grep for "BUG=xxxx" lines in the commit message and convert them to
+    # "(issue xxxx)".
+    git log -1 $commit --format="%B" \
+        | grep "^BUG=" | grep -v "BUG=$" \
+        | sed -e 's/^/        /' \
+        | sed -e 's/BUG=v8:\(.*\)$/(issue \1)/' \
+        | sed -e 's/BUG=\(.*\)$/(Chromium issue \1)/' \
+        >> "$CHANGELOG_ENTRY_FILE"
     # Append the commit's author for reference.
     git log -1 $commit --format="%w(80,8,8)(%an)" >> "$CHANGELOG_ENTRY_FILE"
     echo "" >> "$CHANGELOG_ENTRY_FILE"
   done
 fi
 
 if [ $STEP -le 5 ] ; then
   echo ">>> Step 5: Edit ChangeLog entry."
   echo -n "Please press <Return> to have your EDITOR open the ChangeLog entry, \
 then edit its contents to your liking. When you're done, save the file and \
@@ skipping 203 matching lines @@
   echo ">>> Step 20: Done!"
   restore_if_unset "MAJOR"
   restore_if_unset "MINOR"
   restore_if_unset "BUILD"
   echo "Congratulations, you have successfully created the trunk revision \
 $MAJOR.$MINOR.$BUILD. Please don't forget to update the v8rel spreadsheet, \
 and to roll this new version into Chromium."
   # Clean up all temporary files.
   rm -f "$PERSISTFILE_BASENAME"*
 fi