gecko/tools/update-packaging/test/to
..
{foodir
extensions
searchplugins
added.txt
addFeedPrefs.js
channel-prefs.js
diff-patch-larger-than-file.bin
diff-patch-larger-than-file.txt
force.txt
precomplete
readme.txt
removed-files
same.bin
same.txt
update.manifest

This to file should be ignored