copyright.py needed an addition for unordered_dense.h. Then, when running it, I saw it complain about some .pyc files I had in the source tree. I don't know why I had these, but the script should ignore them. For this, Kévin suggested using "git ls-files" to determine which files to update -- that should automatically exclude any random files in the tree. This version of the patch makes this change. There were complaints about some sim/ppc files that were renamed. Ignoring the entire directory seems simpler given the comment. I also made a few more minor changes: * Removed the 'CVS' exclusion, as this hasn't been relevant in years. * Moved the 'copying.c' exclusion to EXCLUDE_LIST * Changed the script to run from the top level (we could have it automatically find this if we really wanted). After this lands, I plan to run it and check in the result. The patch may be too large (and certainly too uninteresting) to post, so if/when this happens I will send a brief note to the list about it. Approved-By: Simon Marchi <simon.marchi@efficios.com>