in scripts/util.py [0:0]
def copy_directory_contents(src, dst):
"""Link the contents of one directory into another."""
src = os.path.normpath(src)
dst = os.path.normpath(dst)
assert os.path.isdir(src)
assert os.path.isdir(dst)
skipped = 0
for name in files_under_root(src):
name = os.path.normpath(name)
skipped += link_files(name, src, dst)
if skipped:
logging.warning("To overwrite a skipped file, "
"delete the file and rerun the script.")