This allows `./mach lint` to be used with integrations that expect to pass in file contents on stdin and get a fixed version of the file on stdout. Differential Revision: https://phabricator.services.mozilla.com/D236224
This allows `./mach lint` to be used with integrations that expect to pass in file contents on stdin and get a fixed version of the file on stdout. Differential Revision: https://phabricator.services.mozilla.com/D236224