For C, we use clang-format-linter. It would be interesting to add it to the nasqueron/arcanist image.
Future integration
upstream See also https://secure.phabricator.com/T9870
Container
nasqueron/arcanist container
[root@a5456f5f2e6d workspace (master *=)]# arc which Usage Exception: Failed to load phutil library at location 'clang-format-linter'. This library is specified by the "load" setting in ".arcconfig". Check that the setting is correct and the library is located in the right place.