Rerun dialyzer after changing dependency in an Elixir project

rerun_dialyzer.md

Oh noes! Are you getting an error reported by dialyzer that is related to a mix.exs dependency, and you want to modify the dependency to try to change the behavior?

With a regular dependency, let's say you modify a file inside of deps/foo/*. Run the following:

1. mix deps.compile foo
2. mix dialyzer.build && mix dialyzer

With a dependency specified with the file: ... option, you only need:

mix dialyzer.build && mix dialyzer