brakeman 5.2.2: undefined method `sexp_type' for nil:NilClass

[karlxavier]

Background

Brakeman version: 5.2.2
Rails version: 6.1
Ruby version: 3.1.1

• I have this error while running brakeman and i dont know why and what cause this errors

Parse Error

/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `eval'
/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `<main>'
While formatting s(:hash, s(:lit, :current_contract), nil, s(:lit, :vacancy), s(:call, s(:const, :Vacancy), :find, s(:call, s(:params), :[], s(:lit, :id)))): undefined method `sexp_type' for nil:NilClass
        t = v.sexp_type
...
...
...
/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `eval'
/.rvm/gems/ruby-3.1.1/bin/ruby_executable_hooks:22:in `<main>'
While formatting s(:call, s(:colon2, s(:const, :Vacancy), :Copy), :new, s(:hash, s(:lit, :current_contract), nil, s(:lit, :vacancy), s(:call, s(:const, :Vacancy), :find, s(:call, s(:params), :[], s(:lit, :id))))): undefined method `empty?' for nil:NilClass
        next if arg.empty?

[presidentbeef]

Hi @karlxavier - this is a bug in ruby2ruby not supporting hash shorthand syntax.

The code causing this looks something like:

{ current_contract:, vacancy: Vacancy.find(params[:id]) }

It's possible #1701 will fix this for you, otherwise I've opened seattlerb/ruby2ruby#55