Ruby lint. Sorta.

github.com/kevinclark/nitpick/wikis

Clio:nitpick kev$ ./bin/nitpick spec/fixtures/block_badness.rb \ > spec/fixtures/branch_badness.rb \ > spec/fixtures/method_badness.rb \ > spec/fixtures/rescue_badness.rb \ > spec/fixtures/local_variable_badness.rb ./spec/fixtures/branch_badness.rb:20: warning: found = in conditional, should be == Fixtures::BlockBadness

no_conditional_for_block_given
  - A block is being yielded to without a check for block_given?
simple_conditional_without_check
  - A block is being yielded to without a check for block_given?

Fixtures::BranchBadness

branch_returning_identical_things
  - The branches of 'if (true)' are identical.
branch_returning_true_or_false
  - No need for an if. Just return '(1 == 2)' as a boolean.
branch_with_assignment_as_condition
  - An assigment is being used as a condition: (a = 1)
  - The variable :a is unused.

Fixtures::LocalVariableBadness

anonymous_args
  - The method :anonymous_args is empty.
block_arg_unused
  - The argument :block is unused.
lvar_shadowed
  - One or more variables are being shadowed (x)
lvar_shadowed_many_block_vars
  - One or more variables are being shadowed (x)
rescue_to_variable
  - The variable :e is unused.
simple_unused_arg
  - The argument :other is unused.
unused_arg
  - The argument :arg is unused.
unused_lasgn
  - The variable :bar is unused.

Fixtures::MethodBadness

empty_method
  - The method :empty_method is empty.

Fixtures::RescueBadness

rescue_exception
  - A rescue is capturing Object or Exception, which may hide errors.
rescue_nil
  - A rescue is returning "nil" directly and may not handle an error.
rescue_object
  - A rescue is capturing Object or Exception, which may hide errors.