Ruby lint. Sorta. http://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.