Adjusts negative ifs to unless.

lib/xcpretty/parser.rb

@@ -419,9 +419,7 @@ def parse(text)
  when SHELL_COMMAND_MATCHER
  formatter.format_shell_command($1, $2)
  when GENERIC_WARNING_MATCHER
- if !ENV["XCPRETTY_INHIBIT_WARNINGS"]
- formatter.format_warning($1)
- end 
+ formatter.format_warning($1) unless should_inhibit_warnings
  when WILL_NOT_BE_CODE_SIGNED_MATCHER
  formatter.format_will_not_be_code_signed($1)
  else
@@ -462,10 +460,8 @@ def update_error_state(text)
  @formatting_error = true
  update_error.call
  elsif text =~ COMPILE_WARNING_MATCHER
- if !ENV["XCPRETTY_INHIBIT_WARNINGS"]
- @formatting_warning = true
- update_error.call
- end
+ @formatting_warning = true unless should_inhibit_warnings
+ update_error.call unless should_inhibit_warnings
  elsif text =~ CURSOR_MATCHER
  current_issue[:cursor] = $1.chomp
  elsif @formatting_error || @formatting_warning
@@ -595,6 +591,10 @@ def unescaped(*escaped_values)
  escaped_values.map { |v| v.delete('\\') }
  end
 
+ def should_inhibit_warnings
+ ENV["XCPRETTY_INHIBIT_WARNINGS"] != nil
+ end
+
  end
 end