Make Haml-Syntax-Checker compatible with haml ~> 5.0.4

flycheck.el

@@ -7723,7 +7723,8 @@ See URL `http://haml.info'."
   :command ("haml" "-c" "--stdin")
   :standard-input t
   :error-patterns
-  ((error line-start "Syntax error on line " line ": " (message) line-end))
+  ((error line-start "Syntax error on line " line ": " (message) line-end)
+   (error line-start ":" line ": syntax error, " (message) line-end))
   :modes haml-mode)
 
 (flycheck-define-checker handlebars

test/flycheck-test.el

@@ -3241,12 +3241,18 @@ See https://github.com/flycheck/flycheck/issues/531 and Emacs bug #19206"))
    "language/groovy.groovy" 'groovy-mode
    '(2 14 error "unexpected token: {" :checker groovy)))
 
-(flycheck-ert-def-checker-test haml haml nil
+(flycheck-ert-def-checker-test haml haml "haml-error"
   (flycheck-ert-should-syntax-check
-   "language/haml.haml" 'haml-mode
+   "language/haml/haml-error.haml" 'haml-mode
    '(5 nil error "Inconsistent indentation: 3 spaces used for indentation, but the rest of the document was indented using 2 spaces."
        :checker haml)))
 
+(flycheck-ert-def-checker-test haml haml "ruby-error"
+  (flycheck-ert-should-syntax-check
+   "language/haml/ruby-error.haml" 'haml-mode
+   '(1 nil error "unexpected end-of-input"
+       :checker haml)))
+
 (flycheck-ert-def-checker-test handlebars handlebars nil
   (flycheck-ert-should-syntax-check
    "language/handlebars.hbs" '(handlebars-mode web-mode)

test/resources/language/haml/ruby-error.haml

@@ -0,0 +1 @@
+- foo.each do