Add suggestion level in text for TTY output (fixes #2339)

CHANGELOG.md

@@ -29,6 +29,7 @@
 - SC2181 now only triggers on single condition tests like `[ $? = 0 ]`.
 - Quote warnings are now emitted for declaration utilities in sh
 - Leading `_` can now be used to suppress warnings about unused variables
+- TTY output now includes warning level in text as well as color
 
 ### Removed
 - SC1004: Literal backslash+linefeed in '' was found to be usually correct

src/ShellCheck/Formatter/TTY.hs

@@ -174,7 +174,7 @@ showFixedString color comments lineNum fileLines =
 cuteIndent :: PositionedComment -> String
 cuteIndent comment =
     replicate (fromIntegral $ colNo comment - 1) ' ' ++
-        makeArrow ++ " " ++ code (codeNo comment) ++ ": " ++ messageText comment
+        makeArrow ++ " " ++ code (codeNo comment) ++ " (" ++ severityText comment ++ "): " ++ messageText comment
   where
     arrow n = '^' : replicate (fromIntegral $ n-2) '-' ++ "^"
     makeArrow =