Warn about missing shebangs.

ShellCheck/Options.hs

@@ -0,0 +1,14 @@
+module ShellCheck.Options where
+
+data Shell = Ksh | Zsh | Sh | Bash
+    deriving (Show, Eq)
+
+data AnalysisOptions = AnalysisOptions {
+    optionShellType :: Maybe Shell,
+    optionExcludes :: [Integer]
+}
+
+defaultAnalysisOptions = AnalysisOptions {
+    optionShellType = Nothing,
+    optionExcludes = []
+}