From 392b57b8e848a3008a0851d3212a4657870230a1 Mon Sep 17 00:00:00 2001
From: "Joseph C. Sible" <josephcsible@users.noreply.github.com>
Date: Sun, 2 Feb 2020 00:27:05 -0500
Subject: [PATCH] Use maybe instead of isJust and fromJust

---
 src/ShellCheck/Checks/ShellSupport.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ShellCheck/Checks/ShellSupport.hs b/src/ShellCheck/Checks/ShellSupport.hs
index 742cfa5..b643525 100644
--- a/src/ShellCheck/Checks/ShellSupport.hs
+++ b/src/ShellCheck/Checks/ShellSupport.hs
@@ -491,7 +491,7 @@ checkBraceExpansionVars = ForShell [Bash] f
     toString t = fromJust $ getLiteralStringExt literalExt t
     isEvaled t = do
         cmd <- getClosestCommandM t
-        return $ isJust cmd && fromJust cmd `isUnqualifiedCommand` "eval"
+        return $ maybe False (`isUnqualifiedCommand` "eval") cmd
 
 
 prop_checkMultiDimensionalArrays1 = verify checkMultiDimensionalArrays "foo[a][b]=3"