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Use null instead of comparing with empty lists

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This commit is contained in:
Joseph C. Sible
2020-02-01 22:50:21 -05:00
parent e6e89d68fd
commit c29b6afa56
5 changed files with 14 additions and 14 deletions
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2
src/ShellCheck/Parser.hs
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@@ -3169,7 +3169,7 @@ readScriptFile sourced = do
Nothing -> parseProblemAt pos ErrorC 1008 "This shebang was unrecognized. ShellCheck only supports sh/bash/dash/ksh. Add a 'shell' directive to specify."
isValidShell s =
let good = s == "" || any (`isPrefixOf` s) goodShells
let good = null s || any (`isPrefixOf` s) goodShells
bad = any (`isPrefixOf` s) badShells
in
if good