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Buffer's directory must exist when finding cabal file #506

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Buffer's directory must exist when finding cabal file #506

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3 changes: 2 additions & 1 deletion haskell-cabal.el
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,8 @@ there is no corresponding setting with that name in the .cabal
file), then this function returns nil."
(interactive)
(when (and name buffer-file-name)
(let ((cabal-file (haskell-cabal-find-file (file-name-directory buffer-file-name))))
(let* ((dir (file-name-directory buffer-file-name))
(cabal-file (when (file-directory-p dir) (haskell-cabal-find-file dir))))
(when (and cabal-file (file-readable-p cabal-file))
(with-temp-buffer
(insert-file-contents cabal-file)
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