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Guess a project's setting from it's .cabal file #468

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Feb 14, 2015
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Guess a project's setting from it's .cabal file #468

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14 changes: 14 additions & 0 deletions haskell-cabal.el
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,20 @@
(setq val (replace-match "" t t val))))
val)))))

;;;###autoload
(defun haskell-guess-setting (name)
"Guess the specified setting of this project.
If there is no valid .cabal file to get the setting from (or
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))))
(when (and cabal-file (file-readable-p cabal-file))
(with-temp-buffer
(insert-file-contents cabal-file)
(haskell-cabal-get-setting name))))))

;;;###autoload
(defun haskell-cabal-get-dir ()
"Get the Cabal dir for a new project. Various ways of figuring this out,
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