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lang/haskell: fail gracefully if stack isn't installed

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Henrik Lissner 2018-02-14 07:44:49 -05:00
parent 871883cd89
commit 0ccdc065f9
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2 changed files with 13 additions and 1 deletions
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modules/lang/haskell/autoload.el Normal file
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;;; lang/haskell/autoload.el -*- lexical-binding: t; -*-
;;;###autoload
(defun +haskell|init-intero ()
"Initializes `intero-mode' in haskell-mode, unless stack isn't installed.
This is necessary because `intero-mode' doesn't do its own error checks."
(when (derived-mode-p 'haskell-mode)
(if (executable-find "stack")
(intero-mode +1)
(message "Couldn't find stack. Refusing to enable intero-mode."))))