ENH search for hlint binary properly in flycheck
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773e23b81f
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b5968b2016
26
etc/conf.org
26
etc/conf.org
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@ -737,6 +737,24 @@ Since flyspell mode is enabled in so many buffers, use a short modeline alias.
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*** syntax checking
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Flycheck will highlight and explain syntax errors in code and formatting. See each language below for external tools that need to be installed to make flycheck work to the fullest.
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#+BEGIN_SRC emacs-lisp
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(defun nd/flycheck-executable-find (exe)
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"Find EXE like `flycheck-default-executable-find' with exceptions.
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These exceptions mostly apply to finding binaries in environments
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where the PATH is not obvious"
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(cond
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;; hlint should be installed in the compiler-tools directory for each
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;; GHC version; since flycheck has no idea what this means, intervene
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;; manually
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((equal exe "hlint")
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(or (->> "stack path --compiler-tools-bin 2> /dev/null"
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(shell-command-to-string)
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(s-trim)
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(list)
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(locate-file exe))
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(flycheck-default-executable-find exe)))
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(t (flycheck-default-executable-find exe))))
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(use-package flycheck
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:straight t
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:hook
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@ -747,6 +765,7 @@ Flycheck will highlight and explain syntax errors in code and formatting. See ea
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mode-enabled)
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flycheck-idle-change-delay 2
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flycheck-error-list-minimum-level 'warning
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flycheck-executable-find #'nd/flycheck-executable-find
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flycheck-navigation-minimum-level 'warning)
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(delight 'flycheck-mode "ϕ" "flycheck"))
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#+END_SRC
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@ -1113,13 +1132,6 @@ I have also found this to be much simpler and conflicting with other packages su
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;; unnecessary to see on the modeline
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(delight 'subword-mode nil "subword"))
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#+END_SRC
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**** hlint
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This is an additional syntax checker and requires the =hlint= binary.
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#+BEGIN_SRC emacs-lisp
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(with-eval-after-load 'haskell
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(flycheck-add-next-checker 'haskell-stack-ghc '(t . haskell-hlint)))
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#+END_SRC
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**** helper functions
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Other helper functions that make haskell even more fun.
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