stack: no such file

[julien-truffaut]

Hi, I am trying to use haskell-mode with stack but I am getting the following error when I run M-x haskell-process-load-file: Searching for program: no such file or directory, stack

I have the following config:

(req-package haskell-mode
  :config (progn
    (define-key haskell-mode-map (kbd "C-c C-l") 'haskell-process-load-file)
    (add-hook 'haskell-mode-hook 'haskell-doc-mode)
    (add-hook 'haskell-mode-hook 'haskell-indentation-mode)
    (add-hook 'haskell-mode-hook 'interactive-haskell-mode)
    (add-hook 'haskell-mode-hook 'haskell-decl-scan-mode)
    (add-hook 'haskell-mode-hook (lambda ()
                   (electric-indent-local-mode -1)))
    (setq haskell-process-type 'stack-ghci)
    (setq haskell-process-path-ghci "stack")
    (setq haskell-process-args-ghci '("ghci"))

    (setq haskell-process-suggest-remove-import-lines t)
    (setq haskell-process-auto-import-loaded-modules t)
    (setq haskell-process-log nil)
    (setq haskell-stylish-on-save t)))

I have stack on my path and I was using spacemacs previously which could find stack ghci.

[gracjan]

https://github.com/haskell/haskell-mode/wiki/PATH

[julien-truffaut]

Thanks for the link, I added /usr/local/bin to my path but I still get the same error.

For reference:

(getenv "PATH") ==> "/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"

which stack  ==> /usr/local/bin/stack

[fice-t]

Can you get a backtrace? Set debug-on-error and try the command again.

[syohex]

You need to set not only PATH environment variable but also exec-path variable.
And please check M-: (executable-find "stack") too.

See also

• http://ergoemacs.org/emacs/emacs_env_var_paths.html
• https://www.emacswiki.org/emacs/ExecPath

[julien-truffaut]

Thanks! It worked once I added it to exec-path.