Variable: haskell-ts-format-command
haskell-ts-format-command is a customizable variable defined in
haskell-ts-mode.el.
Value
"ormolu --stdin-input-file %s"
Documentation
The command used to call the formatter. The input is given as the
standard input. This string is passed to format, with the one
argument being the buffer-file-name(var)/buffer-file-name(fun).
Source Code
;; Defined in /nix/store/84k99g1lc4gz6zw2djcsyzr9zviz842h-emacs-packages-deps/share/emacs/site-lisp/elpa/haskell-ts-mode-1.3.5/haskell-ts-mode.el
(defcustom haskell-ts-format-command "ormolu --stdin-input-file %s"
"The command used to call the formatter. The input is given as the
standard input. This string is passed to `format', with the one
argument being the `buffer-file-name'."
:type 'string)