1 files changed, 35 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180822.214/nix-format.el b/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180822.214/nix-format.el
new file mode 100644
index 000000000000..e9a65a6a41c7
--- /dev/null
+++ b/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180822.214/nix-format.el
@@ -0,0 +1,35 @@
+;;; nix-format.el --- Nix formatter -*- lexical-binding: t -*-
+
+;; This file is NOT part of GNU Emacs.
+
+;;; Commentary:
+
+;;; Code:
+
+(defcustom nix-nixfmt-bin "nixfmt"
+  "Path to nixfmt executable."
+  :group 'nix
+  :type 'string)
+
+(defun nix--format-call (buf)
+  "Format BUF using nixfmt."
+  (with-current-buffer (get-buffer-create "*nixfmt*")
+    (erase-buffer)
+    (insert-buffer-substring buf)
+    (if (zerop (call-process-region (point-min) (point-max) nix-nixfmt-bin t t nil))
+        (progn
+          (if (not (string= (buffer-string) (with-current-buffer buf (buffer-string))))
+              (copy-to-buffer buf (point-min) (point-max)))
+          (kill-buffer))
+      (error "Nixfmt failed, see *nixfmt* buffer for details"))))
+
+(defun nix-format-buffer ()
+  "Format the current buffer using nixfmt."
+  (interactive)
+  (unless (executable-find nix-nixfmt-bin)
+    (error "Could not locate executable \"%s\"" nix-nixfmt-bin))
+  (nix--format-call (current-buffer))
+  (message "Formatted buffer with nixfmt."))
+
+(provide 'nix-format)
+;;; nix-format.el ends here