diff options
Diffstat (limited to 'rust-mode.el')
| -rw-r--r-- | rust-mode.el | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/rust-mode.el b/rust-mode.el index 164c95b..6259b48 100644 --- a/rust-mode.el +++ b/rust-mode.el @@ -1258,8 +1258,10 @@ This is written mainly to be used as `end-of-defun-function' for Rust." (erase-buffer) (insert-buffer-substring buf) (if (zerop (call-process-region (point-min) (point-max) rust-rustfmt-bin t t nil)) - (progn (copy-to-buffer buf (point-min) (point-max)) - (kill-buffer)) + (progn + (if (not (string= (buffer-string) (with-current-buffer buf (buffer-string)))) + (copy-to-buffer buf (point-min) (point-max))) + (kill-buffer)) (error "Rustfmt failed, see *rustfmt* buffer for details")))) (defun rust-format-buffer () |