In an indirect buffer, buffer-file-name is nil, so check the base buffer
instead. This works fine in direct buffers where buffer-base-buffer returns
nil.
Reviewed By: sammccall
Differential Revision: https://reviews.llvm.org/D120408
(setq style clang-format-style))
(unless assume-file-name
- (setq assume-file-name buffer-file-name))
+ (setq assume-file-name (buffer-file-name (buffer-base-buffer))))
(let ((file-start (clang-format--bufferpos-to-filepos start 'approximate
'utf-8-unix))