[clang] 2f90668 - clang-format.el: Make clang-format work in indirect buffers.

[Sam McCall via cfe-commits]

Author: Philipp Stephani
Date: 2022-02-23T17:00:12+01:00
New Revision: 2f906683ed14668ceed1f85922789abffd8429fd

URL: https://github.com/llvm/llvm-project/commit/2f906683ed14668ceed1f85922789abffd8429fd
DIFF: https://github.com/llvm/llvm-project/commit/2f906683ed14668ceed1f85922789abffd8429fd.diff

LOG: clang-format.el: Make clang-format work in indirect buffers.

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

Added: 
    

Modified: 
    clang/tools/clang-format/clang-format.el

Removed: 
    


################################################################################
diff  --git a/clang/tools/clang-format/clang-format.el b/clang/tools/clang-format/clang-format.el
index 768acb3a5d0dd..4e6daa82d4ade 100644
--- a/clang/tools/clang-format/clang-format.el
+++ b/clang/tools/clang-format/clang-format.el
@@ -147,7 +147,7 @@ uses the function `buffer-file-name'."
     (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))