Fix problem with files like "~" in `directory-files-recursively'

* lisp/files.el (directory-files-recursively): Don't bug out on
files like "~" that have special meaning to `expand-file-name'
(bug#36490).

1 files changed, 8 insertions, 7 deletions

diff --git a/lisp/files.el b/lisp/files.el
index e8a44af8ea5..b2249bfcb48 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -819,17 +819,18 @@ order, and files from each directory are sorted in alphabetical order.
 Each file name appears in the returned list in its absolute form.
 Optional argument INCLUDE-DIRECTORIES non-nil means also include in the
 output directories whose names match REGEXP."
-  (let ((result nil)
-	(files nil)
-	;; When DIR is "/", remote file names like "/method:" could
-	;; also be offered.  We shall suppress them.
-	(tramp-mode (and tramp-mode (file-remote-p (expand-file-name dir)))))
+  (let* ((result nil)
+	 (files nil)
+         (dir (directory-file-name dir))
+	 ;; When DIR is "/", remote file names like "/method:" could
+	 ;; also be offered.  We shall suppress them.
+	 (tramp-mode (and tramp-mode (file-remote-p (expand-file-name dir)))))
     (dolist (file (sort (file-name-all-completions "" dir)
 			'string<))
       (unless (member file '("./" "../"))
 	(if (directory-name-p file)
 	    (let* ((leaf (substring file 0 (1- (length file))))
-		   (full-file (expand-file-name leaf dir)))
+		   (full-file (concat dir "/" leaf)))
 	      ;; Don't follow symlinks to other directories.
 	      (unless (file-symlink-p full-file)
 		(setq result
@@ -839,7 +840,7 @@ output directories whose names match REGEXP."
 			 (string-match regexp leaf))
 		(setq result (nconc result (list full-file)))))
 	  (when (string-match regexp file)
-	    (push (expand-file-name file dir) files)))))
+	    (push (concat dir "/" file) files)))))
     (nconc result (nreverse files))))
 
 (defvar module-file-suffix)