diff --git a/lisp/files.el b/lisp/files.el index eb61fff1de1..038dc538a66 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -484,6 +484,13 @@ Type \\[describe-variable] directory-abbrev-alist RET for more information." (concat "~" (substring filename (match-end 0))))) filename)) +(defvar find-file-not-true-dirname-list nil + "*List of logical names for which visiting shouldn't save the true dirname. +On VMS, when you visit a file using a logical name that searches a path, +you may or may not want the visited file name to record the specific +directory where the file was found. If you *do not* want that, add the logical +name to this list as a string.") + (defun find-file-noselect (filename &optional nowarn) "Read file FILENAME into a buffer and return the buffer. If a buffer exists visiting FILENAME, return that one, but @@ -577,7 +584,16 @@ The buffer is not selected, just returned to the caller." (setq hooks (cdr hooks)))))) ;; Find the file's truename, and maybe use that as visited name. (setq buffer-file-truename (abbreviate-file-name truename)) - (setq buffer-file-number number) + (setq buffer-file-number number) + ;; On VMS, we may want to remember which directory in a search list + ;; the file was found in. + (and (eq system-type 'vax-vms) + (let (logical) + (if (string-match ":" (file-name-directory filename)) + (setq logical (substring (file-name-directory filename) + 0 (match-beginning 0)))) + (not (member logical find-file-not-true-dirname-list))) + (setq buffer-file-name buffer-file-truename)) (if find-file-visit-truename (setq buffer-file-name (setq filename buffer-file-truename))) ;; Set buffer's default directory to that of the file.