Commit cf65b429 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(file-chase-links): Handle leading .. in symlink target.

parent 3517b2e9
......@@ -351,6 +351,20 @@ unlike `file-truename'."
(while (setq tem (file-symlink-p newname))
(if (= count 0)
(error "Apparent cycle of symbolic links for %s" filename))
;; Handle `..' by hand, since it needs to work in the
;; target of any directory symlink.
;; This code is not quite complete; it does not handle
;; embedded .. in some cases such as ./../foo and foo/bar/../../../lose.
(while (string-match "\\.\\./" tem)
(setq tem (substring tem 3))
(setq newname (file-name-as-directory
;; Do the .. by hand.
;; Chase links in the default dir of the symlink.
(file-name-directory newname))))))))
(setq newname (expand-file-name tem (file-name-directory newname)))
(setq count (1- count)))
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