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[Emacs-diffs] master fc0fd24: Fix further problems with quoted file name


From: Michael Albinus
Subject: [Emacs-diffs] master fc0fd24: Fix further problems with quoted file names in Tramp
Date: Fri, 9 Dec 2016 18:54:36 +0000 (UTC)

branch: master
commit fc0fd24c105bde4c001ebebe4b8b7e1f96cd2871
Author: Michael Albinus <address@hidden>
Commit: Michael Albinus <address@hidden>

    Fix further problems with quoted file names in Tramp
    
    * lisp/net/tramp.el (tramp-quoted-name-p, tramp-quote-name)
    (tramp-unquote-name): Move defsubst ...
    * lisp/net/tramp-compat.el (tramp-compat-file-name-quoted-p)
    (tramp-compat-file-name-quote)
    (tramp-compat-file-name-unquote): ... here. Adapt callees.
    
    * lisp/net/tramp-cache.el (tramp-flush-file-property)
    (tramp-flush-directory-property):
    * lisp/net/tramp-gvfs.el (tramp-gvfs-url-file-name):
    * lisp/net/tramp-sh.el (tramp-make-copy-program-file-name):
    * lisp/net/tramp-smb.el (tramp-smb-handle-copy-file)
    (tramp-smb-handle-substitute-in-file-name)
    (tramp-smb-get-share, tramp-smb-get-localname): Handle quoted files.
---
 lisp/net/tramp-cache.el      |   24 ++++++++++++++----------
 lisp/net/tramp-compat.el     |   31 +++++++++++++++++++++++++++++++
 lisp/net/tramp-gvfs.el       |    1 +
 lisp/net/tramp-sh.el         |   14 +++++++-------
 lisp/net/tramp-smb.el        |   30 ++++++++++++++++++------------
 lisp/net/tramp.el            |   27 +++------------------------
 test/lisp/net/tramp-tests.el |   14 +++++++-------
 7 files changed, 81 insertions(+), 60 deletions(-)

diff --git a/lisp/net/tramp-cache.el b/lisp/net/tramp-cache.el
index 531044f..0d90017 100644
--- a/lisp/net/tramp-cache.el
+++ b/lisp/net/tramp-cache.el
@@ -107,6 +107,7 @@ matching entries of `tramp-connection-properties'."
   "Get the PROPERTY of FILE from the cache context of KEY.
 Returns DEFAULT if not set."
   ;; Unify localname.  Remove hop from vector.
+  (setq file (tramp-compat-file-name-unquote file))
   (setq key (copy-sequence key))
   (aset key 3 (tramp-run-real-handler 'directory-file-name (list file)))
   (aset key 4 nil)
@@ -140,6 +141,7 @@ Returns DEFAULT if not set."
   "Set the PROPERTY of FILE to VALUE, in the cache context of KEY.
 Returns VALUE."
   ;; Unify localname.  Remove hop from vector.
+  (setq file (tramp-compat-file-name-unquote file))
   (setq key (copy-sequence key))
   (aset key 3 (tramp-run-real-handler 'directory-file-name (list file)))
   (aset key 4 nil)
@@ -159,28 +161,26 @@ Returns VALUE."
   (let* ((file (tramp-run-real-handler
                'directory-file-name (list file)))
         (truename (tramp-get-file-property key file "file-truename" nil)))
-    ;; Remove file properties of symlinks.
-    (when (and (stringp truename)
-              (not (string-equal file (directory-file-name truename))))
-      (tramp-flush-file-property key truename))
     ;; Unify localname.  Remove hop from vector.
+    (setq file (tramp-compat-file-name-unquote file))
     (setq key (copy-sequence key))
     (aset key 3 file)
     (aset key 4 nil)
     (tramp-message key 8 "%s" file)
-    (remhash key tramp-cache-data)))
+    (remhash key tramp-cache-data)
+    ;; Remove file properties of symlinks.
+    (when (and (stringp truename)
+              (not (string-equal file (directory-file-name truename))))
+      (tramp-flush-file-property key truename))))
 
 ;;;###tramp-autoload
 (defun tramp-flush-directory-property (key directory)
   "Remove all properties of DIRECTORY in the cache context of KEY.
 Remove also properties of all files in subdirectories."
+  (setq directory (tramp-compat-file-name-unquote directory))
   (let* ((directory (tramp-run-real-handler
                    'directory-file-name (list directory)))
         (truename (tramp-get-file-property key directory "file-truename" nil)))
-    ;; Remove file properties of symlinks.
-    (when (and (stringp truename)
-              (not (string-equal directory (directory-file-name truename))))
-      (tramp-flush-directory-property key truename))
     (tramp-message key 8 "%s" directory)
     (maphash
      (lambda (key _value)
@@ -188,7 +188,11 @@ Remove also properties of all files in subdirectories."
                  (string-match (regexp-quote directory)
                                (tramp-file-name-localname key)))
         (remhash key tramp-cache-data)))
-     tramp-cache-data)))
+     tramp-cache-data)
+    ;; Remove file properties of symlinks.
+    (when (and (stringp truename)
+              (not (string-equal directory (directory-file-name truename))))
+      (tramp-flush-directory-property key truename))))
 
 ;; Reverting or killing a buffer should also flush file properties.
 ;; They could have been changed outside Tramp.  In eshell, "ls" would
diff --git a/lisp/net/tramp-compat.el b/lisp/net/tramp-compat.el
index a079b67..9f1c64d 100644
--- a/lisp/net/tramp-compat.el
+++ b/lisp/net/tramp-compat.el
@@ -347,6 +347,37 @@ This is a string of ten letters or dashes as in ls -l."
            (unload-feature 'tramp-loaddefs 'force)
            (unload-feature 'tramp-compat 'force)))
 
+;; `file-name-quoted-p', `file-name-quote' and `file-name-unquote' are
+;; introduced in Emacs 26.
+(if (fboundp 'file-name-quoted-p)
+    (defalias 'tramp-compat-file-name-quoted-p 'file-name-quoted-p)
+  (defsubst tramp-compat-file-name-quoted-p (name)
+    "Whether NAME is quoted with prefix \"/:\".
+If NAME is a remote file name, check the local part of NAME."
+    (string-match "^/:" (or (file-remote-p name 'localname) name))))
+
+(if (fboundp 'file-name-quote)
+    (defalias 'tramp-compat-file-name-quote 'file-name-quote)
+  (defsubst tramp-compat-file-name-quote (name)
+    "Add the quotation prefix \"/:\" to file NAME.
+If NAME is a remote file name, the local part of NAME is quoted."
+    (concat
+     (file-remote-p name) "/:" (or (file-remote-p name 'localname) name))))
+
+(if (fboundp 'file-name-unquote)
+    (defalias 'tramp-compat-file-name-unquote 'file-name-unquote)
+  (defsubst tramp-compat-file-name-unquote (name)
+    "Remove quotation prefix \"/:\" from file NAME.
+If NAME is a remote file name, the local part of NAME is unquoted."
+    (save-match-data
+      (let ((localname (or (file-remote-p name 'localname) name)))
+       (when (tramp-compat-file-name-quoted-p localname)
+         (setq
+          localname
+          (replace-match
+           (if (= (length localname) 2) "/" "") nil t localname)))
+       (concat (file-remote-p name) localname)))))
+
 (provide 'tramp-compat)
 
 ;;; TODO:
diff --git a/lisp/net/tramp-gvfs.el b/lisp/net/tramp-gvfs.el
index d87de46..46f2523 100644
--- a/lisp/net/tramp-gvfs.el
+++ b/lisp/net/tramp-gvfs.el
@@ -1232,6 +1232,7 @@ file-notify events."
 (defun tramp-gvfs-url-file-name (filename)
   "Return FILENAME in URL syntax."
   ;; "/" must NOT be hexlified.
+  (setq filename (tramp-compat-file-name-unquote filename))
   (let ((url-unreserved-chars (cons ?/ url-unreserved-chars))
        result)
     (setq
diff --git a/lisp/net/tramp-sh.el b/lisp/net/tramp-sh.el
index a2949f1..52746f6 100644
--- a/lisp/net/tramp-sh.el
+++ b/lisp/net/tramp-sh.el
@@ -1147,8 +1147,8 @@ target of the symlink differ."
       method user host
       (with-tramp-file-property v localname "file-truename"
        (let ((result nil)                      ; result steps in reverse order
-             (quoted (tramp-quoted-name-p localname))
-             (localname (tramp-unquote-name localname)))
+             (quoted (tramp-compat-file-name-quoted-p localname))
+             (localname (tramp-compat-file-name-unquote localname)))
          (tramp-message v 4 "Finding true name for `%s'" filename)
          (cond
           ;; Use GNU readlink --canonicalize-missing where available.
@@ -1243,7 +1243,7 @@ target of the symlink differ."
                (when (string= "" result)
                  (setq result "/")))))
 
-         (when quoted (setq result (tramp-quote-name result)))
+         (when quoted (setq result (tramp-compat-file-name-quote result)))
          (tramp-message v 4 "True name of `%s' is `%s'" localname result)
          result))))
 
@@ -5166,7 +5166,8 @@ Return ATTR."
   (let ((method (tramp-file-name-method vec))
        (user (tramp-file-name-user vec))
        (host (tramp-file-name-real-host vec))
-       (localname (directory-file-name (tramp-file-name-localname vec))))
+       (localname (tramp-compat-file-name-unquote
+                   (directory-file-name (tramp-file-name-localname vec)))))
     (when (string-match tramp-ipv6-regexp host)
       (setq host (format "[%s]" host)))
     (unless (string-match "ftp$" method)
@@ -5175,9 +5176,8 @@ Return ATTR."
      ((tramp-get-method-parameter vec 'tramp-remote-copy-program)
       localname)
      ((not (zerop (length user)))
-      (tramp-unquote-shell-quote-argument
-       (format "address@hidden:%s" user host localname)))
-     (t (tramp-unquote-shell-quote-argument (format "%s:%s" host 
localname))))))
+      (tramp-shell-quote-argument (format "address@hidden:%s" user host 
localname)))
+     (t (tramp-shell-quote-argument (format "%s:%s" host localname))))))
 
 (defun tramp-method-out-of-band-p (vec size)
   "Return t if this is an out-of-band method, nil otherwise."
diff --git a/lisp/net/tramp-smb.el b/lisp/net/tramp-smb.el
index d6d4669..7d0dc66 100644
--- a/lisp/net/tramp-smb.el
+++ b/lisp/net/tramp-smb.el
@@ -604,7 +604,8 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are 
completely ignored."
               v 'file-error "Target `%s' must contain a share name" newname))
            (unless (tramp-smb-send-command
                     v (format "put \"%s\" \"%s\""
-                              filename (tramp-smb-get-localname v)))
+                              (tramp-compat-file-name-unquote filename)
+                              (tramp-smb-get-localname v)))
              (tramp-error
               v 'file-error "Cannot copy `%s' to `%s'" filename newname))))))
 
@@ -1463,15 +1464,18 @@ target of the symlink differ."
   "Like `handle-substitute-in-file-name' for Tramp files.
 \"//\" substitutes only in the local filename part.  Catches
 errors for shares like \"C$/\", which are common in Microsoft Windows."
-  (with-parsed-tramp-file-name filename nil
-    ;; Ignore in LOCALNAME everything before "//".
-    (when (and (stringp localname) (string-match ".+?/\\(/\\|~\\)" localname))
-      (setq filename
-           (concat (file-remote-p filename)
-                   (replace-match "\\1" nil nil localname)))))
-  (condition-case nil
-      (tramp-run-real-handler 'substitute-in-file-name (list filename))
-    (error filename)))
+  ;; Check, whether the local part is a quoted file name.
+  (if (tramp-compat-file-name-quoted-p filename)
+      filename
+    (with-parsed-tramp-file-name filename nil
+      ;; Ignore in LOCALNAME everything before "//".
+      (when (and (stringp localname) (string-match ".+?/\\(/\\|~\\)" 
localname))
+       (setq filename
+             (concat (file-remote-p filename)
+                     (replace-match "\\1" nil nil localname)))))
+    (condition-case nil
+       (tramp-run-real-handler 'substitute-in-file-name (list filename))
+      (error filename))))
 
 (defun tramp-smb-handle-write-region
   (start end filename &optional append visit lockname confirm)
@@ -1521,7 +1525,8 @@ errors for shares like \"C$/\", which are common in 
Microsoft Windows."
 (defun tramp-smb-get-share (vec)
   "Returns the share name of LOCALNAME."
   (save-match-data
-    (let ((localname (tramp-file-name-localname vec)))
+    (let ((localname
+          (tramp-compat-file-name-unquote (tramp-file-name-localname vec))))
       (when (string-match "^/?\\([^/]+\\)/" localname)
        (match-string 1 localname)))))
 
@@ -1529,7 +1534,8 @@ errors for shares like \"C$/\", which are common in 
Microsoft Windows."
   "Returns the file name of LOCALNAME.
 If VEC has no cifs capabilities, exchange \"/\" by \"\\\\\"."
   (save-match-data
-    (let ((localname (tramp-file-name-localname vec)))
+    (let ((localname
+          (tramp-compat-file-name-unquote (tramp-file-name-localname vec))))
       (setq
        localname
        (if (string-match "^/?[^/]+\\(/.*\\)" localname)
diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index 48ae6e0..100be3a 100644
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -1679,27 +1679,6 @@ FILE must be a local file name on a connection 
identified via VEC."
 (font-lock-add-keywords
  'emacs-lisp-mode '("\\<with-tramp-connection-property\\>"))
 
-(defsubst tramp-quoted-name-p (name)
-  "Whether NAME is quoted with prefix \"/:\".
-If NAME is a remote file name, check the local part of NAME."
-  (string-match "^/:" (or (file-remote-p name 'localname) name)))
-
-(defsubst tramp-quote-name (name)
-  "Add the quotation prefix \"/:\" to file NAME.
-If NAME is a remote file name, the local part of NAME is quoted."
-  (concat (file-remote-p name) "/:" (or (file-remote-p name 'localname) name)))
-
-(defsubst tramp-unquote-name (name)
-  "Remove quotation prefix \"/:\" from file NAME.
-If NAME is a remote file name, the local part of NAME is unquoted."
-  (save-match-data
-    (let ((localname (or (file-remote-p name 'localname) name)))
-      (when (tramp-quoted-name-p localname)
-       (setq
-        localname
-        (replace-match (if (= (length localname) 2) "/" "") nil t localname)))
-      (concat (file-remote-p name) localname))))
-
 (defun tramp-drop-volume-letter (name)
   "Cut off unnecessary drive letter from file NAME.
 The functions `tramp-*-handle-expand-file-name' call `expand-file-name'
@@ -3345,7 +3324,7 @@ User is always nil."
   "Like `substitute-in-file-name' for Tramp files.
 \"//\" and \"/~\" substitute only in the local filename part."
   ;; Check, whether the local part is a quoted file name.
-  (if (tramp-quoted-name-p filename)
+  (if (tramp-compat-file-name-quoted-p filename)
       filename
     ;; First, we must replace environment variables.
     (setq filename (tramp-replace-environment-variables filename))
@@ -4105,7 +4084,7 @@ this file, if that variable is non-nil."
               ("|" . "__")
               ("[" . "_l")
               ("]" . "_r"))
-            (tramp-unquote-name (buffer-file-name)))
+            (tramp-compat-file-name-unquote (buffer-file-name)))
            tramp-auto-save-directory))))
     ;; Run plain `make-auto-save-file-name'.
     (tramp-run-real-handler 'make-auto-save-file-name nil)))
@@ -4307,7 +4286,7 @@ T1 and T2 are time values (as returned by `current-time' 
for example)."
 
 (defun tramp-unquote-shell-quote-argument (s)
   "Remove quotation prefix \"/:\" from string S, and quote it then for shell."
-  (shell-quote-argument (tramp-unquote-name s)))
+  (shell-quote-argument (tramp-compat-file-name-unquote s)))
 
 ;; Currently (as of Emacs 20.5), the function `shell-quote-argument'
 ;; does not deal well with newline characters.  Newline is replaced by
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index c2984df..2d17fa0 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -116,7 +116,7 @@ being the result.")
 If LOCAL is non-nil, a local file is created.
 If QUOTED is non-nil, the local part of the file is quoted."
   (funcall
-   (if quoted 'tramp-quote-name 'identity)
+   (if quoted 'tramp-compat-file-name-quote 'identity)
    (expand-file-name
     (make-temp-name "tramp-test")
     (if local temporary-file-directory tramp-test-temporary-file-directory))))
@@ -1252,7 +1252,7 @@ This tests also `file-readable-p', `file-regular-p' and
                  (should
                   (string-equal
                    (funcall
-                    (if quoted 'tramp-quote-name 'identity)
+                    (if quoted 'tramp-compat-file-name-quote 'identity)
                     (car attr))
                    (file-remote-p (file-truename tmp-name1) 'localname)))
                  (delete-file tmp-name2))
@@ -2010,7 +2010,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
                 (string-equal
                  (make-auto-save-file-name)
                  (funcall
-                  (if quoted 'tramp-quote-name 'identity)
+                  (if quoted 'tramp-compat-file-name-quote 'identity)
                   (expand-file-name
                    (format "#%s#" (file-name-nondirectory tmp-name1))
                    tramp-test-temporary-file-directory))))))
@@ -2033,7 +2033,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
                       ("|" . "__")
                       ("[" . "_l")
                       ("]" . "_r"))
-                    (tramp-unquote-name tmp-name1)))
+                    (tramp-compat-file-name-unquote tmp-name1)))
                   tmp-name2)))
                (should (file-directory-p tmp-name2))))
 
@@ -2056,7 +2056,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
                       ("|" . "__")
                       ("[" . "_l")
                       ("]" . "_r"))
-                    (tramp-unquote-name tmp-name1)))
+                    (tramp-compat-file-name-unquote tmp-name1)))
                   tmp-name2)))
                (should (file-directory-p tmp-name2)))))
 
@@ -2188,7 +2188,7 @@ Several special characters do not work properly there."
                      (should
                       (string-equal
                        (funcall
-                        (if quoted 'tramp-quote-name 'identity)
+                        (if quoted 'tramp-compat-file-name-quote 'identity)
                         (car (file-attributes file3)))
                        (file-remote-p (file-truename file1) 'localname)))
                      ;; Check file contents.
@@ -2264,7 +2264,7 @@ Several special characters do not work properly there."
                      (should
                       (string-equal
                        (funcall
-                        (if quoted 'tramp-quote-name 'identity)
+                        (if quoted 'tramp-compat-file-name-quote 'identity)
                         (cadr (car (directory-files-and-attributes
                                     file1 nil (regexp-quote elt1)))))
                        (file-remote-p (file-truename file2) 'localname)))



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