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[Emacs-diffs] master 062757d: Sync with Tramp repository.


From: Michael Albinus
Subject: [Emacs-diffs] master 062757d: Sync with Tramp repository.
Date: Sat, 28 May 2016 10:15:12 +0000 (UTC)

branch: master
commit 062757dca01cff127583438ae16237af55b6253c
Author: Michael Albinus <address@hidden>
Commit: Michael Albinus <address@hidden>

    Sync with Tramp repository.
    
    * lisp/net/tramp-adb.el (tramp-adb-handle-start-file-process):
    * lisp/net/tramp-sh.el (tramp-sh-handle-start-file-process)
    * lisp/net/tramp-smb.el (tramp-smb-handle-start-file-process):
    Create BUFFER if it doesn't exist.  Reported by Nikolay
    Kudryavtsev <address@hidden>.
    
    * lisp/net/tramp-gvfs.el (tramp-gvfs-file-attributes)
    (tramp-gvfs-file-attributes-with-gvfs-ls-regexp)
    (tramp-gvfs-file-attributes-with-gvfs-info-regexp): New defconst.
    (tramp-gvfs-get-directory-attributes)
    (tramp-gvfs-get-root-attributes)
    (tramp-gvfs-get-file-attributes): New defun.
    (tramp-gvfs-handle-file-attributes)
    (tramp-gvfs-handle-file-name-all-completions): Use them.
    (tramp-gvfs-handle-file-directory-p): Use `file-truename'.
    (tramp-gvfs-maybe-open-connection): Set :noquery flag for process.
    (tramp-gvfs-send-command): Add locale settings to `process-environment'.
    (top): Suppress D-Bus error messages during zeroconf initialization.
    
    * lisp/net/tramp.el (tramp-unknown-id-string)
    (tramp-unknown-id-integer): New defconst.
    (tramp-check-cached-permissions)
    * lisp/net/tramp-gvfs.el (tramp-gvfs-handle-file-attributes)
    * lisp/net/tramp-sh.el (tramp-do-file-attributes-with-ls)
    (tramp-convert-file-attributes, tramp-get-remote-uid)
    (tramp-get-remote-gid): Use them.
    
    * lisp/net/tramp-sh.el (tramp-display-escape-sequence-regexp):
    Rename from `tramp-color-escape-sequence-regexp'.
    (tramp-sh-handle-insert-directory)
    (tramp-convert-file-attributes): Adapt callees.
    (tramp-device-escape-sequence-regexp): New defconst.
    (tramp-wait-for-output): Use it.  Reported by Matthías Páll
    Gissurarson <address@hidden>.
    
    * lisp/net/tramp-smb.el (tramp-smb-handle-file-name-all-completions):
    Simplify.
    
    * test/lisp/net/tramp-tests.el (tramp-test26-process-file)
    (tramp-test28-shell-command):
    Use `tramp-display-escape-sequence-regexp'.
---
 lisp/net/tramp-adb.el        |   30 ++--
 lisp/net/tramp-gvfs.el       |  401 ++++++++++++++++++++++++++----------------
 lisp/net/tramp-sh.el         |   57 ++++--
 lisp/net/tramp-smb.el        |   31 ++--
 lisp/net/tramp.el            |   17 +-
 test/lisp/net/tramp-tests.el |   12 +-
 6 files changed, 341 insertions(+), 207 deletions(-)

diff --git a/lisp/net/tramp-adb.el b/lisp/net/tramp-adb.el
index 5940b71..c39d24e 100644
--- a/lisp/net/tramp-adb.el
+++ b/lisp/net/tramp-adb.el
@@ -934,20 +934,22 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are 
completely ignored."
     (unless (stringp program)
       (tramp-error v 'file-error "PROGRAM must be a string"))
 
-    (let ((command
-          (format "cd %s; %s"
-                  (tramp-shell-quote-argument localname)
-                  (mapconcat 'tramp-shell-quote-argument
-                             (cons program args) " ")))
-         (tramp-process-connection-type
-          (or (null program) tramp-process-connection-type))
-         (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
-         (name1 name)
-         (i 0))
-
-      (unless buffer
-       ;; BUFFER can be nil.  We use a temporary buffer.
-       (setq buffer (generate-new-buffer tramp-temp-buffer-name)))
+    (let* ((buffer
+           (if buffer
+               (get-buffer-create buffer)
+             ;; BUFFER can be nil.  We use a temporary buffer.
+             (generate-new-buffer tramp-temp-buffer-name)))
+          (command
+           (format "cd %s; %s"
+                   (tramp-shell-quote-argument localname)
+                   (mapconcat 'tramp-shell-quote-argument
+                              (cons program args) " ")))
+          (tramp-process-connection-type
+           (or (null program) tramp-process-connection-type))
+          (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
+          (name1 name)
+          (i 0))
+
       (while (get-process name1)
        ;; NAME must be unique as process name.
        (setq i (1+ i)
diff --git a/lisp/net/tramp-gvfs.el b/lisp/net/tramp-gvfs.el
index 098d40e..1775c82 100644
--- a/lisp/net/tramp-gvfs.el
+++ b/lisp/net/tramp-gvfs.el
@@ -407,6 +407,42 @@ Every entry is a list (NAME ADDRESS).")
 (defconst tramp-hal-interface-device "org.freedesktop.Hal.Device"
   "The device interface of the HAL daemon.")
 
+(defconst tramp-gvfs-file-attributes
+  '("type"
+    "standard::display-name"
+    ;; We don't need this one.  It is used as delimeter in case the
+    ;; display name contains spaces, which is hard to parse.
+    "standard::icon"
+    "standard::symlink-target"
+    "unix::nlink"
+    "unix::uid"
+    "owner::user"
+    "unix::gid"
+    "owner::group"
+    "time::access"
+    "time::modified"
+    "time::changed"
+    "standard::size"
+    "unix::mode"
+    "access::can-read"
+    "access::can-write"
+    "access::can-execute"
+    "unix::inode"
+    "unix::device")
+  "GVFS file attributes.")
+
+(defconst tramp-gvfs-file-attributes-with-gvfs-ls-regexp
+  (concat "[[:blank:]]"
+         (regexp-opt tramp-gvfs-file-attributes t)
+         "=\\([^[:blank:]]+\\)")
+  "Regexp to parse GVFS file attributes with `gvfs-ls'.")
+
+(defconst tramp-gvfs-file-attributes-with-gvfs-info-regexp
+  (concat "^[[:blank:]]*"
+         (regexp-opt tramp-gvfs-file-attributes t)
+         ":[[:blank:]]+\\(.*\\)$")
+  "Regexp to parse GVFS file attributes with `gvfs-info'.")
+
 
 ;; New handlers should be added here.
 (defconst tramp-gvfs-file-name-handler-alist
@@ -784,127 +820,185 @@ file names."
        (tramp-run-real-handler
        'expand-file-name (list localname))))))
 
-(defun tramp-gvfs-handle-file-attributes (filename &optional id-format)
-  "Like `file-attributes' for Tramp files."
-  (unless id-format (setq id-format 'integer))
+(defun tramp-gvfs-get-directory-attributes (directory)
+  "Return GVFS attributes association list of all files in DIRECTORY."
   (ignore-errors
     ;; Don't modify `last-coding-system-used' by accident.
     (let ((last-coding-system-used last-coding-system-used)
-         (process-environment (cons "LC_MESSAGES=C" process-environment))
-         dirp res-symlink-target res-numlinks res-uid res-gid res-access
-         res-mod res-change res-size res-filemodes res-inode res-device)
+         result)
+      (with-parsed-tramp-file-name directory nil
+       (with-tramp-file-property v localname "directory-gvfs-attributes"
+         (tramp-message v 5 "directory gvfs attributes: %s" localname)
+         ;; Send command.
+         (tramp-gvfs-send-command
+          v "gvfs-ls" "-h" "-n" "-a"
+          (mapconcat 'identity tramp-gvfs-file-attributes ",")
+          (tramp-gvfs-url-file-name directory))
+         ;; Parse output ...
+         (with-current-buffer (tramp-get-connection-buffer v)
+           (goto-char (point-min))
+           (while (re-search-forward
+                   (concat "^\\(.+\\)[[:blank:]]"
+                           "\\([[:digit:]]+\\)[[:blank:]]"
+                           "(\\(.+\\))[[:blank:]]"
+                           "standard::display-name=\\(.+\\)[[:blank:]]"
+                           "standard::icon=")
+                   (point-at-eol) t)
+             (let ((item (list (cons "standard::display-name" (match-string 4))
+                               (cons "type" (match-string 3))
+                               (cons "standard::size" (match-string 2))
+                               (match-string 1))))
+               (while (re-search-forward
+                       tramp-gvfs-file-attributes-with-gvfs-ls-regexp
+                       (point-at-eol) t)
+                 (push (cons (match-string 1) (match-string 2)) item))
+               (push (nreverse item) result))
+             (forward-line)))
+         result)))))
+
+(defun tramp-gvfs-get-root-attributes (filename)
+  "Return GVFS attributes association list of FILENAME."
+  (ignore-errors
+    ;; Don't modify `last-coding-system-used' by accident.
+    (let ((last-coding-system-used last-coding-system-used)
+         result)
       (with-parsed-tramp-file-name filename nil
-       (with-tramp-file-property
-           v localname (format "file-attributes-%s" id-format)
-         (tramp-message v 5 "file attributes: %s" localname)
+       (with-tramp-file-property v localname "file-gvfs-attributes"
+         (tramp-message v 5 "file gvfs attributes: %s" localname)
+         ;; Send command.
          (tramp-gvfs-send-command
           v "gvfs-info" (tramp-gvfs-url-file-name filename))
          ;; Parse output ...
          (with-current-buffer (tramp-get-connection-buffer v)
            (goto-char (point-min))
-           (when (re-search-forward "attributes:" nil t)
-             ;; ... directory or symlink
-             (goto-char (point-min))
-             (setq dirp (if (re-search-forward "type: directory" nil t) t))
-             (goto-char (point-min))
-             (setq res-symlink-target
-                   (if (re-search-forward
-                        "standard::symlink-target: \\(.+\\)$" nil t)
-                       (match-string 1)))
-             ;; ... number links
-             (goto-char (point-min))
-             (setq res-numlinks
-                   (if (re-search-forward "unix::nlink: \\([0-9]+\\)" nil t)
-                       (string-to-number (match-string 1)) 0))
-             ;; ... uid and gid
-             (goto-char (point-min))
-             (setq res-uid
-                   (if (eq id-format 'integer)
-                       (if (re-search-forward "unix::uid: \\([0-9]+\\)" nil t)
-                           (string-to-number (match-string 1))
-                         -1)
-                     (if (re-search-forward "owner::user: \\(.+\\)$" nil t)
-                         (match-string 1)
-                       "UNKNOWN")))
-             (setq res-gid
-                   (if (eq id-format 'integer)
-                       (if (re-search-forward "unix::gid: \\([0-9]+\\)" nil t)
-                           (string-to-number (match-string 1))
-                         -1)
-                     (if (re-search-forward "owner::group: \\(.+\\)$" nil t)
-                         (match-string 1)
-                       "UNKNOWN")))
-             ;; ... last access, modification and change time
-             (goto-char (point-min))
-             (setq res-access
-                   (if (re-search-forward "time::access: \\([0-9]+\\)" nil t)
-                       (seconds-to-time (string-to-number (match-string 1)))
-                     '(0 0)))
-             (goto-char (point-min))
-             (setq res-mod
-                   (if (re-search-forward "time::modified: \\([0-9]+\\)" nil t)
-                       (seconds-to-time (string-to-number (match-string 1)))
-                     '(0 0)))
-             (goto-char (point-min))
-             (setq res-change
-                   (if (re-search-forward "time::changed: \\([0-9]+\\)" nil t)
-                       (seconds-to-time (string-to-number (match-string 1)))
-                     '(0 0)))
-             ;; ... size
-             (goto-char (point-min))
-             (setq res-size
-                   (if (re-search-forward "standard::size: \\([0-9]+\\)" nil t)
-                       (string-to-number (match-string 1)) 0))
-             ;; ... file mode flags
-             (goto-char (point-min))
-             (setq res-filemodes
-                   (if (re-search-forward "unix::mode: \\([0-9]+\\)" nil t)
-                       (tramp-file-mode-from-int
-                        (string-to-number (match-string 1)))
-                     (if dirp "drwx------" "-rwx------")))
-             ;; ... inode and device
-             (goto-char (point-min))
-             (setq res-inode
-                   (if (re-search-forward "unix::inode: \\([0-9]+\\)" nil t)
-                       (string-to-number (match-string 1))
-                     (tramp-get-inode v)))
-             (goto-char (point-min))
-             (setq res-device
-                   (if (re-search-forward "unix::device: \\([0-9]+\\)" nil t)
-                       (string-to-number (match-string 1))
-                     (tramp-get-device v)))
-
-             ;; Return data gathered.
-             (list
-              ;; 0. t for directory, string (name linked to) for
-              ;; symbolic link, or nil.
-              (or dirp res-symlink-target)
-              ;; 1. Number of links to file.
-              res-numlinks
-              ;; 2. File uid.
-              res-uid
-              ;; 3. File gid.
-              res-gid
-              ;; 4. Last access time, as a list of integers.
-              ;; 5. Last modification time, likewise.
-              ;; 6. Last status change time, likewise.
-              res-access res-mod res-change
-              ;; 7. Size in bytes (-1, if number is out of range).
-              res-size
-              ;; 8. File modes.
-              res-filemodes
-              ;; 9. t if file's gid would change if file were deleted
-              ;; and recreated.
-              nil
-              ;; 10. Inode number.
-              res-inode
-              ;; 11. Device number.
-              res-device
-              ))))))))
+           (while (re-search-forward
+                   tramp-gvfs-file-attributes-with-gvfs-info-regexp nil t)
+             (push (cons (match-string 1) (match-string 2)) result))
+           result))))))
+
+(defun tramp-gvfs-get-file-attributes (filename)
+  "Return GVFS attributes association list of FILENAME."
+  (setq filename (directory-file-name (expand-file-name filename)))
+  (with-parsed-tramp-file-name filename nil
+    (if (or
+        (and (string-match "^\\(afp\\|smb\\)$" method)
+             (string-match "^/?\\([^/]+\\)$" localname))
+        (string-equal localname "/"))
+       (tramp-gvfs-get-root-attributes filename)
+      (assoc
+       (file-name-nondirectory filename)
+       (tramp-gvfs-get-directory-attributes (file-name-directory filename))))))
+
+(defun tramp-gvfs-handle-file-attributes (filename &optional id-format)
+  "Like `file-attributes' for Tramp files."
+  (unless id-format (setq id-format 'integer))
+  (ignore-errors
+    (let ((attributes (tramp-gvfs-get-file-attributes filename))
+         dirp res-symlink-target res-numlinks res-uid res-gid res-access
+         res-mod res-change res-size res-filemodes res-inode res-device)
+      (when attributes
+       ;; ... directory or symlink
+       (setq dirp (if (equal "directory" (cdr (assoc "type" attributes))) t))
+       (setq res-symlink-target
+             (cdr (assoc "standard::symlink-target" attributes)))
+       ;; ... number links
+       (setq res-numlinks
+             (string-to-number
+              (or (cdr (assoc "unix::nlink" attributes)) "0")))
+       ;; ... uid and gid
+       (setq res-uid
+             (if (eq id-format 'integer)
+                 (string-to-number
+                  (or (cdr (assoc "unix::uid" attributes))
+                      (format "%s" tramp-unknown-id-integer)))
+               (or (cdr (assoc "owner::user" attributes))
+                   (cdr (assoc "unix::uid" attributes))
+                   tramp-unknown-id-string)))
+       (setq res-gid
+             (if (eq id-format 'integer)
+                 (string-to-number
+                  (or (cdr (assoc "unix::gid" attributes))
+                      (format "%s" tramp-unknown-id-integer)))
+               (or (cdr (assoc "owner::group" attributes))
+                   (cdr (assoc "unix::gid" attributes))
+                   tramp-unknown-id-string)))
+       ;; ... last access, modification and change time
+       (setq res-access
+             (seconds-to-time
+              (string-to-number
+               (or (cdr (assoc "time::access" attributes)) "0"))))
+       (setq res-mod
+             (seconds-to-time
+              (string-to-number
+               (or (cdr (assoc "time::modified" attributes)) "0"))))
+       (setq res-change
+             (seconds-to-time
+              (string-to-number
+               (or (cdr (assoc "time::changed" attributes)) "0"))))
+       ;; ... size
+       (setq res-size
+             (string-to-number
+              (or (cdr (assoc "standard::size" attributes)) "0")))
+       ;; ... file mode flags
+       (setq res-filemodes
+             (let ((n (cdr (assoc "unix::mode" attributes))))
+               (if n
+                   (tramp-file-mode-from-int (string-to-number n))
+                 (format
+                  "%s%s%s%s------"
+                  (if dirp "d" "-")
+                  (if (equal (cdr (assoc "access::can-read" attributes))
+                             "FALSE")
+                      "-" "r")
+                  (if (equal (cdr (assoc "access::can-write" attributes))
+                             "FALSE")
+                      "-" "w")
+                  (if (equal (cdr (assoc "access::can-execute" attributes))
+                             "FALSE")
+                      "-" "x")))))
+       ;; ... inode and device
+       (setq res-inode
+             (let ((n (cdr (assoc "unix::inode" attributes))))
+               (if n
+                   (string-to-number n)
+                 (tramp-get-inode (tramp-dissect-file-name filename)))))
+       (setq res-device
+             (let ((n (cdr (assoc "unix::device" attributes))))
+               (if n
+                   (string-to-number n)
+                 (tramp-get-device (tramp-dissect-file-name filename)))))
+
+       ;; Return data gathered.
+       (list
+        ;; 0. t for directory, string (name linked to) for
+        ;; symbolic link, or nil.
+        (or dirp res-symlink-target)
+        ;; 1. Number of links to file.
+        res-numlinks
+        ;; 2. File uid.
+        res-uid
+        ;; 3. File gid.
+        res-gid
+        ;; 4. Last access time, as a list of integers.
+        ;; 5. Last modification time, likewise.
+        ;; 6. Last status change time, likewise.
+        res-access res-mod res-change
+        ;; 7. Size in bytes (-1, if number is out of range).
+        res-size
+        ;; 8. File modes.
+        res-filemodes
+        ;; 9. t if file's gid would change if file were deleted
+        ;; and recreated.
+        nil
+        ;; 10. Inode number.
+        res-inode
+        ;; 11. Device number.
+        res-device
+        )))))
 
 (defun tramp-gvfs-handle-file-directory-p (filename)
   "Like `file-directory-p' for Tramp files."
-  (eq t (car (file-attributes filename))))
+  (eq t (car (file-attributes (file-truename filename)))))
 
 (defun tramp-gvfs-handle-file-executable-p (filename)
   "Like `file-executable-p' for Tramp files."
@@ -961,22 +1055,18 @@ file names."
 
          ;; Cache expired or no matching cache entry found so we need
          ;; to perform a remote operation.
-         (let ((result '("." ".."))
+         (let ((result '("./" "../"))
               entry)
            ;; Get a list of directories and files.
-          (tramp-gvfs-send-command
-           v "gvfs-ls" "-h" (tramp-gvfs-url-file-name directory))
-
-          ;; Now grab the output.
-           (with-temp-buffer
-            (insert-buffer-substring (tramp-get-connection-buffer v))
-             (goto-char (point-max))
-             (while (zerop (forward-line -1))
-              (setq entry (buffer-substring (point) (point-at-eol)))
-              (when (string-match filename entry)
-                (if (file-directory-p (expand-file-name entry directory))
-                    (push (concat entry "/") result)
-                  (push entry result)))))
+          (dolist (item (tramp-gvfs-get-directory-attributes directory))
+            (setq entry
+                  (or ;; Use display-name if available (google-drive).
+                   ;(cdr (assoc "standard::display-name" item))
+                   (car item)))
+            (when (string-match filename entry)
+              (if (string-equal (cdr (assoc "type" item)) "directory")
+                  (push (file-name-as-directory entry) result)
+                (push entry result))))
 
            ;; Because the remote op went through OK we know the
            ;; directory we `cd'-ed to exists.
@@ -1528,7 +1618,7 @@ connection if a previous connection has died for some 
reason."
     (let ((p (make-network-process
              :name (tramp-buffer-name vec)
              :buffer (tramp-get-connection-buffer vec)
-             :server t :host 'local :service t)))
+             :server t :host 'local :service t :noquery t)))
       (set-process-query-on-exit-flag p nil)))
 
   (unless (tramp-gvfs-connection-mounted-p vec)
@@ -1635,10 +1725,17 @@ connection if a previous connection has died for some 
reason."
   "Send the COMMAND with its ARGS to connection VEC.
 COMMAND is usually a command from the gvfs-* utilities.
 `call-process' is applied, and it returns t if the return code is zero."
-  (with-current-buffer (tramp-get-connection-buffer vec)
-    (tramp-gvfs-maybe-open-connection vec)
-    (erase-buffer)
-    (zerop (apply 'tramp-call-process vec command nil t nil args))))
+  (let* ((locale (tramp-get-local-locale vec))
+        (process-environment
+         (append
+          `(,(format "LANG=%s" locale)
+            ,(format "LANGUAGE=%s" locale)
+            ,(format "LC_ALL=%s" locale))
+          process-environment)))
+    (with-current-buffer (tramp-get-connection-buffer vec)
+      (tramp-gvfs-maybe-open-connection vec)
+      (erase-buffer)
+      (zerop (apply 'tramp-call-process vec command nil t nil args)))))
 
 
 ;; D-Bus BLUEZ functions.
@@ -1772,35 +1869,37 @@ This uses \"avahi-browse\" in case D-Bus is not enabled 
in Avahi."
 
 ;; Add completion functions for AFP, DAV, DAVS, SFTP and SMB methods.
 (when tramp-gvfs-enabled
-  (zeroconf-init tramp-gvfs-zeroconf-domain)
-  (if (zeroconf-list-service-types)
-      (progn
+  ;; Suppress D-Bus error messages.
+  (let (tramp-gvfs-dbus-event-vector)
+    (zeroconf-init tramp-gvfs-zeroconf-domain)
+    (if (zeroconf-list-service-types)
+       (progn
+         (tramp-set-completion-function
+          "afp" '((tramp-zeroconf-parse-device-names "_afpovertcp._tcp")))
+         (tramp-set-completion-function
+          "dav" '((tramp-zeroconf-parse-device-names "_webdav._tcp")))
+         (tramp-set-completion-function
+          "davs" '((tramp-zeroconf-parse-device-names "_webdav._tcp")))
+         (tramp-set-completion-function
+          "sftp" '((tramp-zeroconf-parse-device-names "_ssh._tcp")
+                   (tramp-zeroconf-parse-device-names "_workstation._tcp")))
+         (when (member "smb" tramp-gvfs-methods)
+           (tramp-set-completion-function
+            "smb" '((tramp-zeroconf-parse-device-names "_smb._tcp")))))
+
+      (when (executable-find "avahi-browse")
        (tramp-set-completion-function
-        "afp" '((tramp-zeroconf-parse-device-names "_afpovertcp._tcp")))
+        "afp" '((tramp-gvfs-parse-device-names "_afpovertcp._tcp")))
        (tramp-set-completion-function
-        "dav" '((tramp-zeroconf-parse-device-names "_webdav._tcp")))
+        "dav" '((tramp-gvfs-parse-device-names "_webdav._tcp")))
        (tramp-set-completion-function
-        "davs" '((tramp-zeroconf-parse-device-names "_webdav._tcp")))
+        "davs" '((tramp-gvfs-parse-device-names "_webdav._tcp")))
        (tramp-set-completion-function
-        "sftp" '((tramp-zeroconf-parse-device-names "_ssh._tcp")
-                 (tramp-zeroconf-parse-device-names "_workstation._tcp")))
+        "sftp" '((tramp-gvfs-parse-device-names "_ssh._tcp")
+                 (tramp-gvfs-parse-device-names "_workstation._tcp")))
        (when (member "smb" tramp-gvfs-methods)
          (tramp-set-completion-function
-          "smb" '((tramp-zeroconf-parse-device-names "_smb._tcp")))))
-
-    (when (executable-find "avahi-browse")
-      (tramp-set-completion-function
-       "afp" '((tramp-gvfs-parse-device-names "_afpovertcp._tcp")))
-      (tramp-set-completion-function
-       "dav" '((tramp-gvfs-parse-device-names "_webdav._tcp")))
-      (tramp-set-completion-function
-       "davs" '((tramp-gvfs-parse-device-names "_webdav._tcp")))
-      (tramp-set-completion-function
-       "sftp" '((tramp-gvfs-parse-device-names "_ssh._tcp")
-               (tramp-gvfs-parse-device-names "_workstation._tcp")))
-      (when (member "smb" tramp-gvfs-methods)
-       (tramp-set-completion-function
-        "smb" '((tramp-gvfs-parse-device-names "_smb._tcp")))))))
+          "smb" '((tramp-gvfs-parse-device-names "_smb._tcp"))))))))
 
 
 ;; D-Bus SYNCE functions.
diff --git a/lisp/net/tramp-sh.el b/lisp/net/tramp-sh.el
index 14c6f94..a5d09af 100644
--- a/lisp/net/tramp-sh.el
+++ b/lisp/net/tramp-sh.el
@@ -84,8 +84,12 @@ e.g. \"$HOME/.sh_history\"."
                  (string :tag "Redirect to a file")))
 
 ;;;###tramp-autoload
-(defconst tramp-color-escape-sequence-regexp "\e[[;0-9]+m"
-  "Escape sequences produced by the \"ls\" command.")
+(defconst tramp-display-escape-sequence-regexp "\e[[;0-9]+m"
+  "Terminal control escape sequences for display attributes.")
+
+;;;###tramp-autoload
+(defconst tramp-device-escape-sequence-regexp "\e[[0-9]+n"
+  "Terminal control escape sequences for device status.")
 
 ;; ksh on OpenBSD 4.5 requires that $PS1 contains a `#' character for
 ;; root users.  It uses the `$' character for other users.  In order
@@ -1339,8 +1343,10 @@ target of the symlink differ."
           (setq res-gid (read (current-buffer)))
           (if (eq id-format 'integer)
               (progn
-                (unless (numberp res-uid) (setq res-uid -1))
-                (unless (numberp res-gid) (setq res-gid -1)))
+                (unless (numberp res-uid)
+                 (setq res-uid tramp-unknown-id-integer))
+                (unless (numberp res-gid)
+                 (setq res-gid tramp-unknown-id-integer)))
             (progn
               (unless (stringp res-uid) (setq res-uid (symbol-name res-uid)))
               (unless (stringp res-gid) (setq res-gid (symbol-name res-gid)))))
@@ -2836,7 +2842,8 @@ The method used must be an out-of-band method."
          (unless
              (string-match "color" (tramp-get-connection-property v "ls" ""))
            (goto-char beg)
-           (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+           (while
+               (re-search-forward tramp-display-escape-sequence-regexp nil t)
              (replace-match "")))
 
          ;; Decode the output, it could be multibyte.
@@ -2934,7 +2941,12 @@ the result will be a local, non-Tramp, file name."
 (defun tramp-sh-handle-start-file-process (name buffer program &rest args)
   "Like `start-file-process' for Tramp files."
   (with-parsed-tramp-file-name (expand-file-name default-directory) nil
-    (let* (;; When PROGRAM matches "*sh", and the first arg is "-c",
+    (let* ((buffer
+           (if buffer
+               (get-buffer-create buffer)
+             ;; BUFFER can be nil.  We use a temporary buffer.
+             (generate-new-buffer tramp-temp-buffer-name)))
+          ;; When PROGRAM matches "*sh", and the first arg is "-c",
           ;; it might be that the arguments exceed the command line
           ;; length.  Therefore, we modify the command.
           (heredoc (and (stringp program)
@@ -2992,9 +3004,6 @@ the result will be a local, non-Tramp, file name."
           ;; `eshell' and friends.
           (tramp-current-connection nil))
 
-      (unless buffer
-       ;; BUFFER can be nil.  We use a temporary buffer.
-       (setq buffer (generate-new-buffer tramp-temp-buffer-name)))
       (while (get-process name1)
        ;; NAME must be unique as process name.
        (setq i (1+ i)
@@ -4030,7 +4039,7 @@ file exists and nonzero exit status otherwise."
          shell)
       (setq shell
            (with-tramp-connection-property vec "remote-shell"
-             ;; CCC: "root" does not exist always, see QNAP 459.
+             ;; CCC: "root" does not exist always, see my QNAP TS-459.
              ;; Which check could we apply instead?
              (tramp-send-command vec "echo ~root" t)
              (if (or (string-match "^~root$" (buffer-string))
@@ -5000,7 +5009,12 @@ function waits for output unless NOOUTPUT is set."
   (with-current-buffer (process-buffer proc)
     (let* (;; Initially, `tramp-end-of-output' is "#$ ".  There might
           ;; be leading escape sequences, which must be ignored.
-          (regexp (format "[^#$\n]*%s\r?$" (regexp-quote tramp-end-of-output)))
+          ;; Busyboxes built with the EDITING_ASK_TERMINAL config
+          ;; option send also escape sequences, which must be
+          ;; ignored.
+          (regexp (format "[^#$\n]*%s\\(%s\\)?\r?$"
+                          (regexp-quote tramp-end-of-output)
+                          tramp-device-escape-sequence-regexp))
           ;; Sometimes, the commands do not return a newline but a
           ;; null byte before the shell prompt, for example "git
           ;; ls-files -c -z ...".
@@ -5103,16 +5117,17 @@ Return ATTR."
   (when attr
     ;; Remove color escape sequences from symlink.
     (when (stringp (car attr))
-      (while (string-match tramp-color-escape-sequence-regexp (car attr))
+      (while (string-match tramp-display-escape-sequence-regexp (car attr))
        (setcar attr (replace-match "" nil nil (car attr)))))
-    ;; Convert uid and gid.  Use -1 as indication of unusable value.
+    ;; Convert uid and gid.  Use `tramp-unknown-id-integer' as
+    ;; indication of unusable value.
     (when (and (numberp (nth 2 attr)) (< (nth 2 attr) 0))
-      (setcar (nthcdr 2 attr) -1))
+      (setcar (nthcdr 2 attr) tramp-unknown-id-integer))
     (when (and (floatp (nth 2 attr))
                (<= (nth 2 attr) most-positive-fixnum))
       (setcar (nthcdr 2 attr) (round (nth 2 attr))))
     (when (and (numberp (nth 3 attr)) (< (nth 3 attr) 0))
-      (setcar (nthcdr 3 attr) -1))
+      (setcar (nthcdr 3 attr) tramp-unknown-id-integer))
     (when (and (floatp (nth 3 attr))
                (<= (nth 3 attr) most-positive-fixnum))
       (setcar (nthcdr 3 attr) (round (nth 3 attr))))
@@ -5556,8 +5571,10 @@ Return ATTR."
               (tramp-get-remote-uid-with-python vec id-format))))))
       ;; Ensure there is a valid result.
       (cond
-       ((and (equal id-format 'integer) (not (integerp res))) -1)
-       ((and (equal id-format 'string) (not (stringp res))) "UNKNOWN")
+       ((and (equal id-format 'integer) (not (integerp res)))
+       tramp-unknown-id-integer)
+       ((and (equal id-format 'string) (not (stringp res)))
+       tramp-unknown-id-string)
        (t res)))))
 
 (defun tramp-get-remote-gid-with-id (vec id-format)
@@ -5600,8 +5617,10 @@ Return ATTR."
               (tramp-get-remote-gid-with-python vec id-format))))))
       ;; Ensure there is a valid result.
       (cond
-       ((and (equal id-format 'integer) (not (integerp res))) -1)
-       ((and (equal id-format 'string) (not (stringp res))) "UNKNOWN")
+       ((and (equal id-format 'integer) (not (integerp res)))
+       tramp-unknown-id-integer)
+       ((and (equal id-format 'string) (not (stringp res)))
+       tramp-unknown-id-string)
        (t res)))))
 
 ;; Some predefined connection properties.
diff --git a/lisp/net/tramp-smb.el b/lisp/net/tramp-smb.el
index c4dde05..b75eee9 100644
--- a/lisp/net/tramp-smb.el
+++ b/lisp/net/tramp-smb.el
@@ -910,14 +910,13 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are 
completely ignored."
    (with-parsed-tramp-file-name directory nil
      (with-tramp-file-property v localname "file-name-all-completions"
        (save-match-data
-        (let ((entries (tramp-smb-get-file-entries directory)))
-          (mapcar
-           (lambda (x)
-             (list
-              (if (string-match "d" (nth 1 x))
-                  (file-name-as-directory (nth 0 x))
-                (nth 0 x))))
-           entries)))))))
+        (mapcar
+         (lambda (x)
+           (list
+            (if (string-match "d" (nth 1 x))
+                (file-name-as-directory (nth 0 x))
+              (nth 0 x))))
+         (tramp-smb-get-file-entries directory)))))))
 
 (defun tramp-smb-handle-file-writable-p (filename)
   "Like `file-writable-p' for Tramp files."
@@ -1389,16 +1388,18 @@ target of the symlink differ."
 (defun tramp-smb-handle-start-file-process (name buffer program &rest args)
   "Like `start-file-process' for Tramp files."
   (with-parsed-tramp-file-name default-directory nil
-    (let ((command (mapconcat 'identity (cons program args) " "))
-         (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
-         (name1 name)
-         (i 0))
+    (let* ((buffer
+           (if buffer
+               (get-buffer-create buffer)
+             ;; BUFFER can be nil.  We use a temporary buffer.
+             (generate-new-buffer tramp-temp-buffer-name)))
+          (command (mapconcat 'identity (cons program args) " "))
+          (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
+          (name1 name)
+          (i 0))
       (unwind-protect
          (save-excursion
            (save-restriction
-             (unless buffer
-               ;; BUFFER can be nil.  We use a temporary buffer.
-               (setq buffer (generate-new-buffer tramp-temp-buffer-name)))
              (while (get-process name1)
                ;; NAME must be unique as process name.
                (setq i (1+ i)
diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index 28fc9c7..7a57cbc 100644
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -774,6 +774,12 @@ Derived from `tramp-postfix-host-format'.")
 (defconst tramp-localname-regexp ".*$"
   "Regexp matching localnames.")
 
+(defconst tramp-unknown-id-string "UNKNOWN"
+  "String used to denote an unknown user or group")
+
+(defconst tramp-unknown-id-integer -1
+  "Integer used to denote an unknown user or group")
+
 ;;; File name format:
 
 (defconst tramp-remote-file-name-spec-regexp
@@ -3834,7 +3840,10 @@ be granted."
                 vec (concat "uid-" suffix) nil))
               (remote-gid
                (tramp-get-connection-property
-                vec (concat "gid-" suffix) nil)))
+                vec (concat "gid-" suffix) nil))
+             (unknown-id
+              (if (string-equal suffix "string")
+                  tramp-unknown-id-string tramp-unknown-id-integer)))
           (and
            file-attr
            (or
@@ -3847,12 +3856,14 @@ be granted."
             ;; User accessible and owned by user.
             (and
              (eq access (aref (nth 8 file-attr) offset))
-             (equal remote-uid (nth 2 file-attr)))
+            (or (equal remote-uid (nth 2 file-attr))
+                (equal unknown-id (nth 2 file-attr))))
             ;; Group accessible and owned by user's
             ;; principal group.
             (and
              (eq access (aref (nth 8 file-attr) (+ offset 3)))
-             (equal remote-gid (nth 3 file-attr)))))))))))
+             (or (equal remote-gid (nth 3 file-attr))
+                (equal unknown-id (nth 3 file-attr))))))))))))
 
 ;;;###tramp-autoload
 (defun tramp-local-host-p (vec)
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index 468ed4a..49e73a1 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -1468,7 +1468,8 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
            (should (zerop (process-file "ls" nil t nil fnnd)))
            ;; `ls' could produce colorized output.
            (goto-char (point-min))
-           (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+           (while
+               (re-search-forward tramp-display-escape-sequence-regexp nil t)
              (replace-match "" nil nil))
            (should (string-equal (format "%s\n" fnnd) (buffer-string)))
            (should-not (get-buffer-window (current-buffer) t))
@@ -1478,7 +1479,8 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
            (should (zerop (process-file "ls" nil t t fnnd)))
            ;; `ls' could produce colorized output.
            (goto-char (point-min))
-           (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+           (while
+               (re-search-forward tramp-display-escape-sequence-regexp nil t)
              (replace-match "" nil nil))
            (should
             (string-equal (format "%s\n%s\n" fnnd fnnd) (buffer-string)))
@@ -1581,7 +1583,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
           (format "ls %s" (file-name-nondirectory tmp-name)) (current-buffer))
          ;; `ls' could produce colorized output.
          (goto-char (point-min))
-         (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+         (while (re-search-forward tramp-display-escape-sequence-regexp nil t)
            (replace-match "" nil nil))
          (should
           (string-equal
@@ -1604,7 +1606,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
              (accept-process-output (get-buffer-process (current-buffer)) 1)))
          ;; `ls' could produce colorized output.
          (goto-char (point-min))
-         (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+         (while (re-search-forward tramp-display-escape-sequence-regexp nil t)
            (replace-match "" nil nil))
          ;; There might be a nasty "Process *Async Shell* finished" message.
          (goto-char (point-min))
@@ -1633,7 +1635,7 @@ This tests also `make-symbolic-link', `file-truename' and 
`add-name-to-file'."
              (accept-process-output (get-buffer-process (current-buffer)) 1)))
          ;; `ls' could produce colorized output.
          (goto-char (point-min))
-         (while (re-search-forward tramp-color-escape-sequence-regexp nil t)
+         (while (re-search-forward tramp-display-escape-sequence-regexp nil t)
            (replace-match "" nil nil))
          ;; There might be a nasty "Process *Async Shell* finished" message.
          (goto-char (point-min))



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