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master dd19cc3: Improve Tramp error handling
From: |
Michael Albinus |
Subject: |
master dd19cc3: Improve Tramp error handling |
Date: |
Mon, 4 Nov 2019 11:34:41 -0500 (EST) |
branch: master
commit dd19cc3aa16ccc441a8a2bfcdeb3005a6eef2543
Author: Michael Albinus <address@hidden>
Commit: Michael Albinus <address@hidden>
Improve Tramp error handling
* lisp/net/tramp.el (tramp-set-syntax): Add missing argument.
(tramp-signal-hook-function): Make it more robust.
(tramp-handle-directory-files):
* lisp/net/tramp-adb.el
(tramp-adb-handle-directory-files-and-attributes)
(tramp-adb-handle-copy-file, tramp-adb-handle-rename-file):
* lisp/net/tramp-gvfs.el (tramp-gvfs-do-copy-or-rename-file):
* lisp/net/tramp-rclone.el (tramp-rclone-do-copy-or-rename-file)
(tramp-rclone-handle-directory-files):
* lisp/net/tramp-sh.el (tramp-sh-handle-directory-files-and-attributes)
(tramp-sh-handle-copy-directory, tramp-do-copy-or-rename-file):
* lisp/net/tramp-smb.el (tramp-smb-handle-copy-directory)
(tramp-smb-handle-copy-file, tramp-smb-handle-directory-files)
(tramp-smb-handle-rename-file):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-do-copy-or-rename-file):
Improve error handling.
* test/lisp/net/tramp-tests.el (tramp-test11-copy-file)
(tramp-test12-rename-file, tramp-test14-delete-directory)
(tramp-test15-copy-directory, tramp-test16-directory-files)
(tramp-test19-directory-files-and-attributes): Extend tests.
---
lisp/net/tramp-adb.el | 12 ++++++++++++
lisp/net/tramp-gvfs.el | 4 ++++
lisp/net/tramp-rclone.el | 8 ++++++++
lisp/net/tramp-sh.el | 11 +++++++++++
lisp/net/tramp-smb.el | 19 +++++++++++++++++++
lisp/net/tramp-sudoedit.el | 4 ++++
lisp/net/tramp.el | 15 ++++++++++++---
test/lisp/net/tramp-tests.el | 44 ++++++++++++++++++++++++++++++++------------
8 files changed, 102 insertions(+), 15 deletions(-)
diff --git a/lisp/net/tramp-adb.el b/lisp/net/tramp-adb.el
index e1706be..e309819 100644
--- a/lisp/net/tramp-adb.el
+++ b/lisp/net/tramp-adb.el
@@ -383,6 +383,10 @@ ARGUMENTS to pass to the OPERATION."
(defun tramp-adb-handle-directory-files-and-attributes
(directory &optional full match nosort id-format)
"Like `directory-files-and-attributes' for Tramp files."
+ (unless (file-exists-p directory)
+ (tramp-error
+ (tramp-dissect-file-name directory) tramp-file-missing
+ "No such file or directory" directory))
(when (file-directory-p directory)
(with-parsed-tramp-file-name (expand-file-name directory) nil
(copy-tree
@@ -706,6 +710,10 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are
completely ignored."
(let ((t1 (tramp-tramp-file-p filename))
(t2 (tramp-tramp-file-p newname)))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "Copying file" "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
@@ -784,6 +792,10 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are
completely ignored."
(let ((t1 (tramp-tramp-file-p filename))
(t2 (tramp-tramp-file-p newname)))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "Renaming file" "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
diff --git a/lisp/net/tramp-gvfs.el b/lisp/net/tramp-gvfs.el
index c08c719..6f5cade 100644
--- a/lisp/net/tramp-gvfs.el
+++ b/lisp/net/tramp-gvfs.el
@@ -765,6 +765,10 @@ file names."
(msg-operation (if (eq op 'copy) "Copying" "Renaming")))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "%s file" msg-operation "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
diff --git a/lisp/net/tramp-rclone.el b/lisp/net/tramp-rclone.el
index 1f0c7ea..2b3799e 100644
--- a/lisp/net/tramp-rclone.el
+++ b/lisp/net/tramp-rclone.el
@@ -213,6 +213,10 @@ file names."
(msg-operation (if (eq op 'copy) "Copying" "Renaming")))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "%s file" msg-operation "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
@@ -298,6 +302,10 @@ file names."
(defun tramp-rclone-handle-directory-files
(directory &optional full match nosort)
"Like `directory-files' for Tramp files."
+ (unless (file-exists-p directory)
+ (tramp-error
+ (tramp-dissect-file-name directory) tramp-file-missing
+ "No such file or directory" directory))
(when (file-directory-p directory)
(setq directory (file-name-as-directory (expand-file-name directory)))
(with-parsed-tramp-file-name directory nil
diff --git a/lisp/net/tramp-sh.el b/lisp/net/tramp-sh.el
index 3c80c58..be531ed 100644
--- a/lisp/net/tramp-sh.el
+++ b/lisp/net/tramp-sh.el
@@ -1713,6 +1713,10 @@ of."
(directory &optional full match nosort id-format)
"Like `directory-files-and-attributes' for Tramp files."
(unless id-format (setq id-format 'integer))
+ (unless (file-exists-p directory)
+ (tramp-error
+ (tramp-dissect-file-name directory) tramp-file-missing
+ "No such file or directory" directory))
(when (file-directory-p directory)
(setq directory (expand-file-name directory))
(let* ((temp
@@ -1923,6 +1927,10 @@ tramp-sh-handle-file-name-all-completions: internal
error accessing `%s': `%s'"
(let ((t1 (tramp-tramp-file-p dirname))
(t2 (tramp-tramp-file-p newname)))
(with-parsed-tramp-file-name (if t1 dirname newname) nil
+ (unless (file-exists-p dirname)
+ (tramp-error
+ v tramp-file-missing
+ "Copying directory" "No such file or directory" dirname))
(if (and (not copy-contents)
(tramp-get-method-parameter v 'tramp-copy-recursive)
;; When DIRNAME and NEWNAME are remote, they must have
@@ -2011,6 +2019,9 @@ file names."
(apply #'file-extended-attributes (list filename)))))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
diff --git a/lisp/net/tramp-smb.el b/lisp/net/tramp-smb.el
index 5e52b26..f87d4be 100644
--- a/lisp/net/tramp-smb.el
+++ b/lisp/net/tramp-smb.el
@@ -415,6 +415,10 @@ pass to the OPERATION."
(with-parsed-tramp-file-name (if t1 dirname newname) nil
(with-tramp-progress-reporter
v 0 (format "Copying %s to %s" dirname newname)
+ (unless (file-exists-p dirname)
+ (tramp-error
+ v tramp-file-missing
+ "Copying directory" "No such file or directory" dirname))
(when (and (file-directory-p newname)
(not (tramp-compat-directory-name-p newname)))
(tramp-error v 'file-already-exists newname))
@@ -570,6 +574,13 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are
completely ignored."
(if (file-directory-p filename)
(copy-directory filename newname keep-date 'parents 'copy-contents)
+ (unless (file-exists-p filename)
+ (tramp-error
+ (tramp-dissect-file-name
+ (if (tramp-tramp-file-p filename) filename newname))
+ tramp-file-missing
+ "Copying file" "No such file or directory" filename))
+
(let ((tmpfile (file-local-copy filename)))
(if tmpfile
;; Remote filename.
@@ -669,6 +680,10 @@ PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are
completely ignored."
(defun tramp-smb-handle-directory-files
(directory &optional full match nosort)
"Like `directory-files' for Tramp files."
+ (unless (file-exists-p directory)
+ (tramp-error
+ (tramp-dissect-file-name directory) tramp-file-missing
+ "No such file or directory" directory))
(let ((result (mapcar #'directory-file-name
(file-name-all-completions "" directory))))
;; Discriminate with regexp.
@@ -1333,6 +1348,10 @@ component is used as the target of the symlink."
(with-parsed-tramp-file-name
(if (tramp-tramp-file-p filename) filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "Renaming file" "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
diff --git a/lisp/net/tramp-sudoedit.el b/lisp/net/tramp-sudoedit.el
index bfc9b3b..2d9d7ff 100644
--- a/lisp/net/tramp-sudoedit.el
+++ b/lisp/net/tramp-sudoedit.el
@@ -241,6 +241,10 @@ absolute file names."
(msg-operation (if (eq op 'copy) "Copying" "Renaming")))
(with-parsed-tramp-file-name (if t1 filename newname) nil
+ (unless (file-exists-p filename)
+ (tramp-error
+ v tramp-file-missing
+ "%s file" msg-operation "No such file or directory" filename))
(when (and (not ok-if-already-exists) (file-exists-p newname))
(tramp-error v 'file-already-exists newname))
(when (and (file-directory-p newname)
diff --git a/lisp/net/tramp.el b/lisp/net/tramp.el
index 21b6f00..88ff36d 100644
--- a/lisp/net/tramp.el
+++ b/lisp/net/tramp.el
@@ -719,7 +719,7 @@ Used in user option `tramp-syntax'. There are further
variables
to be set, depending on VALUE."
;; Check allowed values.
(unless (memq value (tramp-syntax-values))
- (tramp-user-error "Wrong `tramp-syntax' %s" value))
+ (tramp-user-error nil "Wrong `tramp-syntax' %s" value))
;; Cleanup existing buffers.
(unless (eq (symbol-value symbol) value)
(tramp-cleanup-all-buffers))
@@ -1889,8 +1889,13 @@ the resulting error message."
;; This function provides traces in case of errors not triggered by
;; Tramp functions.
(defun tramp-signal-hook-function (error-symbol data)
- "Funtion to be called via `signal-hook-function'."
- (tramp-error (car tramp-current-connection) error-symbol "%s" data))
+ "Function to be called via `signal-hook-function'."
+ ;; `custom-initialize-*' functions provoke `void-variable' errors.
+ ;; We don't want to see them in the backtrace.
+ (unless (eq error-symbol 'void-variable)
+ (tramp-error
+ (car tramp-current-connection) error-symbol
+ "%s" (mapconcat (lambda (x) (format "%s" x)) data " "))))
(defmacro with-parsed-tramp-file-name (filename var &rest body)
"Parse a Tramp filename and make components available in the body.
@@ -3025,6 +3030,10 @@ User is always nil."
(defun tramp-handle-directory-files (directory &optional full match nosort)
"Like `directory-files' for Tramp files."
+ (unless (file-exists-p directory)
+ (tramp-error
+ (tramp-dissect-file-name directory) tramp-file-missing
+ "No such file or directory" directory))
(when (file-directory-p directory)
(setq directory (file-name-as-directory (expand-file-name directory)))
(let ((temp (nreverse (file-name-all-completions "" directory)))
diff --git a/test/lisp/net/tramp-tests.el b/test/lisp/net/tramp-tests.el
index baebae1..ec9cda0 100644
--- a/test/lisp/net/tramp-tests.el
+++ b/test/lisp/net/tramp-tests.el
@@ -2370,6 +2370,9 @@ This checks also `file-name-as-directory',
`file-name-directory',
;; Copy simple file.
(unwind-protect
(progn
+ (should-error
+ (copy-file source target)
+ :type tramp-file-missing)
(write-region "foo" nil source)
(should (file-exists-p source))
(copy-file source target)
@@ -2482,6 +2485,9 @@ This checks also `file-name-as-directory',
`file-name-directory',
;; Rename simple file.
(unwind-protect
(progn
+ (should-error
+ (rename-file source target)
+ :type tramp-file-missing)
(write-region "foo" nil source)
(should (file-exists-p source))
(rename-file source target)
@@ -2605,20 +2611,25 @@ This tests also `file-directory-p' and
`file-accessible-directory-p'."
(skip-unless (tramp--test-enabled))
(dolist (quoted (if (tramp--test-expensive-test) '(nil t) '(nil)))
- (let ((tmp-name (tramp--test-make-temp-name nil quoted)))
+ (let* ((tmp-name1 (tramp--test-make-temp-name nil quoted))
+ (tmp-name2 (expand-file-name "foo" tmp-name1)))
;; Delete empty directory.
- (make-directory tmp-name)
- (should (file-directory-p tmp-name))
- (delete-directory tmp-name)
- (should-not (file-directory-p tmp-name))
+ (make-directory tmp-name1)
+ (should (file-directory-p tmp-name1))
+ (delete-directory tmp-name1)
+ (should-not (file-directory-p tmp-name1))
;; Delete non-empty directory.
- (make-directory tmp-name)
- (should (file-directory-p tmp-name))
- (write-region "foo" nil (expand-file-name "bla" tmp-name))
- (should (file-exists-p (expand-file-name "bla" tmp-name)))
- (should-error (delete-directory tmp-name) :type 'file-error)
- (delete-directory tmp-name 'recursive)
- (should-not (file-directory-p tmp-name)))))
+ (make-directory tmp-name1)
+ (should (file-directory-p tmp-name1))
+ (write-region "foo" nil (expand-file-name "bla" tmp-name1))
+ (should (file-exists-p (expand-file-name "bla" tmp-name1)))
+ (make-directory tmp-name2)
+ (should (file-directory-p tmp-name2))
+ (write-region "foo" nil (expand-file-name "bla" tmp-name2))
+ (should (file-exists-p (expand-file-name "bla" tmp-name2)))
+ (should-error (delete-directory tmp-name1) :type 'file-error)
+ (delete-directory tmp-name1 'recursive)
+ (should-not (file-directory-p tmp-name1)))))
(ert-deftest tramp-test15-copy-directory ()
"Check `copy-directory'."
@@ -2636,6 +2647,9 @@ This tests also `file-directory-p' and
`file-accessible-directory-p'."
;; Copy complete directory.
(unwind-protect
(progn
+ (should-error
+ (copy-directory tmp-name1 tmp-name2)
+ :type tramp-file-missing)
;; Copy empty directory.
(make-directory tmp-name1)
(write-region "foo" nil tmp-name4)
@@ -2696,6 +2710,9 @@ This tests also `file-directory-p' and
`file-accessible-directory-p'."
(tmp-name3 (expand-file-name "foo" tmp-name1)))
(unwind-protect
(progn
+ (should-error
+ (directory-files tmp-name1)
+ :type tramp-file-missing)
(make-directory tmp-name1)
(write-region "foo" nil tmp-name2)
(write-region "bla" nil tmp-name3)
@@ -3174,6 +3191,9 @@ They might differ only in time attributes or directory
size."
attr)
(unwind-protect
(progn
+ (should-error
+ (directory-files-and-attributes tmp-name1)
+ :type tramp-file-missing)
(make-directory tmp-name1)
(should (file-directory-p tmp-name1))
(setq tramp--test-start-time
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