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-rw-r--r--lisp/net/tramp-sh.el44
1 files changed, 25 insertions, 19 deletions
diff --git a/lisp/net/tramp-sh.el b/lisp/net/tramp-sh.el
index 1c6f0844be..5c49774894 100644
--- a/lisp/net/tramp-sh.el
+++ b/lisp/net/tramp-sh.el
@@ -3457,8 +3457,10 @@ Fall back to normal file name handler if no Tramp handler exists."
(defun tramp-maybe-send-script (vec script name)
"Define in remote shell function NAME implemented as SCRIPT.
Only send the definition if it has not already been done."
- (let* ((p (tramp-get-connection-process vec))
- (scripts (tramp-get-connection-property p "scripts" nil)))
+ ;; We cannot let-bind (tramp-get-connection-process vec) because it
+ ;; might be nil.
+ (let ((scripts (tramp-get-connection-property
+ (tramp-get-connection-process vec) "scripts" nil)))
(unless (member name scripts)
(tramp-with-progress-reporter vec 5 (format "Sending script `%s'" name)
;; The script could contain a call of Perl. This is masked with `%s'.
@@ -3467,7 +3469,8 @@ Only send the definition if it has not already been done."
(format "%s () {\n%s\n}" name
(format script (tramp-get-remote-perl vec)))
"Script %s sending failed" name)
- (tramp-set-connection-property p "scripts" (cons name scripts))))))
+ (tramp-set-connection-property
+ (tramp-get-connection-process vec) "scripts" (cons name scripts))))))
(defun tramp-set-auto-save ()
(when (and ;; ange-ftp has its own auto-save mechanism
@@ -4505,27 +4508,30 @@ DONT-SUPPRESS-ERR is non-nil, stderr won't be sent to /dev/null."
"Run COMMAND, check exit status, throw error if exit status not okay.
Similar to `tramp-send-command-and-check' but accepts two more arguments
FMT and ARGS which are passed to `error'."
- (unless (tramp-send-command-and-check vec command)
- (apply 'tramp-error vec 'file-error fmt args)))
+ (or (tramp-send-command-and-check vec command)
+ (apply 'tramp-error vec 'file-error fmt args)))
(defun tramp-send-command-and-read (vec command &optional noerror)
"Run COMMAND and return the output, which must be a Lisp expression.
In case there is no valid Lisp expression and NOERROR is nil, it
raises an error."
- (tramp-barf-unless-okay vec command "`%s' returns with error" command)
- (with-current-buffer (tramp-get-connection-buffer vec)
- ;; Read the expression.
- (goto-char (point-min))
- (condition-case nil
- (prog1 (read (current-buffer))
- ;; Error handling.
- (when (re-search-forward "\\S-" (point-at-eol) t)
- (error nil)))
- (error (unless noerror
- (tramp-error
- vec 'file-error
- "`%s' does not return a valid Lisp expression: `%s'"
- command (buffer-string)))))))
+ (when (if noerror
+ (tramp-send-command-and-check vec command)
+ (tramp-barf-unless-okay
+ vec command "`%s' returns with error" command))
+ (with-current-buffer (tramp-get-connection-buffer vec)
+ ;; Read the expression.
+ (goto-char (point-min))
+ (condition-case nil
+ (prog1 (read (current-buffer))
+ ;; Error handling.
+ (when (re-search-forward "\\S-" (point-at-eol) t)
+ (error nil)))
+ (error (unless noerror
+ (tramp-error
+ vec 'file-error
+ "`%s' does not return a valid Lisp expression: `%s'"
+ command (buffer-string))))))))
(defun tramp-convert-file-attributes (vec attr)
"Convert file-attributes ATTR generated by perl script, stat or ls.