changeset: 5534:68db75473fc6
tag: tip
parent: 5532:69a08906ad27
parent: 5533:11da5b828d10
user: Mats Lidell <mats.lidell(a)cag.se>
date: Sun Aug 07 23:22:59 2011 +0200
files: lisp/ChangeLog tests/ChangeLog
description:
Merge.
diff -r 69a08906ad27 -r 68db75473fc6 lisp/ChangeLog
--- a/lisp/ChangeLog Wed Jul 20 00:42:16 2011 +0200
+++ b/lisp/ChangeLog Sun Aug 07 23:22:59 2011 +0200
@@ -1,5 +1,9 @@
+2011-07-29 Mats Lidell <matsl(a)xemacs.org>
+ * process.el (shell-command):
+ * process.el (shell-command-on-region): API compatible/synced with
+ FSF 23.3.1.
+
2011-07-22 Mats Lidell <matsl(a)xemacs.or>
-
* syntax-ppss.el: Synced up with Emacs 23.3 (syntax.el)
2011-07-03 Aidan Kehoe <kehoea(a)parhasard.net>
diff -r 69a08906ad27 -r 68db75473fc6 lisp/process.el
--- a/lisp/process.el Wed Jul 20 00:42:16 2011 +0200
+++ b/lisp/process.el Sun Aug 07 23:22:59 2011 +0200
@@ -1,6 +1,6 @@
;;; process.el --- commands for subprocesses; split out of simple.el
-;; Copyright (C) 1985-7, 1993,4, 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1985-7, 1993,4, 1997, 2011 Free Software Foundation, Inc.
;; Copyright (C) 1995, 2000, 2001, 2002 Ben Wing.
;; Author: Ben Wing
@@ -24,6 +24,7 @@
;;; Synched up with: FSF 19.30, except for setenv/getenv (synched with FSF
;;; 21.2.1).
+;;; shell-command and shell-command-on-region synced with FSF 23.3.1.
;;; Authorship:
@@ -57,6 +58,12 @@
(defvar shell-command-switch "-c"
"Switch used to have the shell execute its command line argument.")
+(defvar shell-command-default-error-buffer nil
+ "*Buffer name for `shell-command' and `shell-command-on-region' error
output.
+This buffer is used when `shell-command' or `shell-command-on-region'
+is run interactively. A value of nil means that output to stderr and
+stdout will be intermixed in the output stream.")
+
(defun start-process-shell-command (name buffer &rest args)
"Start a program in a subprocess. Return the process object for it.
NAME is name for process. It is modified if necessary to make it unique.
@@ -316,12 +323,12 @@
(error nil)))))
-(defun shell-command (command &optional output-buffer)
+(defun shell-command (command &optional output-buffer error-buffer)
"Execute string COMMAND in inferior shell; display output, if any.
-If COMMAND ends in ampersand, execute it asynchronously.
-The output appears in the buffer `*Async Shell Command*'.
-That buffer is in shell mode.
+If COMMAND ends in ampersand, execute it asynchronously. The command
+is executed using the background package. See `background' for
+details.
Otherwise, COMMAND is executed synchronously. The output appears in the
buffer `*Shell Command Output*'.
@@ -336,9 +343,16 @@
If OUTPUT-BUFFER is a buffer or buffer name, put the output there.
If OUTPUT-BUFFER is not a buffer and not nil,
insert output in current buffer. (This cannot be done asynchronously.)
-In either case, the output is inserted after point (leaving mark after it)."
+In either case, the output is inserted after point (leaving mark after it).
+
+If the optional third argument ERROR-BUFFER is non-nil, it is a buffer
+or buffer name to which to direct the command's standard error output.
+If it is nil, error output is mingled with regular output. In an
+interactive call, the variable `shell-command-default-error-buffer'
+specifies the value of ERROR-BUFFER."
(interactive (list (read-shell-command "Shell command: ")
- current-prefix-arg))
+ current-prefix-arg
+ shell-command-default-error-buffer))
(if (and output-buffer
(not (or (bufferp output-buffer) (stringp output-buffer))))
(progn (barf-if-buffer-read-only)
@@ -363,7 +377,7 @@
'unimplemented
"backgrounding a shell command requires package `background'")))
- (shell-command-on-region (point) (point) command output-buffer)))))
+ (shell-command-on-region (point) (point) command output-buffer nil error-buffer)))))
;; We have a sentinel to prevent insertion of a termination message
;; in the buffer itself.
@@ -374,7 +388,8 @@
(substring signal 0 -1))))
(defun shell-command-on-region (start end command
- &optional output-buffer replace)
+ &optional output-buffer replace
+ error-buffer display-error-buffer)
"Execute string COMMAND in inferior shell with region as input.
Normally display output (if any) in temp buffer `*Shell Command Output*';
Prefix arg means replace the region with it.
@@ -394,7 +409,15 @@
If OUTPUT-BUFFER is a buffer or buffer name, put the output there.
If OUTPUT-BUFFER is not a buffer and not nil,
insert output in the current buffer.
-In either case, the output is inserted after point (leaving mark after it)."
+In either case, the output is inserted after point (leaving mark after it).
+
+If optional sixth argument ERROR-BUFFER is non-nil, it is a buffer
+or buffer name to which to direct the command's standard error output.
+If it is nil, error output is mingled with regular output.
+If DISPLAY-ERROR-BUFFER is non-nil, display the error buffer if there
+were any errors. (This is always t, interactively.)
+In an interactive call, the variable `shell-command-default-error-buffer'
+specifies the value of ERROR-BUFFER."
(interactive (let ((string
;; Do this before calling region-beginning
;; and region-end, in case subprocess output
@@ -405,79 +428,142 @@
(list (region-beginning) (region-end)
string
current-prefix-arg
- current-prefix-arg)))
- (if (or replace
- (and output-buffer
- (not (or (bufferp output-buffer) (stringp output-buffer)))))
- ;; Replace specified region with output from command.
- (let ((swap (and replace (< start end))))
- ;; Don't muck with mark unless REPLACE says we should.
- (goto-char start)
- (and replace (push-mark))
- (call-process-region start end shell-file-name t t nil
- shell-command-switch command)
- (let ((shell-buffer (get-buffer "*Shell Command Output*")))
- (and shell-buffer (not (eq shell-buffer (current-buffer)))
- (kill-buffer shell-buffer)))
- ;; Don't muck with mark unless REPLACE says we should.
- (and replace swap (exchange-point-and-mark t)))
+ current-prefix-arg
+ shell-command-default-error-buffer
+ t)))
+ (let ((error-file
+ (if error-buffer
+ (make-temp-file
+ (expand-file-name "scor"
+ (or small-temporary-file-directory
+ (temp-directory))))
+ nil))
+ (exit-status nil))
+ (if (or replace
+ (and output-buffer
+ (not (or (bufferp output-buffer) (stringp output-buffer)))))
+ ;; Replace specified region with output from command.
+ (let ((swap (and replace (< start end))))
+ ;; Don't muck with mark unless REPLACE says we should.
+ (goto-char start)
+ (and replace (push-mark))
+ (setq exit-status (call-process-region start end shell-file-name t
+ (if error-file
+ (list t error-file)
+ t)
+ nil shell-command-switch command))
+ (let ((shell-buffer (get-buffer "*Shell Command Output*")))
+ (and shell-buffer (nnot (eq shell-buffer (current-buffer)))
+ (kill-buffer shell-buffer)))
+ ;; Don't muck with mark unless REPLACE says we should.
+ (and replace swap (exchange-point-and-mark t)))
;; No prefix argument: put the output in a temp buffer,
;; replacing its entire contents.
- (let ((buffer (get-buffer-create
- (or output-buffer "*Shell Command Output*")))
- (success nil)
- (exit-status nil)
- (directory default-directory))
- (unwind-protect
- (if (eq buffer (current-buffer))
- ;; If the input is the same buffer as the output,
- ;; delete everything but the specified region,
- ;; then replace that region with the output.
- (progn (setq buffer-read-only nil)
- (delete-region (max start end) (point-max))
- (delete-region (point-min) (min start end))
- (setq exit-status
- (call-process-region (point-min) (point-max)
- shell-file-name t t nil
- shell-command-switch command))
- (setq success t))
- ;; Clear the output buffer,
- ;; then run the command with output there.
- (save-excursion
- (set-buffer buffer)
- (setq buffer-read-only nil)
- ;; XEmacs change
- (setq default-directory directory)
- (erase-buffer))
- (setq exit-status
- (call-process-region start end shell-file-name
- nil buffer nil
- shell-command-switch command))
- (setq success t))
- ;; Report the amount of output.
- (let ((lines (save-excursion
- (set-buffer buffer)
- (if (= (buffer-size) 0)
- 0
- (count-lines (point-min) (point-max))))))
- (cond ((= lines 0)
- (if success
- (display-message
- 'command
- (if (eql exit-status 0)
- "(Shell command succeeded with no output)"
- "(Shell command failed with no output)")))
- (kill-buffer buffer))
- ((and success (= lines 1))
- (message "%s"
- (save-excursion
- (set-buffer buffer)
- (goto-char (point-min))
- (buffer-substring (point)
- (progn (end-of-line)
- (point))))))
- (t
- (set-window-start (display-buffer buffer) 1))))))))
+ (let ((buffer (get-buffer-create
+ (or output-buffer "*Shell Command Output*")))
+ (directory default-directory))
+ (unwind-protect
+ (if (eq buffer (current-buffer))
+ ;; If the input is the same buffer as the output,
+ ;; delete everything but the specified region,
+ ;; then replace that region with the output.
+ (progn (setq buffer-read-only nil)
+ (delete-region (max start end) (point-max))
+ (delete-region (point-min) (min start end))
+ (setq exit-status
+ (call-process-region (point-min) (point-max)
+ shell-file-name t
+ (if error-file
+ (list t error-file)
+ t)
+ nil shell-command-switch
+ command)))
+ ;; Clear the output buffer,
+ ;; then run the command with output there.
+ (save-excursion
+ (set-buffer buffer)
+ (setq buffer-read-only nil)
+ ;; XEmacs change
+ (setq default-directory directory)
+ (erase-buffer))
+ (setq exit-status
+ (call-process-region start end shell-file-name
+ nil
+ (if error-file
+ (list buffer error-file)
+ buffer)
+ nil shell-command-switch command)))
+
+ ;; Report the output.
+ (with-current-buffer buffer
+ (setq modeline-process
+ (cond ((null exit-status)
+ " - Error")
+ ((stringp exit-status)
+ (format " - Signal [%s]" exit-status))
+ ((not (equal 0 exit-status))
+ (format " - Exit [%d]" exit-status)))))
+ (if (with-current-buffer buffer (> (point-max) (point-min)))
+ ;; There's some output, display it
+ (let ((lines (save-excursion
+ (set-buffer buffer)
+ (if (= (buffer-size) 0)
+ 0
+ (count-lines (point-min) (point-max))))))
+ (cond ((= lines 0)
+ (display-message
+ 'command
+ (if (eql exit-status 0)
+ "(Shell command succeeded with no output)"
+ "(Shell command failed with no output)"))
+ (kill-buffer buffer))
+ ((= lines 1)
+ (message "%s"
+ (save-excursion
+ (set-buffer buffer)
+ (goto-char (point-min))
+ (buffer-substring (point)
+ (progn (end-of-line)
+ (point))))))
+ (t
+ (set-window-start (display-buffer buffer) 1))))
+ ;; No output; error?
+ (let ((output
+ (if (and error-file
+ (< 0 (nth 7 (file-attributes error-file))))
+ "some error output"
+ "no output")))
+ (cond ((null exit-status)
+ (message "(Shell command failed with error)"))
+ ((equal 0 exit-status)
+ (message "(Shell command succeeded with %s)"
+ output))
+ ((stringp exit-status)
+ (message "(Shell command killed by signal %s)"
+ exit-status))
+ (t
+ (message "(Shell command failed with code %d and %s)"
+ exit-status output))))
+ ;; Don't kill: there might be useful info in the undo-log.
+ ;; (kill-buffer buffer)
+ ))))
+
+ (when (and error-file (file-exists-p error-file))
+ (if (< 0 (nth 7 (file-attributes error-file)))
+ (with-current-buffer (get-buffer-create error-buffer)
+ (let ((pos-from-end (- (point-max) (point))))
+ (or (bobp)
+ (insert "\f\n"))
+ ;; Do no formatting while reading error file,
+ ;; because that can run a shell command, and we
+ ;; don't want that to cause an infinite recursion.
+ (format-insert-file error-file nil)
+ ;; Put point after the inserted errors.
+ (goto-char (- (point-max) pos-from-end)))
+ (and display-error-buffer
+ (display-buffer (current-buffer)))))
+ (delete-file error-file))
+ exit-status))
(defun shell-quote-argument (argument)
"Quote an argument for passing as argument to an inferior shell."
diff -r 69a08906ad27 -r 68db75473fc6 tests/ChangeLog
--- a/tests/ChangeLog Wed Jul 20 00:42:16 2011 +0200
+++ b/tests/ChangeLog Sun Aug 07 23:22:59 2011 +0200
@@ -1,5 +1,7 @@
+2011-07-31 Mats Lidell <matsl(a)xemacs.org>
+ * automated/process-tests.el: shell-command tests.
+
2011-07-22 Mats Lidell <matsl(a)xemacs.org>
-
* automated/syntax-ppss-tests.el: Add tests for syntax-ppss.el.
2011-06-28 Aidan Kehoe <kehoea(a)parhasard.net>
diff -r 69a08906ad27 -r 68db75473fc6 tests/automated/process-tests.el
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/automated/process-tests.el Sun Aug 07 23:22:59 2011 +0200
@@ -0,0 +1,70 @@
+;; Copyright (C) 2011 Free Software Foundation, Inc.
+
+;; Author: Mats Lidell <matsl(a)xemacs.org>
+;; Maintainer:
+;; Created: 2011
+;; Keywords: tests
+
+;; This file is part of XEmacs.
+
+;; XEmacs is free software: you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by the
+;; Free Software Foundation, either version 3 of the License, or (at your
+;; option) any later version.
+
+;; XEmacs is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+;; for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs. If not, see <
http://www.gnu.org/licenses/>.
+
+;;; Synched up with: Not in FSF.
+
+;;; Commentary:
+
+;; Test tag support.
+;; See test-harness.el for instructions on how to run these tests.
+
+(require 'test-harness)
+
+(when (equal system-type 'linux)
+ (setenv "LANG" "C")
+
+ ;; One line output
+ (Assert (= 0 (shell-command "echo hello")))
+ (Assert (equal "hello" (message-displayed-p t)))
+ (with-current-buffer " *Echo Area*"
+ (goto-char (point-min))
+ (Assert (looking-at "hello")))
+
+ ;; Two lines. No output in echo area. (GNU resizes minibuffer but we
+ ;; haven't implemented that.)
+ (message "")
+ (Assert (= 0 (shell-command "echo -e \"foo\nbar\n\"")))
+ (with-current-buffer " *Echo Area*"
+ (Assert (= 0 (buffer-size))))
+ (with-current-buffer "*Shell Command Output*"
+ (goto-char (point-min))
+ (Assert (looking-at "foo"))):
+
+ (Assert (= 127 (shell-command "unknown_command")))
+ (Assert (= 2 (shell-command "exit 2")))
+ (Assert (equal "(Shell command failed with code 2 and no output)"
(message-displayed-p t)))
+
+ ;; Output to stderr With error buffer
+ (Assert (= 0 (shell-command "echo -e \"foo\nbar\n\" 1>&2"
"Output buffer" "Error buffer")))
+ (Assert (equal "(Shell command succeeded with some error output)"
(message-displayed-p t)))
+ (with-current-buffer "Error buffer"
+ (goto-char (point-min))
+ (Assert (looking-at "foo")))
+ (with-current-buffer "Output buffer"
+ (Assert (= 0 (buffer-size))))
+
+ ;; Output to stderr but no error buffer
+ (Assert (= 0 (shell-command "echo -e \"foobar\nfoobar\n\"
1>&2" "Output buffer")))
+ (with-current-buffer "Output buffer"
+ (goto-char (point-min))
+ (Assert (looking-at "foobar")))
+)
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