[Emacs-diffs] Changes to emacs/lisp/progmodes/grep.el,v

[Juanma Barranquero]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Juanma Barranquero <lektu>      07/11/20 16:38:23

Index: grep.el
===================================================================
RCS file: /sources/emacs/emacs/lisp/progmodes/grep.el,v
retrieving revision 1.79
retrieving revision 1.80
diff -u -b -r1.79 -r1.80
--- grep.el     30 Aug 2007 09:36:59 -0000      1.79
+++ grep.el     20 Nov 2007 16:38:23 -0000      1.80
@@ -333,6 +333,12 @@
 This variable's value takes effect when `grep-compute-defaults' is called.")
 
 ;;;###autoload
+(defvar xargs-program "xargs"
+  "The default xargs program for `grep-find-command'.
+See `grep-find-use-xargs'.
+This variable's value takes effect when `grep-compute-defaults' is called.")
+
+;;;###autoload
 (defvar grep-find-use-xargs nil
   "Non-nil means that `grep-find' uses the `xargs' utility by default.
 If `exec', use `find -exec'.
@@ -475,15 +481,15 @@
                (cond
                 ((and
                   (grep-probe find-program `(nil nil nil ,null-device 
"-print0"))
-                  (grep-probe "xargs" `(nil nil nil "-0" "-e" "echo")))
+                  (grep-probe xargs-program `(nil nil nil "-0" "-e" "echo")))
                  'gnu)
                 (t
                  'exec))))
        (unless grep-find-command
          (setq grep-find-command
                (cond ((eq grep-find-use-xargs 'gnu)
-                      (format "%s . -type f -print0 | xargs -0 -e %s"
-                              find-program grep-command))
+                      (format "%s . -type f -print0 | %s -0 -e %s"
+                              find-program xargs-program grep-command))
                      ((eq grep-find-use-xargs 'exec)
                       (let ((cmd0 (format "%s . -type f -exec %s"
                                           find-program grep-command)))
@@ -493,22 +499,22 @@
                                  (shell-quote-argument ";"))
                          (1+ (length cmd0)))))
                      (t
-                      (format "%s . -type f -print | xargs %s"
-                              find-program grep-command)))))
+                      (format "%s . -type f -print | %s %s"
+                              find-program xargs-program grep-command)))))
        (unless grep-find-template
          (setq grep-find-template
                (let ((gcmd (format "%s <C> %s <R>"
                                    grep-program grep-options)))
                  (cond ((eq grep-find-use-xargs 'gnu)
-                        (format "%s . <X> -type f <F> -print0 | xargs -0 -e %s"
-                                find-program gcmd))
+                        (format "%s . <X> -type f <F> -print0 | %s -0 -e %s"
+                                find-program xargs-program gcmd))
                        ((eq grep-find-use-xargs 'exec)
                         (format "%s . <X> -type f <F> -exec %s {} %s %s"
                                 find-program gcmd null-device
                                 (shell-quote-argument ";")))
                        (t
-                        (format "%s . <X> -type f <F> -print | xargs %s"
-                                find-program gcmd))))))))
+                        (format "%s . <X> -type f <F> -print | %s %s"
+                                find-program xargs-program gcmd))))))))
     (unless (or (not grep-highlight-matches) (eq grep-highlight-matches t))
       (setq grep-highlight-matches
            (with-temp-buffer
@@ -543,7 +549,7 @@
       ""))
 
 (defun grep-default-command ()
-  "Compute the default grep command for C-u M-x grep to offer."
+  "Compute the default grep command for \\[universal-argument] \\[grep] to 
offer."
   (let ((tag-default (shell-quote-argument (grep-tag-default)))
        ;; This a regexp to match single shell arguments.
        ;; Could someone please add comments explaining it?
@@ -596,19 +602,19 @@
   "Run grep, with user-specified args, and collect output in a buffer.
 While grep runs asynchronously, you can use \\[next-error] (M-x next-error),
 or \\<grep-mode-map>\\[compile-goto-error] in the grep \
-output buffer, to go to the lines
-where grep found matches.
+output buffer, to go to the lines where grep
+found matches.
 
 For doing a recursive `grep', see the `rgrep' command.  For running
 `grep' in a specific directory, see `lgrep'.
 
-This command uses a special history list for its COMMAND-ARGS, so you can
-easily repeat a grep command.
+This command uses a special history list for its COMMAND-ARGS, so you
+can easily repeat a grep command.
 
 A prefix argument says to default the argument based upon the current
 tag the cursor is over, substituting it into the last grep command
-in the grep command history (or into `grep-command'
-if that history list is empty)."
+in the grep command history (or into `grep-command' if that history
+list is empty)."
   (interactive
    (progn
      (grep-compute-defaults)
@@ -736,8 +742,9 @@
 With two \\[universal-argument] prefixes, directly edit and run `grep-command'.
 
 Collect output in a buffer.  While grep runs asynchronously, you
-can use \\[next-error] (M-x next-error), or 
\\<grep-mode-map>\\[compile-goto-error]
-in the grep output buffer, to go to the lines where grep found matches.
+can use \\[next-error] (M-x next-error), or 
\\<grep-mode-map>\\[compile-goto-error] \
+in the grep output buffer,
+to go to the lines where grep found matches.
 
 This command shares argument histories with \\[rgrep] and \\[grep]."
   (interactive
@@ -797,8 +804,9 @@
 With two \\[universal-argument] prefixes, directly edit and run 
`grep-find-command'.
 
 Collect output in a buffer.  While find runs asynchronously, you
-can use \\[next-error] (M-x next-error), or 
\\<grep-mode-map>\\[compile-goto-error]
-in the grep output buffer, to go to the lines where grep found matches.
+can use \\[next-error] (M-x next-error), or 
\\<grep-mode-map>\\[compile-goto-error] \
+in the grep output buffer,
+to go to the lines where grep found matches.
 
 This command shares argument histories with \\[lgrep] and \\[grep-find]."
   (interactive