[Emacs-diffs] /srv/bzr/emacs/trunk r99848: (compilation-save-buffers-predicate): New custom variable.

[Sam Steingold]

------------------------------------------------------------
revno: 99848
committer: Sam Steingold <address@hidden>
branch nick: trunk
timestamp: Wed 2010-04-07 12:20:35 -0400
message:
  (compilation-save-buffers-predicate): New custom variable.
  (compile, recompile): Pass it to `save-some-buffers'.
modified:
  lisp/ChangeLog
  lisp/progmodes/compile.el

=== modified file 'lisp/ChangeLog'
--- a/lisp/ChangeLog    2010-04-07 12:57:04 +0000
+++ b/lisp/ChangeLog    2010-04-07 16:20:35 +0000
@@ -1,3 +1,9 @@
+2010-04-07  Sam Steingold  <address@hidden>
+
+       * progmodes/compile.el (compilation-save-buffers-predicate): New
+       custom variable.
+       (compile, recompile): Pass it to `save-some-buffers'.
+
 2010-04-07  Jan Djärv  <address@hidden>
 
        * wid-edit.el (widget-choose): Move cursor to the second line of

=== modified file 'lisp/progmodes/compile.el'
--- a/lisp/progmodes/compile.el 2010-03-28 19:51:55 +0000
+++ b/lisp/progmodes/compile.el 2010-04-07 16:20:35 +0000
@@ -584,6 +584,21 @@
   :group 'compilation)
 
 ;;;###autoload
+(defcustom compilation-save-buffers-predicate nil
+  "The second argument (PRED) passed to `save-some-buffers' before compiling.
+E.g., one can set this to
+  (lambda ()
+    (string-prefix-p my-compilation-root (file-truename (buffer-file-name))))
+to limit saving to files located under `my-compilation-root'.
+Note, that, in general, `compilation-directory' cannot be used instead
+of `my-compilation-root' here."
+  :type '(choice
+          (const :tag "Default (save all file-visiting buffers)" nil)
+          (const :tag "Save all buffers" t)
+          function)
+  :group 'compilation)
+
+;;;###autoload
 (defcustom compilation-search-path '(nil)
   "List of directories to search for source files named in error messages.
 Elements should be directory names, not file names of directories.
@@ -1097,7 +1112,8 @@
     (consp current-prefix-arg)))
   (unless (equal command (eval compile-command))
     (setq compile-command command))
-  (save-some-buffers (not compilation-ask-about-save) nil)
+  (save-some-buffers (not compilation-ask-about-save)
+                     compilation-save-buffers-predicate)
   (setq-default compilation-directory default-directory)
   (compilation-start command comint))
 
@@ -1108,7 +1124,8 @@
 original use.  Otherwise, recompile using `compile-command'.
 If the optional argument `edit-command' is non-nil, the command can be edited."
   (interactive "P")
-  (save-some-buffers (not compilation-ask-about-save) nil)
+  (save-some-buffers (not compilation-ask-about-save)
+                     compilation-save-buffers-predicate)
   (let ((default-directory (or compilation-directory default-directory)))
     (when edit-command
       (setcar compilation-arguments