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-rw-r--r--lisp/ChangeLog7
-rw-r--r--lisp/vc-dispatcher.el19
-rw-r--r--lisp/vc.el18
3 files changed, 24 insertions, 20 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 20e02ce4c7..cbb2eb4dc4 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -2,9 +2,14 @@
* vc.el (vc-dir), vc-hooks.el: Tweak the VC directory bindings.
These are now documented in the manual.
- * vc-dispatcher.el (vc-dir-update, vc-dir-parent-marked-p,
+ * vc-dispatcher.el (vc-dir-update, vc-dir-parent-marked-p,
vc-dir-children-marked-p): Remove the vc-dir-insert-directories global.
+ * vc-dispatcher.el (vc-dispatcher-selection-set): Allow callers to
+ pass in an observer flag that says no buffer sync is required.
+ * vc.el (vc-deduce-fileset, vc-print-log, vc-version-diff): Use
+ the observer flag.
+
2008-05-09 Michael Albinus <[email protected]>
* simple.el (start-file-process): Clarify docstring.
diff --git a/lisp/vc-dispatcher.el b/lisp/vc-dispatcher.el
index de034116da..16c8a0fc5a 100644
--- a/lisp/vc-dispatcher.el
+++ b/lisp/vc-dispatcher.el
@@ -1270,16 +1270,6 @@ U - if the cursor is on a file: unmark all the files with the same VC state
(put 'vc-dir-mode 'mode-class 'special)
-(defun vc-buffer-sync (&optional not-urgent)
- "Make sure the current buffer and its working file are in sync.
-NOT-URGENT means it is ok to continue if the user says not to save."
- (when (buffer-modified-p)
- (if (or vc-suppress-confirm
- (y-or-n-p (format "Buffer %s modified; save it? " (buffer-name))))
- (save-buffer)
- (unless not-urgent
- (error "Aborted")))))
-
(defun vc-dispatcher-browsing ()
"Are we in a directory browser buffer?"
(derived-mode-p 'vc-dir-mode))
@@ -1295,7 +1285,7 @@ NOT-URGENT means it is ok to continue if the user says not to save."
(setq member t))))
member))
-(defun vc-dispatcher-selection-set ()
+(defun vc-dispatcher-selection-set (&optional observer)
"Deduce a set of files to which to apply an operation. Return the fileset.
If we're in a directory display, the fileset is the list of marked files (if
there is one) else the file on the curreent line. If not in a directory
@@ -1320,10 +1310,9 @@ containing that file. Otherwise, throw an error."
;; We assume, in order to avoid unpleasant surprises to the user,
;; that a fileset is not in good shape to be handed to the user if the
;; buffers visiting the fileset don't match the on-disk contents.
- ;; This is actually untrue for operations like `print-log' (or `diff'
- ;; between two revisions), so maybe this should be moved elsewhere.
- (save-some-buffers
- nil (lambda () (vc-dispatcher-in-fileset-p files)))
+ (if (not observer)
+ (save-some-buffers
+ nil (lambda () (vc-dispatcher-in-fileset-p files))))
files))
;; arch-tag: 7d08b17f-5470-4799-914b-bfb9fcf6a246
diff --git a/lisp/vc.el b/lisp/vc.el
index 2a46d13873..55fc1cc9fa 100644
--- a/lisp/vc.el
+++ b/lisp/vc.el
@@ -1002,10 +1002,10 @@ Only files already under version control are noticed."
node (lambda (f) (when (vc-backend f) (push f flattened)))))
(nreverse flattened)))
-(defun vc-deduce-fileset ()
+(defun vc-deduce-fileset (&optional observer)
"Deduce a set of files and a backend to which to apply an operation and
the common state of the fileset. Return (BACKEND . FILESET)."
- (let* ((fileset (vc-dispatcher-selection-set))
+ (let* ((fileset (vc-dispatcher-selection-set observer))
;; FIXME: Store the backend in a buffer-local variable.
(backend (if (derived-mode-p 'vc-dir-mode)
(vc-responsible-backend default-directory)
@@ -1031,6 +1031,16 @@ the common state of the fileset. Return (BACKEND . FILESET)."
(unless (vc-backend buffer-file-name)
(error "File %s is not under version control" buffer-file-name))))))
+(defun vc-buffer-sync (&optional not-urgent)
+ "Make sure the current buffer and its working file are in sync.
+NOT-URGENT means it is ok to continue if the user says not to save."
+ (when (buffer-modified-p)
+ (if (or vc-suppress-confirm
+ (y-or-n-p (format "Buffer %s modified; save it? " (buffer-name))))
+ (save-buffer)
+ (unless not-urgent
+ (error "Aborted")))))
+
;;; Support for the C-x v v command.
;; This is where all the single-file-oriented code from before the fileset
;; rewrite lives.
@@ -1561,7 +1571,7 @@ returns t if the buffer had changes, nil otherwise."
(defun vc-version-diff (files rev1 rev2)
"Report diffs between revisions of the fileset in the repository history."
(interactive
- (let* ((vc-fileset (vc-deduce-fileset))
+ (let* ((vc-fileset (vc-deduce-fileset t))
(files (cdr vc-fileset))
(backend (car vc-fileset))
(first (car files))
@@ -2123,7 +2133,7 @@ allowed and simply skipped)."
"List the change log of the current fileset in a window.
If WORKING-REVISION is non-nil, leave the point at that revision."
(interactive)
- (let* ((vc-fileset (vc-deduce-fileset))
+ (let* ((vc-fileset (vc-deduce-fileset t))
(backend (car vc-fileset))
(files (cdr vc-fileset))
(working-revision (or working-revision (vc-working-revision (car files)))))