(vc-svn-resolve-when-done, vc-svn-find-file-hook): New funs.

Used to try and automatically enabled smerge-mode in the presence of
conflicts and to call `svn resolved' when the conflicts are gone.
(vc-svn-parse-status): Remember the svn-specific status.

2 files changed, 34 insertions, 0 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e2b68f2b617..b8ff1f4827c 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,10 @@
 2007-09-28  Stefan Monnier  <monnier@iro.umontreal.ca>
 
+        * vc-svn.el (vc-svn-resolve-when-done, vc-svn-find-file-hook): New funs.
+        Used to try and automatically enabled smerge-mode in the presence of
+        conflicts and to call `svn resolved' when the conflicts are gone.
+        (vc-svn-parse-status): Remember the svn-specific status.
+
         * newcomment.el (comment-choose-indent): New function extracted
         from comment-indent.  Improve the alignment algorithm.
         (comment-indent): Use it.
diff --git a/lisp/vc-svn.el b/lisp/vc-svn.el
index ceb1df52eaf..bfb0da68048 100644
--- a/lisp/vc-svn.el
+++ b/lisp/vc-svn.el
@@ -493,6 +493,33 @@ and that it passes `vc-svn-global-switches' to it before FLAGS."
       ;; behavior for different modules on the same server.
       (match-string 1))))
 
+(defun vc-svn-resolve-when-done ()
+  "Call \"svn resolved\" if the conflict markers have been removed."
+  (save-excursion
+    (goto-char (point-min))
+    (if (not (re-search-forward "^<<<<<<< " nil t))
+        (vc-svn-command nil 0 buffer-file-name "resolved"))))
+
+;; Inspired by vc-arch-find-file-hook.
+(defun vc-svn-find-file-hook ()
+  (when (eq ?C (vc-file-getprop buffer-file-name 'vc-svn-status))
+    ;; If the file is marked as "conflicted", then we should try and call
+    ;; "svn resolved" when applicable.
+    (if (save-excursion
+          (goto-char (point-min))
+          (re-search-forward "^<<<<<<< " nil t))
+        ;; There are conflict markers.
+        (progn
+          (smerge-mode 1)
+          (add-hook 'after-save-hook 'vc-svn-resolve-when-done nil t))
+      ;; There are no conflict markers.  This is problematic: maybe it means
+      ;; the conflict has been resolved and we should immediately call "svn
+      ;; resolved", or it means that the file's type does not allow Svn to
+      ;; use conflict markers in which case we don't really know what to do.
+      ;; So let's just punt for now.
+      nil)
+    (message "There are unresolved conflicts in this file")))
+
 (defun vc-svn-parse-status (&optional filename)
   "Parse output of \"svn status\" command in the current buffer.
 Set file properties accordingly.  Unless FILENAME is non-nil, parse only
@@ -515,6 +542,8 @@ information about FILENAME and return its status."
         ;; Use the last-modified revision, so that searching in vc-print-log
         ;; output works.
         (vc-file-setprop file 'vc-workfile-version (match-string 3))
+        ;; Remember Svn's own status.
+        (vc-file-setprop file 'vc-svn-status status)
         (vc-file-setprop
          file 'vc-state
          (cond