(vc-bzr-working-revision): Fix looking for a revision

in a lightweight checkout.

2 files changed, 18 insertions, 3 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1b493440367..2dc2a1270bd 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2010-01-05  Dan Nicolaescu  <dann@ics.uci.edu>
+
+        * vc-bzr.el (vc-bzr-working-revision): Fix looking for a revision
+        in a lightweight checkout.
+
 2010-01-05  Kenichi Handa  <handa@m17n.org>
 
         * language/indian.el (malayalam-composable-pattern): Fix ZWNJ and
diff --git a/lisp/vc-bzr.el b/lisp/vc-bzr.el
index fc62696af1d..d0b8ec8ff6a 100644
--- a/lisp/vc-bzr.el
+++ b/lisp/vc-bzr.el
@@ -356,9 +356,19 @@ If any error occurred in running `bzr status', then return nil."
                (if (file-exists-p location-fname)
                    (with-temp-buffer
                      (insert-file-contents location-fname)
-                     (when (re-search-forward "file://\(.+\)" nil t)
-                       (setq branch-format-file (match-string 1))
-                       (file-exists-p branch-format-file)))
+                     ;; If the lightweight checkout points to a
+                     ;; location in the local file system, then we can
+                     ;; look there for the version information.
+                     (when (re-search-forward "file://\\(.+\\)" nil t)
+                       (let ((l-c-parent-dir (match-string 1)))
+                         (setq branch-format-file
+                               (expand-file-name vc-bzr-admin-branch-format-file
+                                                 l-c-parent-dir))
+                         (setq lastrev-file
+                               (expand-file-name vc-bzr-admin-lastrev l-c-parent-dir))
+                         ;; FIXME: maybe it's overkill to check if both these files exist.
+                         (and (file-exists-p branch-format-file)
+                              (file-exists-p lastrev-file)))))
                  t)))
         (with-temp-buffer
           (insert-file-contents branch-format-file)