Rev 4480: NEWS entry about bug #390563 in http://bazaar.launchpad.net/~jameinel/bzr/bug-390563

[John Arbash Meinel]

At http://bazaar.launchpad.net/~jameinel/bzr/bug-390563

------------------------------------------------------------
revno: 4480
revision-id: john at arbash-meinel.com-20090625145800-u77thenvq6zu7h0w
parent: john at arbash-meinel.com-20090625145026-lxddqhqx10ffyy49
committer: John Arbash Meinel <john at arbash-meinel.com>
branch nick: bug-390563
timestamp: Thu 2009-06-25 09:58:00 -0500
message:
  NEWS entry about bug #390563
-------------- next part --------------
=== modified file 'NEWS'
--- a/NEWS	2009-06-23 09:05:52 +0000
+++ b/NEWS	2009-06-25 14:58:00 +0000
@@ -38,6 +38,9 @@
 * ``bzr ls DIR --from-root`` now shows only things in DIR, not everything.
   (Ian Clatworthy)
 
+* We now properly request a more minimal set of file texts when fetching
+  multiple revisions. (Robert Collins, John Arbash Meinel, #390563)
+
 * Progress bars are now suppressed again when the environment variable
   ``BZR_PROGRESS_BAR`` is set to ``none``.
   (Martin Pool, #339385)
@@ -62,9 +65,18 @@
 * Unshelve works correctly when multiple zero-length files are present on
   the shelf. (Aaron Bentley, #363444)
 
+
 Internals
 *********
 
+* ``chk_map.iter_interesting_nodes`` now properly uses the *intersection*
+  of referenced nodes rather than the *union* to determine what
+  uninteresting pages we still need to look at. Prior to this,
+  incrementally pushing to stacked branch would push the minimal data, but
+  fetching everything would request extra texts. There are some unhandled
+  cases wrt trees of different depths, but this fixes the common cases.
+  (Robert Collins, John Arbash Meinel, #390563)
+
 * Command lookup has had hooks added. ``bzrlib.Command.hooks`` has
   three new hook points: ``get_command``, ``get_missing_command`` and
   ``list_commands``, which allow just-in-time command name provision