diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -1905,7 +1905,7 @@ def clone(ui, source, dest=None, **opts)
 def commit(ui, repo, *pats, **opts):
     """commit changes in the queue repository (DEPRECATED)
 
-    This command is deprecated; use hg --mq commit instead."""
+    This command is deprecated; use hg commit --mq instead."""
     q = repo.mq
     r = q.qrepo()
     if not r:
diff --git a/hgext/rebase.py b/hgext/rebase.py
--- a/hgext/rebase.py
+++ b/hgext/rebase.py
@@ -164,10 +164,7 @@ def rebase(ui, repo, **opts):
                                     'resolve then run hg rebase --continue'))
                 updatedirstate(repo, rev, target, p2)
                 if not collapsef:
-                    extra = {'rebase_source': repo[rev].hex()}
-                    if extrafn:
-                        extrafn(repo[rev], extra)
-                    newrev = concludenode(repo, rev, p1, p2, extra=extra)
+                    newrev = concludenode(repo, rev, p1, p2, extrafn=extrafn)
                 else:
                     # Skip commit if we are collapsing
                     repo.dirstate.setparents(repo[p1].node())
@@ -193,7 +190,7 @@ def rebase(ui, repo, **opts):
                     commitmsg += '\n* %s' % repo[rebased].description()
             commitmsg = ui.edit(commitmsg, repo.ui.username())
             newrev = concludenode(repo, rev, p1, external, commitmsg=commitmsg,
-                                                    extra=extrafn)
+                                  extrafn=extrafn)
 
         if 'qtip' in repo.tags():
             updatemq(repo, state, skipped, **opts)
@@ -269,17 +266,19 @@ def updatedirstate(repo, rev, p1, p2):
                 if v in m2 and v not in m1:
                     repo.dirstate.remove(v)
 
-def concludenode(repo, rev, p1, p2, commitmsg=None, extra=None):
+def concludenode(repo, rev, p1, p2, commitmsg=None, extrafn=None):
     'Commit the changes and store useful information in extra'
     try:
         repo.dirstate.setparents(repo[p1].node(), repo[p2].node())
         if commitmsg is None:
             commitmsg = repo[rev].description()
-        if extra is None:
-            extra = {}
+        ctx = repo[rev]
+        extra = {'rebase_source': ctx.hex()}
+        if extrafn:
+            extrafn(ctx, extra)
         # Commit might fail if unresolved files exist
-        newrev = repo.commit(text=commitmsg, user=repo[rev].user(),
-                             date=repo[rev].date(), extra=extra)
+        newrev = repo.commit(text=commitmsg, user=ctx.user(),
+                             date=ctx.date(), extra=extra)
         repo.dirstate.setbranch(repo[newrev].branch())
         return newrev
     except util.Abort:
diff --git a/mercurial/help/templates.txt b/mercurial/help/templates.txt
--- a/mercurial/help/templates.txt
+++ b/mercurial/help/templates.txt
@@ -66,8 +66,9 @@ keywords are usually available for templ
 The "date" keyword does not produce human-readable output. If you
 want to use a date in your output, you can use a filter to process
 it. Filters are functions which return a string based on the input
-variable. You can also use a chain of filters to get the desired
-output::
+variable. Be sure to use the stringify filter first when you're
+applying a string-input filter to a list-like input variable.
+You can also use a chain of filters to get the desired output::
 
    $ hg tip --template "{date|isodate}\n"
    2008-08-21 18:22 +0000
diff --git a/mercurial/hgweb/wsgicgi.py b/mercurial/hgweb/wsgicgi.py
--- a/mercurial/hgweb/wsgicgi.py
+++ b/mercurial/hgweb/wsgicgi.py
@@ -69,5 +69,9 @@ def launch(application):
         return write
 
     content = application(environ, start_response)
-    for chunk in content:
-        write(chunk)
+    try:
+        for chunk in content:
+            write(chunk)
+    finally:
+        if hasattr(content, 'close'):
+            content.close()
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -26,6 +26,12 @@ except:
     raise SystemExit(
         "Couldn't import standard zlib (incomplete Python install).")
 
+try:
+	import bz2
+except:
+	raise SystemExit(
+		"Couldn't import standard bz2 (incomplete Python install).")
+
 import os, subprocess, time
 import shutil
 import tempfile
diff --git a/tests/test-convert-cvs b/tests/test-convert-cvs
--- a/tests/test-convert-cvs
+++ b/tests/test-convert-cvs
@@ -80,7 +80,8 @@ cvscall -q -d "$CVSROOT" checkout -d src
 ls srcfull
 hg convert srcfull srcfull-hg \
     | sed -e 's/connecting to.*cvsrepo/connecting to cvsrepo/g' \
-    | grep -v 'log entries' | grep -v 'hook:'
+    | grep -v 'log entries' | grep -v 'hook:' \
+    | grep -v '^[0-3] .*' # filter instable changeset order
 hg cat -r tip srcfull-hg/src/a
 hg cat -r tip srcfull-hg/src/b/c
 
diff --git a/tests/test-convert-cvs.out b/tests/test-convert-cvs.out
--- a/tests/test-convert-cvs.out
+++ b/tests/test-convert-cvs.out
@@ -67,10 +67,6 @@ creating changesets
 4 changeset entries
 sorting...
 converting...
-3 Initial revision
-2 import
-1 initial checkin
-0 ci0
 updating tags
 a
 c
diff --git a/tests/test-rebase-collapse b/tests/test-rebase-collapse
--- a/tests/test-rebase-collapse
+++ b/tests/test-rebase-collapse
@@ -43,7 +43,7 @@ createrepo > /dev/null 2>&1
 hg glog  --template '{rev}: {desc}\n'
 echo '% Rebasing B onto H'
 hg up -C 3
-hg rebase --collapse 2>&1 | sed 's/\(saving bundle to \).*/\1/'
+hg rebase --collapse --keepbranches 2>&1 | sed 's/\(saving bundle to \).*/\1/'
 hg glog  --template '{rev}: {desc}\n'
 echo "Expected A, B, C, D, F, H"
 hg manifest