Merge with stable

mercurial/hg.py

@@ -221,7 +221,7 b' def clone(ui, source, dest=None, pull=Fa'
         src_repo = repository(ui, source)
     else:
         src_repo = source
-        branch = (None, [])
+        branch = (None, branch or [])
         origsource = source = src_repo.url()
     rev, checkout = addbranchrevs(src_repo, src_repo, branch, rev)
 

tests/test-clone.t

@@ -431,3 +431,13 b' Testing issue2267:'
 
   $ rm -r ua
 
+cat <<EOF > branchclone.py
+from mercurial import ui, hg
+myui = ui.ui()
+repo = hg.repository(myui, 'a')
+hg.clone(myui, repo, dest="ua", branch=["stable",])
+EOF
+
+python branchclone.py
+rm -r ua
+