updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved

% Now b has one revision to be pulled from a
pulling from 
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
saved backup bundle to 
@  3:L1
|
o  2:R1
|
o  1:C2
|
o  0:C1


% Re-run pull --rebase
pulling from 
searching for changes
no changes found

% Invoke pull --rebase and nothing to rebase
pulling from 
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
nothing to rebase
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
@  2
|

% pull --rebase --update should ignore --update
pulling from 
searching for changes
no changes found

% pull --rebase doesn't update if nothing has been pulled
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
pulling from 
searching for changes
no changes found
o  2
|