darcs2hg.py: import darcs project into mercurial
For now, the tags are not taken into account (so you have to reenter
the tags by hand)
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
removing b
this update spans a branch affecting the following files:
b
aborting update spanning branches!
(use 'hg merge' to merge across branches or 'hg update -C' to lose changes)