commands: Add 'hg log --branch' and deprecate 'hg log --only-branch'
Switching to --branch makes log consistent with push/pull and make more sense
given the actual behavior of the option (you can specify -b multiple times to
include multiple branches).
This change also adds some tests for 'hg log -b'.
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
removing b
created new head
% should abort
abort: crosses branches (use 'hg merge' to merge or use 'hg update -C' to discard changes)
% should succeed
1 files updated, 0 files merged, 0 files removed, 0 files unresolved