tests/test-diffstat.out

commands: do all branch heads by default, demote topological to -t/--topo

% wide diffstat
 a |  213 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 213 insertions(+), 0 deletions(-)
% diffstat width
 a |  213 ++++++++++++++
 1 files changed, 213 insertions(+), 0 deletions(-)
% narrow diffstat
 a |  3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
% binary diffstat
 b |    0 
 1 files changed, 0 insertions(+), 0 deletions(-)
% binary git diffstat
 b |  Bin 
 1 files changed, 0 insertions(+), 0 deletions(-)