view tests/test-churn.out @ 9639:5384a22ab698

diffstat: print 0 instead of nothing for 0 adds or removes

This is in line with how the stock diffstat behaves when processing a
single diff with no line modifications (like a binary diff).

% create test repository
adding a
adding b
adding c
% churn separate directories
user1      1 ***************************************************************
% churn all
user3      3 ***************************************************************
user1      3 ***************************************************************
user2      2 ******************************************
% churn up to rev 2
user2      2 ***************************************************************
user1      1 *******************************
% churn with aliases
alias3      3 **************************************************************
alias1      3 **************************************************************
user2       2 *****************************************
% churn with .hgchurn
alias3      3 **************************************************************
alias1      3 **************************************************************
user2       2 *****************************************
% churn with column specifier
user3      3 ***********************
user1      3 ***********************
user2      2 ***************
% churn by hour
06      1 ****************
09      2 *********************************
12      4 ******************************************************************
13      1 ****************
adding foo
test      0