view tests/test-churn.out @ 7732:3793802ea41b

Make util.find_exe alway returns existing file, fixing issue1459

It seems like the old behaviour with different handling for commands with and
without path was intended, but I think this behaviour of util.find_exe is
better:
* Always returns existing file
* or None if command not found - no default
* Windows: Returned file thus always ends with extension from PATHEXT

This fixes http://www.selenic.com/mercurial/bts/issue1459. The change might
fix other unintended behaviour too.

% create test repository
adding a
adding b
adding c
% churn all
user3      3 ***************************************************************
user2      2 ******************************************
user1      1 *********************
% churn up to rev 2
user2      2 ***************************************************************
user1      1 *******************************
% churn with aliases
alias3      3 **************************************************************
user2       2 *****************************************
alias1      1 ********************
% churn with column specifier
user3      3 ***********************
user2      2 ***************
user1      1 *******
% churn by hour
06      1 **********************
09      2 ********************************************
12      3 ******************************************************************