churn: use integer division consistently

churn: use integer division consistently

This results in slight output changes, but it's at least consistent
between Python 2 and 3. Since the output is just bar graphs anyway,
I'm content with the changes.

Differential Revision: https://phab.mercurial-scm.org/D5063

--- a/contrib/python3-whitelist	Sat Oct 13 05:58:16 2018 -0400
+++ b/contrib/python3-whitelist	Sat Oct 13 06:02:27 2018 -0400
@@ -66,6 +66,7 @@
 test-check-pylint.t
 test-check-shbang.t
 test-children.t
+test-churn.t
 test-clone-cgi.t
 test-clone-pull-corruption.t
 test-clone-r.t

--- a/hgext/churn.py	Sat Oct 13 05:58:16 2018 -0400
+++ b/hgext/churn.py	Sat Oct 13 06:02:27 2018 -0400
@@ -8,7 +8,7 @@
 
 '''command to display statistics about repository history'''
 
-from __future__ import absolute_import
+from __future__ import absolute_import, division
 
 import datetime
 import os
@@ -205,7 +205,7 @@
                                     '*' * charnum(sum(count)))
 
     def charnum(count):
-        return int(round(count * width / maxcount))
+        return int(round(count * width // maxcount))
 
     for name, count in rate:
         ui.write(format(name, count))

--- a/tests/test-churn.t	Sat Oct 13 05:58:16 2018 -0400
+++ b/tests/test-churn.t	Sat Oct 13 06:02:27 2018 -0400
@@ -52,7 +52,7 @@
 
   $ hg churn -r :2
   user2      2 ***************************************************************
-  user1      1 ********************************
+  user1      1 *******************************
   $ cd ..
 
 churn with aliases
@@ -83,10 +83,10 @@
 churn by hour
 
   $ hg churn -f '%H' -s
-  06      1 *****************
+  06      1 ****************
   09      2 *********************************
   12      4 ******************************************************************
-  13      1 *****************
+  13      1 ****************
 
 
 churn with separated added/removed lines
@@ -94,16 +94,16 @@
   $ hg rm d/g/f2.txt
   $ hg ci -Am "removed d/g/f2.txt" -u user1 -d 14:00 d/g/f2.txt
   $ hg churn --diffstat
-  user1           +3/-1 +++++++++++++++++++++++++++++++++++++++++--------------
-  user3           +3/-0 +++++++++++++++++++++++++++++++++++++++++
+  user1           +3/-1 ++++++++++++++++++++++++++++++++++++++++-------------
+  user3           +3/-0 ++++++++++++++++++++++++++++++++++++++++
   user2           +2/-0 +++++++++++++++++++++++++++
 
 churn --diffstat with color
 
   $ hg --config extensions.color= churn --config color.mode=ansi \
   >     --diffstat --color=always
-  user1           +3/-1 \x1b[0;32m+++++++++++++++++++++++++++++++++++++++++\x1b[0m\x1b[0;31m--------------\x1b[0m (esc)
-  user3           +3/-0 \x1b[0;32m+++++++++++++++++++++++++++++++++++++++++\x1b[0m (esc)
+  user1           +3/-1 \x1b[0;32m++++++++++++++++++++++++++++++++++++++++\x1b[0m\x1b[0;31m-------------\x1b[0m (esc)
+  user3           +3/-0 \x1b[0;32m++++++++++++++++++++++++++++++++++++++++\x1b[0m (esc)
   user2           +2/-0 \x1b[0;32m+++++++++++++++++++++++++++\x1b[0m (esc)
 
 
@@ -112,7 +112,7 @@
   $ hg churn -c
   user1      4 ***************************************************************
   user3      3 ***********************************************
-  user2      2 ********************************
+  user2      2 *******************************
 
   $ echo 'with space = no-space' >> ../aliases
   $ echo a >> a
@@ -154,9 +154,9 @@
   [[e-mail]]
   $ hg churn -c
   user1            4 *********************************************************
-  user3            3 *******************************************
-  user2            2 *****************************
-  [e-mail]      2 *****************************
+  user3            3 ******************************************
+  user2            2 ****************************
+  [e-mail]      2 ****************************
   with space       1 **************
 
 Test multibyte sequences in names
@@ -165,28 +165,28 @@
   $ hg --encoding utf-8 ci -m'changed bar' -u 'El Niño <[e-mail]>'
   $ hg --encoding utf-8 churn -ct '{author|person}'
   user1           4 **********************************************************
-  user3           3 ********************************************
+  user3           3 *******************************************
   user2           2 *****************************
   user4           2 *****************************
-  El Ni\xc3\xb1o         1 *************** (esc)
-  with space      1 ***************
+  El Ni\xc3\xb1o         1 ************** (esc)
+  with space      1 **************
 
 Test --template argument, with backwards compatibility
 
   $ hg churn -t '{author|user}'
   user1      4 ***************************************************************
   user3      3 ***********************************************
-  user2      2 ********************************
-  nino       1 ****************
-  with       1 ****************
+  user2      2 *******************************
+  nino       1 ***************
+  with       1 ***************
              0 
   user4      0 
   $ hg churn -T '{author|user}'
   user1      4 ***************************************************************
   user3      3 ***********************************************
-  user2      2 ********************************
-  nino       1 ****************
-  with       1 ****************
+  user2      2 *******************************
+  nino       1 ***************
+  with       1 ***************
              0 
   user4      0 
   $ hg churn -t 'alltogether'