tests/filtercr.py

subrepo: use code from 71ea5b2b9517 only if Python needs it (issue2795)

With Python >= 2.6 the original code already works correct, therefore the
fix for issue2556 on Python <= 2.5 broke relative subrepositories with
newer versions of Python.

#!/usr/bin/env python

# Filter output by the progress extension to make it readable in tests

import sys, re

for line in sys.stdin:
    line = re.sub(r'\r+[^\n]', lambda m: '\n' + m.group()[-1:], line)
    sys.stdout.write(line)
print