tests/test-status-inprocess.py

tests: replace `tac` reimplementation by `sort -r`

`sort -r` is better code "formatter" than `tac` since it's
stable. It's also portable so we don't need to reimplement it in
Python.

Differential Revision: https://phab.mercurial-scm.org/D5239

#!/usr/bin/env python
from __future__ import absolute_import, print_function

import sys

from mercurial import (
    commands,
    localrepo,
    ui as uimod,
)

print_ = print
def print(*args, **kwargs):
    """print() wrapper that flushes stdout buffers to avoid py3 buffer issues

    We could also just write directly to sys.stdout.buffer the way the
    ui object will, but this was easier for porting the test.
    """
    print_(*args, **kwargs)
    sys.stdout.flush()

u = uimod.ui.load()

print('% creating repo')
repo = localrepo.instance(u, b'.', create=True)

f = open('test.py', 'w')
try:
    f.write('foo\n')
finally:
    f.close

print('% add and commit')
commands.add(u, repo, b'test.py')
commands.commit(u, repo, message=b'*')
commands.status(u, repo, clean=True)


print('% change')
f = open('test.py', 'w')
try:
    f.write('bar\n')
finally:
    f.close()

# this would return clean instead of changed before the fix
commands.status(u, repo, clean=True, modified=True)