#!/usr/bin/env python3

from __future__ import absolute_import

__doc__ = """Same as `echo a >> b`, but ensures a changed mtime of b.

Without this svn will not detect workspace changes."""

import os

import stat

import sys

if sys.version_info[0] >= 3:

    text = os.fsencode(sys.argv[1])

    fname = os.fsencode(sys.argv[2])

else:

    text = sys.argv[1]

    fname = sys.argv[2]

f = open(fname, "ab")

try:

    before = os.fstat(f.fileno())[stat.ST_MTIME]

    f.write(text)

    f.write(b"\n")

finally:

    f.close()

inc = 1

now = os.stat(fname)[stat.ST_MTIME]

while now == before:

    t = now + inc

    inc += 1

    os.utime(fname, (t, t))

    now = os.stat(fname)[stat.ST_MTIME]