tests/svn-safe-append.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Fri, 28 Feb 2020 00:31:14 +0100
changeset 44527 448d700e0d27
parent 39740 e1e10cbb5568
child 45849 c102b704edb5
permissions -rwxr-xr-x
nodemap: make sure the nodemap docket is updated after the changelog It is better to have a lagging nodemap than a nodemap pointing to node that does not exists yet. (strictly speaking, the order was already right, however we make it more explicit). Differential Revision: https://phab.mercurial-scm.org/D8188

#!/usr/bin/env python

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]