view tests/svn-safe-append.py @ 26498:e8564e04382d

lock: add a way to prevent locks from being inherited We want to prevent locks from being inherited sometimes (e.g. when there's a currently running transaction, which will break a lot of assumptions we're making in here.)
author Siddharth Agarwal <sid0@fb.com>
date Tue, 06 Oct 2015 13:13:31 -0700
parents c1b47c0fd2b6
children bdba6a2015d0
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#!/usr/bin/env python

__doc__ = """Same as `echo a >> b`, but ensures a changed mtime of b.
Without this svn will not detect workspace changes."""

import sys, os

text = sys.argv[1]
fname = sys.argv[2]

f = open(fname, "ab")
try:
    before = os.fstat(f.fileno()).st_mtime
    f.write(text)
    f.write("\n")
finally:
    f.close()
inc = 1
now = os.stat(fname).st_mtime
while now == before:
    t = now + inc
    inc += 1
    os.utime(fname, (t, t))
    now = os.stat(fname).st_mtime