Mercurial > hg-stable
view tests/svn-safe-append.py @ 43150:7ff40418c6bf
fuzz: new fuzzer for dirs.c
This found a six-year-old bug immediately, and then I put it through a
few CPU-days of time before sending it.
Differential Revision: https://phab.mercurial-scm.org/D7031
author | Augie Fackler <augie@google.com> |
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date | Wed, 09 Oct 2019 20:48:12 -0700 |
parents | e1e10cbb5568 |
children | c102b704edb5 |
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#!/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]