Mercurial > hg
view tests/svn-safe-append.py @ 19744:06badf7d10dc
util.h: getbe32() and putbe32() use intrinsic function to improve performance
Refer to https://bugzilla.mozilla.org/show_bug.cgi?id=351557. It can improve
byte-swapping performance by intrinsic function.
author | Wei, Elson <elson.wei@gmail.com> |
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date | Sat, 14 Sep 2013 11:22:34 +0800 |
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