Mercurial > hg
view hgext/color.py @ 31209:dd2364f5180a
localrepo: handle rename with hardlinks properly
In "aftertrans", we rename "journal.*" to "undo.*". We expect "journal.*"
files to disappear after renaming.
However, if "journal.foo" and "undo.foo" refer to a same file (hardlink),
rename may be a no-op, leaving both files on disk, according to Linux
manpage [1]:
If oldpath and newpath are existing hard links referring to the same
file, then rename() does nothing, and returns a suc‐ cess status.
The POSIX specification [2] is not very clear about what to do.
To be safe, remove "undo.*" before the rename so "journal.*" cannot be left
on disk.
[1]: http://man7.org/linux/man-pages/man2/rename.2.html
[2]: http://pubs.opengroup.org/onlinepubs/9699919799/
author | Jun Wu <quark@fb.com> |
---|---|
date | Thu, 02 Mar 2017 21:49:30 -0800 |
parents | df0a0734304a |
children | e86eb75e74ce |
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# color.py color output for Mercurial commands # # Copyright (C) 2007 Kevin Christen <kevin.christen@gmail.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''enable Mercurial color mode (DEPRECATED) This extensions enable Mercurial color mode. The feature is now directly available in Mercurial core. You can access it using:: [ui] color = auto See :hg:`help color` for details. ''' from __future__ import absolute_import from mercurial import color # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should # be specifying the version(s) of Mercurial they are tested with, or # leave the attribute unspecified. testedwith = 'ships-with-hg-core' def extsetup(ui): # change default color config color._enabledbydefault = True