Mercurial > hg
view mercurial/txnutil.py @ 40312:5644f7c8982e
branchmap: remove redundant sort
There is absoluty no benefit in sorting a list that's being merged into a set
on the next line. The changelog.ancestors() call later on also doesn't benefit
from a sorted sequence of revs.
Differential Revision: https://phab.mercurial-scm.org/D5111
author | Martijn Pieters <mj@octobus.net> |
---|---|
date | Fri, 31 Aug 2018 19:58:41 +0100 |
parents | 206532700213 |
children | 2372284d9457 |
line wrap: on
line source
# txnutil.py - transaction related utilities # # Copyright FUJIWARA Katsunori <foozy@lares.dti.ne.jp> and others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import errno from . import ( encoding, ) def mayhavepending(root): '''return whether 'root' may have pending changes, which are visible to this process. ''' return root == encoding.environ.get('HG_PENDING') def trypending(root, vfs, filename, **kwargs): '''Open file to be read according to HG_PENDING environment variable This opens '.pending' of specified 'filename' only when HG_PENDING is equal to 'root'. This returns '(fp, is_pending_opened)' tuple. ''' if mayhavepending(root): try: return (vfs('%s.pending' % filename, **kwargs), True) except IOError as inst: if inst.errno != errno.ENOENT: raise return (vfs(filename, **kwargs), False)