Mercurial > hg
view mercurial/txnutil.py @ 34365:cd3f39716fd3
exchange: fix test for remote support of binary phases
If the remote do not support phases, the "get" call will return None. We
change that default return to empty tuple to fix the membership testing.
This was a bug in the initial series. Thanks to yuja for catching this.
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Sat, 30 Sep 2017 10:09:29 +0100 |
parents | 206532700213 |
children | 2372284d9457 |
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# 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)