Mercurial > hg
view mercurial/txnutil.py @ 36218:e4ccd7a69f77
httppeer: change logic around argument handling
The code to process arguments only makes sense if there are
arguments. So change an "else" to "elif args", remove an
"if" that isn't necessary, and add some docs for good measure.
Differential Revision: https://phab.mercurial-scm.org/D2214
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Thu, 01 Feb 2018 19:32:42 -0800 |
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)