Mercurial > hg
view mercurial/txnutil.py @ 52263:391ddc987902 stable
packaging: factor the linux-wheels-x86_64 a bit
This will make introduction of more variant simpler and testing quicker
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Fri, 15 Nov 2024 16:27:41 +0100 |
parents | f4733654f144 |
children |
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 annotations from . import encoding def mayhavepending(root): """return whether 'root' may have pending changes, which are visible to this process. """ return root == encoding.environ.get(b'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(b'%s.pending' % filename, **kwargs), True) except FileNotFoundError: pass return (vfs(filename, **kwargs), False)