Mercurial > hg-stable
view mercurial/txnutil.py @ 48873:c95e5ba4de1e stable
run-tests: also send a message in the Keyboard interrupt case
The next patch will do something equivalent, so lets do the change in an
independant changeset first in case we need to bisect something in the future.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 24 May 2022 09:36:40 +0200 |
parents | 89a2afe31e82 |
children | 6000f5b25c9b |
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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(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 IOError as inst: if inst.errno != errno.ENOENT: raise return (vfs(filename, **kwargs), False)