Mercurial > hg
view hgext/fsmonitor/watchmanclient.py @ 36062:382aefea8faf
remotenames: add new namespaces for remotebookmarks and remotebranches
This patch adds two new namespaces which will be enabled by remotenames
extension. The namespaces are remotebookmarks and remotebranches. Adding them
as namespaces will show them in various commands' output such as log, show work.
This will also unable to access changesets using that name.
Tests are also added for the same.
This is a part of moving hgremotenames extension to core.
hgremotenames: https://bitbucket.org/seanfarley/hgremotenames
Differential Revision: https://phab.mercurial-scm.org/D1758
author | Pulkit Goyal <7895pulkit@gmail.com> |
---|---|
date | Sat, 23 Dec 2017 14:24:41 +0530 |
parents | b0a0f7b9ed90 |
children | 57264906a996 |
line wrap: on
line source
# watchmanclient.py - Watchman client for the fsmonitor extension # # Copyright 2013-2016 Facebook, Inc. # # 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 getpass from mercurial import util from . import pywatchman class Unavailable(Exception): def __init__(self, msg, warn=True, invalidate=False): self.msg = msg self.warn = warn if self.msg == 'timed out waiting for response': self.warn = False self.invalidate = invalidate def __str__(self): if self.warn: return 'warning: Watchman unavailable: %s' % self.msg else: return 'Watchman unavailable: %s' % self.msg class WatchmanNoRoot(Unavailable): def __init__(self, root, msg): self.root = root super(WatchmanNoRoot, self).__init__(msg) class client(object): def __init__(self, repo, timeout=1.0): err = None if not self._user: err = "couldn't get user" warn = True if self._user in repo.ui.configlist('fsmonitor', 'blacklistusers'): err = 'user %s in blacklist' % self._user warn = False if err: raise Unavailable(err, warn) self._timeout = timeout self._watchmanclient = None self._root = repo.root self._ui = repo.ui self._firsttime = True def settimeout(self, timeout): self._timeout = timeout if self._watchmanclient is not None: self._watchmanclient.setTimeout(timeout) def getcurrentclock(self): result = self.command('clock') if not util.safehasattr(result, 'clock'): raise Unavailable('clock result is missing clock value', invalidate=True) return result.clock def clearconnection(self): self._watchmanclient = None def available(self): return self._watchmanclient is not None or self._firsttime @util.propertycache def _user(self): try: return getpass.getuser() except KeyError: # couldn't figure out our user return None def _command(self, *args): watchmanargs = (args[0], self._root) + args[1:] try: if self._watchmanclient is None: self._firsttime = False self._watchmanclient = pywatchman.client( timeout=self._timeout, useImmutableBser=True) return self._watchmanclient.query(*watchmanargs) except pywatchman.CommandError as ex: if 'unable to resolve root' in ex.msg: raise WatchmanNoRoot(self._root, ex.msg) raise Unavailable(ex.msg) except pywatchman.WatchmanError as ex: raise Unavailable(str(ex)) def command(self, *args): try: try: return self._command(*args) except WatchmanNoRoot: # this 'watch' command can also raise a WatchmanNoRoot if # watchman refuses to accept this root self._command('watch') return self._command(*args) except Unavailable: # this is in an outer scope to catch Unavailable form any of the # above _command calls self._watchmanclient = None raise