Mercurial > hg
view hgext/narrow/__init__.py @ 36160:9fd8c2a3db5a
narrowspec: move module into core
Having support for parsing the narrow specification in core is
necessary for moving many other parts of narrow to core.
We do still want to harmonize the narrow spec with the sparse
spec. And the format needs to be documented. But this shouldn't
hold up the code moving to core.
Differential Revision: https://phab.mercurial-scm.org/D2201
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 12 Feb 2018 16:21:34 -0800 |
parents | ea02be8665ef |
children | 3f0af89e008d |
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# __init__.py - narrowhg extension # # Copyright 2017 Google, Inc. # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. '''create clones which fetch history data for subset of files (EXPERIMENTAL)''' from __future__ import absolute_import # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should # be specifying the version(s) of Mercurial they are tested with, or # leave the attribute unspecified. testedwith = 'ships-with-hg-core' from mercurial import ( extensions, hg, localrepo, registrar, verify as verifymod, ) from . import ( narrowbundle2, narrowchangegroup, narrowcommands, narrowcopies, narrowdirstate, narrowmerge, narrowpatch, narrowrepo, narrowrevlog, narrowtemplates, narrowwirepeer, ) configtable = {} configitem = registrar.configitem(configtable) # Narrowhg *has* support for serving ellipsis nodes (which are used at # least by Google's internal server), but that support is pretty # fragile and has a lot of problems on real-world repositories that # have complex graph topologies. This could probably be corrected, but # absent someone needing the full support for ellipsis nodes in # repositories with merges, it's unlikely this work will get done. As # of this writining in late 2017, all repositories large enough for # ellipsis nodes to be a hard requirement also enforce strictly linear # history for other scaling reasons. configitem('experimental', 'narrowservebrokenellipses', default=False, alias=[('narrow', 'serveellipses')], ) # Export the commands table for Mercurial to see. cmdtable = narrowcommands.table localrepo.localrepository._basesupported.add(narrowrepo.REQUIREMENT) def uisetup(ui): """Wraps user-facing mercurial commands with narrow-aware versions.""" narrowrevlog.setup() narrowbundle2.setup() narrowmerge.setup() narrowcommands.setup() narrowchangegroup.setup() narrowwirepeer.uisetup() def reposetup(ui, repo): """Wraps local repositories with narrow repo support.""" if not isinstance(repo, localrepo.localrepository): return if narrowrepo.REQUIREMENT in repo.requirements: narrowrepo.wraprepo(repo, True) narrowcopies.setup(repo) narrowdirstate.setup(repo) narrowpatch.setup(repo) narrowwirepeer.reposetup(repo) def _verifierinit(orig, self, repo, matcher=None): # The verifier's matcher argument was desgined for narrowhg, so it should # be None from core. If another extension passes a matcher (unlikely), # we'll have to fail until matchers can be composed more easily. assert matcher is None matcher = getattr(repo, 'narrowmatch', lambda: None)() orig(self, repo, matcher) def extsetup(ui): extensions.wrapfunction(verifymod.verifier, '__init__', _verifierinit) extensions.wrapfunction(hg, 'postshare', narrowrepo.wrappostshare) extensions.wrapfunction(hg, 'copystore', narrowrepo.unsharenarrowspec) templatekeyword = narrowtemplates.templatekeyword revsetpredicate = narrowtemplates.revsetpredicate