Mercurial > hg
view mercurial/rewriteutil.py @ 42273:651f325e4fdd
remotefilelog: move most functions in onetimeclientsetup() to top level
This is how most extensions seem to do it. It makes sure we don't
accidentally depend on the captured ui instance.
Differential Revision: https://phab.mercurial-scm.org/D6333
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 01 May 2019 15:24:16 -0700 |
parents | 8c6329fa6038 |
children | 57875cf423c9 |
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# rewriteutil.py - utility functions for rewriting changesets # # Copyright 2017 Octobus <contact@octobus.net> # # 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 from .i18n import _ from . import ( error, node, obsolete, revset, ) def precheck(repo, revs, action='rewrite'): """check if revs can be rewritten action is used to control the error message. Make sure this function is called after taking the lock. """ if node.nullrev in revs: msg = _("cannot %s null changeset") % (action) hint = _("no changeset checked out") raise error.Abort(msg, hint=hint) if len(repo[None].parents()) > 1: raise error.Abort(_("cannot %s while merging") % action) publicrevs = repo.revs('%ld and public()', revs) if publicrevs: msg = _("cannot %s public changesets") % (action) hint = _("see 'hg help phases' for details") raise error.Abort(msg, hint=hint) newunstable = disallowednewunstable(repo, revs) if newunstable: raise error.Abort(_("cannot %s changeset with children") % action) def disallowednewunstable(repo, revs): """Checks whether editing the revs will create new unstable changesets and are we allowed to create them. To allow new unstable changesets, set the config: `experimental.evolution.allowunstable=True` """ allowunstable = obsolete.isenabled(repo, obsolete.allowunstableopt) if allowunstable: return revset.baseset() return repo.revs("(%ld::) - %ld", revs, revs)