mercurial/upgrade.py
author Boris Feld <boris.feld@octobus.net>
Mon, 26 Nov 2018 00:15:12 +0100
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parent 39996 dbcb466d0065
child 40837 64051af15596
permissions -rw-r--r--
perf: rename `perfhelper-tracecopies` to `perfhelper-pathcopies` The command it supports is called `perfpathcopies`. It seems better to align the names.
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# upgrade.py - functions for in place upgrade of Mercurial repository
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#
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# Copyright (c) 2016-present, Gregory Szorc
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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from __future__ import absolute_import
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import stat
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from .i18n import _
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from . import (
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    changelog,
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    error,
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    filelog,
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    hg,
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    localrepo,
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    manifest,
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    pycompat,
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    revlog,
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    scmutil,
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    util,
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    vfs as vfsmod,
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)
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def requiredsourcerequirements(repo):
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    """Obtain requirements required to be present to upgrade a repo.
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    An upgrade will not be allowed if the repository doesn't have the
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    requirements returned by this function.
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    """
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    return {
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        # Introduced in Mercurial 0.9.2.
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        'revlogv1',
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        # Introduced in Mercurial 0.9.2.
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        'store',
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    }
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def blocksourcerequirements(repo):
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    """Obtain requirements that will prevent an upgrade from occurring.
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    An upgrade cannot be performed if the source repository contains a
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    requirements in the returned set.
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    """
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    return {
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        # The upgrade code does not yet support these experimental features.
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        # This is an artificial limitation.
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        'treemanifest',
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        # This was a precursor to generaldelta and was never enabled by default.
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        # It should (hopefully) not exist in the wild.
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        'parentdelta',
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        # Upgrade should operate on the actual store, not the shared link.
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        'shared',
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    }
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def supportremovedrequirements(repo):
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    """Obtain requirements that can be removed during an upgrade.
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    If an upgrade were to create a repository that dropped a requirement,
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    the dropped requirement must appear in the returned set for the upgrade
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    to be allowed.
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    """
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    return {
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        localrepo.SPARSEREVLOG_REQUIREMENT,
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    }
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def supporteddestrequirements(repo):
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    """Obtain requirements that upgrade supports in the destination.
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    If the result of the upgrade would create requirements not in this set,
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    the upgrade is disallowed.
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    Extensions should monkeypatch this to add their custom requirements.
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    """
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    return {
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        'dotencode',
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        'fncache',
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        'generaldelta',
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        'revlogv1',
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        'store',
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        localrepo.SPARSEREVLOG_REQUIREMENT,
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    }
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def allowednewrequirements(repo):
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    """Obtain requirements that can be added to a repository during upgrade.
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    This is used to disallow proposed requirements from being added when
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    they weren't present before.
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    We use a list of allowed requirement additions instead of a list of known
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    bad additions because the whitelist approach is safer and will prevent
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    future, unknown requirements from accidentally being added.
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    """
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    return {
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        'dotencode',
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        'fncache',
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        'generaldelta',
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        localrepo.SPARSEREVLOG_REQUIREMENT,
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    }
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def preservedrequirements(repo):
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    return set()
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deficiency = 'deficiency'
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optimisation = 'optimization'
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class improvement(object):
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    """Represents an improvement that can be made as part of an upgrade.
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    The following attributes are defined on each instance:
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    name
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       Machine-readable string uniquely identifying this improvement. It
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       will be mapped to an action later in the upgrade process.
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    type
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       Either ``deficiency`` or ``optimisation``. A deficiency is an obvious
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       problem. An optimization is an action (sometimes optional) that
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       can be taken to further improve the state of the repository.
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    description
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       Message intended for humans explaining the improvement in more detail,
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       including the implications of it. For ``deficiency`` types, should be
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       worded in the present tense. For ``optimisation`` types, should be
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       worded in the future tense.
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    upgrademessage
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       Message intended for humans explaining what an upgrade addressing this
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       issue will do. Should be worded in the future tense.
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    """
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    def __init__(self, name, type, description, upgrademessage):
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        self.name = name
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        self.type = type
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        self.description = description
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        self.upgrademessage = upgrademessage
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    def __eq__(self, other):
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        if not isinstance(other, improvement):
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            # This is what python tell use to do
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            return NotImplemented
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        return self.name == other.name
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    def __ne__(self, other):
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        return not self == other
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    def __hash__(self):
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        return hash(self.name)
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allformatvariant = []
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def registerformatvariant(cls):
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    allformatvariant.append(cls)
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    return cls
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class formatvariant(improvement):
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    """an improvement subclass dedicated to repository format"""
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    type = deficiency
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    ### The following attributes should be defined for each class:
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    # machine-readable string uniquely identifying this improvement. it will be
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    # mapped to an action later in the upgrade process.
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    name = None
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    # message intended for humans explaining the improvement in more detail,
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    # including the implications of it ``deficiency`` types, should be worded
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    # in the present tense.
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    description = None
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    # message intended for humans explaining what an upgrade addressing this
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    # issue will do. should be worded in the future tense.
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    upgrademessage = None
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    # value of current Mercurial default for new repository
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    default = None
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    def __init__(self):
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        raise NotImplementedError()
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    @staticmethod
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    def fromrepo(repo):
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        """current value of the variant in the repository"""
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        raise NotImplementedError()
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    @staticmethod
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    def fromconfig(repo):
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        """current value of the variant in the configuration"""
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        raise NotImplementedError()
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class requirementformatvariant(formatvariant):
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    """formatvariant based on a 'requirement' name.
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    Many format variant are controlled by a 'requirement'. We define a small
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    subclass to factor the code.
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    """
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    # the requirement that control this format variant
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    _requirement = None
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    @staticmethod
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    def _newreporequirements(ui):
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        return localrepo.newreporequirements(
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            ui, localrepo.defaultcreateopts(ui))
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    @classmethod
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    def fromrepo(cls, repo):
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        assert cls._requirement is not None
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        return cls._requirement in repo.requirements
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    @classmethod
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    def fromconfig(cls, repo):
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        assert cls._requirement is not None
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        return cls._requirement in cls._newreporequirements(repo.ui)
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@registerformatvariant
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class fncache(requirementformatvariant):
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    name = 'fncache'
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    _requirement = 'fncache'
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    default = True
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    description = _('long and reserved filenames may not work correctly; '
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                    'repository performance is sub-optimal')
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    upgrademessage = _('repository will be more resilient to storing '
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                       'certain paths and performance of certain '
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                       'operations should be improved')
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@registerformatvariant
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class dotencode(requirementformatvariant):
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    name = 'dotencode'
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    _requirement = 'dotencode'
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    default = True
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    description = _('storage of filenames beginning with a period or '
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                    'space may not work correctly')
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    upgrademessage = _('repository will be better able to store files '
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                       'beginning with a space or period')
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@registerformatvariant
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class generaldelta(requirementformatvariant):
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    name = 'generaldelta'
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    _requirement = 'generaldelta'
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    default = True
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    description = _('deltas within internal storage are unable to '
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                    'choose optimal revisions; repository is larger and '
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                    'slower than it could be; interaction with other '
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                    'repositories may require extra network and CPU '
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                    'resources, making "hg push" and "hg pull" slower')
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    upgrademessage = _('repository storage will be able to create '
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                       'optimal deltas; new repository data will be '
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                       'smaller and read times should decrease; '
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                       'interacting with other repositories using this '
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                       'storage model should require less network and '
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                       'CPU resources, making "hg push" and "hg pull" '
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                       'faster')
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@registerformatvariant
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class sparserevlog(requirementformatvariant):
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    name = 'sparserevlog'
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    _requirement = localrepo.SPARSEREVLOG_REQUIREMENT
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    default = False
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    description = _('in order to limit disk reading and memory usage on older '
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                    'version, the span of a delta chain from its root to its '
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                    'end is limited, whatever the relevant data in this span. '
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                    'This can severly limit Mercurial ability to build good '
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                    'chain of delta resulting is much more storage space being '
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                    'taken and limit reusability of on disk delta during '
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                    'exchange.'
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                   )
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    upgrademessage = _('Revlog supports delta chain with more unused data '
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                       'between payload. These gaps will be skipped at read '
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                       'time. This allows for better delta chains, making a '
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                       'better compression and faster exchange with server.')
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@registerformatvariant
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class removecldeltachain(formatvariant):
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    name = 'plain-cl-delta'
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    default = True
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    description = _('changelog storage is using deltas instead of '
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                    'raw entries; changelog reading and any '
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                    'operation relying on changelog data are slower '
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                    'than they could be')
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    upgrademessage = _('changelog storage will be reformated to '
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                       'store raw entries; changelog reading will be '
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                       'faster; changelog size may be reduced')
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    @staticmethod
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    def fromrepo(repo):
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        # Mercurial 4.0 changed changelogs to not use delta chains. Search for
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        # changelogs with deltas.
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        cl = repo.changelog
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        chainbase = cl.chainbase
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        return all(rev == chainbase(rev) for rev in cl)
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    @staticmethod
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    def fromconfig(repo):
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        return True
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@registerformatvariant
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class compressionengine(formatvariant):
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    name = 'compression'
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    default = 'zlib'
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    description = _('Compresion algorithm used to compress data. '
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                    'Some engine are faster than other')
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    upgrademessage = _('revlog content will be recompressed with the new '
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                       'algorithm.')
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    @classmethod
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    def fromrepo(cls, repo):
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        for req in repo.requirements:
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            if req.startswith('exp-compression-'):
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                return req.split('-', 2)[2]
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        return 'zlib'
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    @classmethod
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    def fromconfig(cls, repo):
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        return repo.ui.config('experimental', 'format.compression')
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def finddeficiencies(repo):
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    """returns a list of deficiencies that the repo suffer from"""
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    deficiencies = []
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    # We could detect lack of revlogv1 and store here, but they were added
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    # in 0.9.2 and we don't support upgrading repos without these
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    # requirements, so let's not bother.
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    for fv in allformatvariant:
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        if not fv.fromrepo(repo):
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            deficiencies.append(fv)
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    return deficiencies
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def findoptimizations(repo):
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    """Determine optimisation that could be used during upgrade"""
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    # These are unconditionally added. There is logic later that figures out
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    # which ones to apply.
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    optimizations = []
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    optimizations.append(improvement(
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        name='redeltaparent',
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        type=optimisation,
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        description=_('deltas within internal storage will be recalculated to '
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                      'choose an optimal base revision where this was not '
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                      'already done; the size of the repository may shrink and '
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                      'various operations may become faster; the first time '
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                      'this optimization is performed could slow down upgrade '
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   365
                      'execution considerably; subsequent invocations should '
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                      'not run noticeably slower'),
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        upgrademessage=_('deltas within internal storage will choose a new '
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                         'base revision if needed')))
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    optimizations.append(improvement(
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        name='redeltamultibase',
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        type=optimisation,
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        description=_('deltas within internal storage will be recalculated '
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                      'against multiple base revision and the smallest '
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                      'difference will be used; the size of the repository may '
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                      'shrink significantly when there are many merges; this '
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                      'optimization will slow down execution in proportion to '
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                      'the number of merges in the repository and the amount '
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                      'of files in the repository; this slow down should not '
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                      'be significant unless there are tens of thousands of '
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                      'files and thousands of merges'),
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   382
        upgrademessage=_('deltas within internal storage will choose an '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   383
                         'optimal delta by computing deltas against multiple '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   384
                         'parents; may slow down execution time '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   385
                         'significantly')))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   386
31896
127b41e975fd upgrade: split finding deficiencies from finding optimisations
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31895
diff changeset
   387
    optimizations.append(improvement(
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   388
        name='redeltaall',
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   389
        type=optimisation,
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   390
        description=_('deltas within internal storage will always be '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   391
                      'recalculated without reusing prior deltas; this will '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   392
                      'likely make execution run several times slower; this '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   393
                      'optimization is typically not needed'),
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   394
        upgrademessage=_('deltas within internal storage will be fully '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   395
                         'recomputed; this will likely drastically slow down '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   396
                         'execution time')))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   397
35345
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   398
    optimizations.append(improvement(
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   399
        name='redeltafulladd',
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   400
        type=optimisation,
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   401
        description=_('every revision will be re-added as if it was new '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   402
                      'content. It will go through the full storage '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   403
                      'mechanism giving extensions a chance to process it '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   404
                      '(eg. lfs). This is similar to "redeltaall" but even '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   405
                      'slower since more logic is involved.'),
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   406
        upgrademessage=_('each revision will be added as new content to the '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   407
                         'internal storage; this will likely drastically slow '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   408
                         'down execution time, but some extensions might need '
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   409
                         'it')))
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   410
31896
127b41e975fd upgrade: split finding deficiencies from finding optimisations
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31895
diff changeset
   411
    return optimizations
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   412
31900
0f0d7005b9ad upgrade: simplify 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31899
diff changeset
   413
def determineactions(repo, deficiencies, sourcereqs, destreqs):
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   414
    """Determine upgrade actions that will be performed.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   415
31896
127b41e975fd upgrade: split finding deficiencies from finding optimisations
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31895
diff changeset
   416
    Given a list of improvements as returned by ``finddeficiencies`` and
127b41e975fd upgrade: split finding deficiencies from finding optimisations
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31895
diff changeset
   417
    ``findoptimizations``, determine the list of upgrade actions that
127b41e975fd upgrade: split finding deficiencies from finding optimisations
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31895
diff changeset
   418
    will be performed.
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   419
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   420
    The role of this function is to filter improvements if needed, apply
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   421
    recommended optimizations from the improvements list that make sense,
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   422
    etc.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   423
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   424
    Returns a list of action names.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   425
    """
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   426
    newactions = []
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   427
31870
49011f1cedd4 upgrade: drop the prefix to the 'supporteddestrequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31869
diff changeset
   428
    knownreqs = supporteddestrequirements(repo)
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   429
31900
0f0d7005b9ad upgrade: simplify 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31899
diff changeset
   430
    for d in deficiencies:
0f0d7005b9ad upgrade: simplify 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31899
diff changeset
   431
        name = d.name
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   432
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   433
        # If the action is a requirement that doesn't show up in the
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   434
        # destination requirements, prune the action.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   435
        if name in knownreqs and name not in destreqs:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   436
            continue
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   437
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   438
        newactions.append(d)
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   439
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   440
    # FUTURE consider adding some optimizations here for certain transitions.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   441
    # e.g. adding generaldelta could schedule parent redeltas.
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   442
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   443
    return newactions
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   444
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   445
def _revlogfrompath(repo, path):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   446
    """Obtain a revlog from a repo path.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   447
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   448
    An instance of the appropriate class is returned.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   449
    """
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   450
    if path == '00changelog.i':
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   451
        return changelog.changelog(repo.svfs)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   452
    elif path.endswith('00manifest.i'):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   453
        mandir = path[:-len('00manifest.i')]
39243
0d97530eb535 manifest: rename dir argument and attribute to tree
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38736
diff changeset
   454
        return manifest.manifestrevlog(repo.svfs, tree=mandir)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   455
    else:
35344
8f3f8b8dbab7 upgrade: use actual filelog to convert filelog
Boris Feld <boris.feld@octobus.net>
parents: 35343
diff changeset
   456
        #reverse of "/".join(("data", path + ".i"))
8f3f8b8dbab7 upgrade: use actual filelog to convert filelog
Boris Feld <boris.feld@octobus.net>
parents: 35343
diff changeset
   457
        return filelog.filelog(repo.svfs, path[5:-2])
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   458
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38720
diff changeset
   459
def _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, deltabothparents):
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   460
    """Copy revlogs between 2 repos."""
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   461
    revcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   462
    srcsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   463
    srcrawsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   464
    dstsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   465
    fcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   466
    frevcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   467
    fsrcsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   468
    frawsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   469
    fdstsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   470
    mcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   471
    mrevcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   472
    msrcsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   473
    mrawsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   474
    mdstsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   475
    crevcount = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   476
    csrcsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   477
    crawsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   478
    cdstsize = 0
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   479
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   480
    # Perform a pass to collect metadata. This validates we can open all
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   481
    # source files and allows a unified progress bar to be displayed.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   482
    for unencoded, encoded, size in srcrepo.store.walk():
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   483
        if unencoded.endswith('.d'):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   484
            continue
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   485
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   486
        rl = _revlogfrompath(srcrepo, unencoded)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   487
39870
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   488
        info = rl.storageinfo(exclusivefiles=True, revisionscount=True,
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   489
                              trackedsize=True, storedsize=True)
39857
8dab7c8a93eb upgrade: report size of backing files, not internal storage size
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39546
diff changeset
   490
39870
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   491
        revcount += info['revisionscount'] or 0
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   492
        datasize = info['storedsize'] or 0
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   493
        rawsize = info['trackedsize'] or 0
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   494
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   495
        srcsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   496
        srcrawsize += rawsize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   497
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   498
        # This is for the separate progress bars.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   499
        if isinstance(rl, changelog.changelog):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   500
            crevcount += len(rl)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   501
            csrcsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   502
            crawsize += rawsize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   503
        elif isinstance(rl, manifest.manifestrevlog):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   504
            mcount += 1
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   505
            mrevcount += len(rl)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   506
            msrcsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   507
            mrawsize += rawsize
37444
c8666a9e9e11 upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36373
diff changeset
   508
        elif isinstance(rl, filelog.filelog):
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   509
            fcount += 1
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   510
            frevcount += len(rl)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   511
            fsrcsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   512
            frawsize += rawsize
37444
c8666a9e9e11 upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36373
diff changeset
   513
        else:
c8666a9e9e11 upgrade: sniff for filelog type
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36373
diff changeset
   514
            error.ProgrammingError('unknown revlog type')
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   515
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   516
    if not revcount:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   517
        return
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   518
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   519
    ui.write(_('migrating %d total revisions (%d in filelogs, %d in manifests, '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   520
               '%d in changelog)\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   521
             (revcount, frevcount, mrevcount, crevcount))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   522
    ui.write(_('migrating %s in store; %s tracked data\n') % (
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   523
             (util.bytecount(srcsize), util.bytecount(srcrawsize))))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   524
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   525
    # Used to keep track of progress.
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   526
    progress = None
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   527
    def oncopiedrevision(rl, rev, node):
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   528
        progress.increment()
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   529
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   530
    # Do the actual copying.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   531
    # FUTURE this operation can be farmed off to worker processes.
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   532
    seen = set()
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   533
    for unencoded, encoded, size in srcrepo.store.walk():
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   534
        if unencoded.endswith('.d'):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   535
            continue
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   536
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   537
        oldrl = _revlogfrompath(srcrepo, unencoded)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   538
        newrl = _revlogfrompath(dstrepo, unencoded)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   539
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   540
        if isinstance(oldrl, changelog.changelog) and 'c' not in seen:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   541
            ui.write(_('finished migrating %d manifest revisions across %d '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   542
                       'manifests; change in size: %s\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   543
                     (mrevcount, mcount, util.bytecount(mdstsize - msrcsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   544
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   545
            ui.write(_('migrating changelog containing %d revisions '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   546
                       '(%s in store; %s tracked data)\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   547
                     (crevcount, util.bytecount(csrcsize),
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   548
                      util.bytecount(crawsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   549
            seen.add('c')
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   550
            progress = srcrepo.ui.makeprogress(_('changelog revisions'),
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   551
                                               total=crevcount)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   552
        elif isinstance(oldrl, manifest.manifestrevlog) and 'm' not in seen:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   553
            ui.write(_('finished migrating %d filelog revisions across %d '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   554
                       'filelogs; change in size: %s\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   555
                     (frevcount, fcount, util.bytecount(fdstsize - fsrcsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   556
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   557
            ui.write(_('migrating %d manifests containing %d revisions '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   558
                       '(%s in store; %s tracked data)\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   559
                     (mcount, mrevcount, util.bytecount(msrcsize),
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   560
                      util.bytecount(mrawsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   561
            seen.add('m')
38398
f273b768b60f upgrade: close progress after each revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38165
diff changeset
   562
            if progress:
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   563
                progress.complete()
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   564
            progress = srcrepo.ui.makeprogress(_('manifest revisions'),
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   565
                                               total=mrevcount)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   566
        elif 'f' not in seen:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   567
            ui.write(_('migrating %d filelogs containing %d revisions '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   568
                       '(%s in store; %s tracked data)\n') %
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   569
                     (fcount, frevcount, util.bytecount(fsrcsize),
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   570
                      util.bytecount(frawsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   571
            seen.add('f')
38398
f273b768b60f upgrade: close progress after each revlog
Martin von Zweigbergk <martinvonz@google.com>
parents: 38165
diff changeset
   572
            if progress:
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   573
                progress.complete()
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   574
            progress = srcrepo.ui.makeprogress(_('file revisions'),
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   575
                                               total=frevcount)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   576
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   577
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   578
        ui.note(_('cloning %d revisions from %s\n') % (len(oldrl), unencoded))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   579
        oldrl.clone(tr, newrl, addrevisioncb=oncopiedrevision,
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   580
                    deltareuse=deltareuse,
38736
93777d16a25d aggressivemergedeltas: rename variable internally
Boris Feld <boris.feld@octobus.net>
parents: 38720
diff changeset
   581
                    deltabothparents=deltabothparents)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   582
39870
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   583
        info = newrl.storageinfo(storedsize=True)
b399ff55ee6d upgrade: use storageinfo() for obtaining storage metadata
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39859
diff changeset
   584
        datasize = info['storedsize'] or 0
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   585
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   586
        dstsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   587
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   588
        if isinstance(newrl, changelog.changelog):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   589
            cdstsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   590
        elif isinstance(newrl, manifest.manifestrevlog):
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   591
            mdstsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   592
        else:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   593
            fdstsize += datasize
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   594
38399
185588cb0c4b upgrade: use progress helper
Martin von Zweigbergk <martinvonz@google.com>
parents: 38398
diff changeset
   595
    progress.complete()
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   596
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   597
    ui.write(_('finished migrating %d changelog revisions; change in size: '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   598
               '%s\n') % (crevcount, util.bytecount(cdstsize - csrcsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   599
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   600
    ui.write(_('finished migrating %d total revisions; total change in store '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   601
               'size: %s\n') % (revcount, util.bytecount(dstsize - srcsize)))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   602
31873
d6c2005484b6 upgrade: drop the prefix to the '_filterstorefile' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31872
diff changeset
   603
def _filterstorefile(srcrepo, dstrepo, requirements, path, mode, st):
30780
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   604
    """Determine whether to copy a store file during upgrade.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   605
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   606
    This function is called when migrating store files from ``srcrepo`` to
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   607
    ``dstrepo`` as part of upgrading a repository.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   608
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   609
    Args:
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   610
      srcrepo: repo we are copying from
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   611
      dstrepo: repo we are copying to
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   612
      requirements: set of requirements for ``dstrepo``
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   613
      path: store file being examined
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   614
      mode: the ``ST_MODE`` file type of ``path``
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   615
      st: ``stat`` data structure for ``path``
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   616
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   617
    Function should return ``True`` if the file is to be copied.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   618
    """
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   619
    # Skip revlogs.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   620
    if path.endswith(('.i', '.d')):
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   621
        return False
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   622
    # Skip transaction related files.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   623
    if path.startswith('undo'):
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   624
        return False
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   625
    # Only copy regular files.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   626
    if mode != stat.S_IFREG:
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   627
        return False
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   628
    # Skip other skipped files.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   629
    if path in ('lock', 'fncache'):
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   630
        return False
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   631
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   632
    return True
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   633
31874
27ec6517e40e upgrade: drop the prefix to the '_finishdatamigration' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31873
diff changeset
   634
def _finishdatamigration(ui, srcrepo, dstrepo, requirements):
30780
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   635
    """Hook point for extensions to perform additional actions during upgrade.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   636
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   637
    This function is called after revlogs and store files have been copied but
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   638
    before the new store is swapped into the original location.
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   639
    """
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   640
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   641
def _upgraderepo(ui, srcrepo, dstrepo, requirements, actions):
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   642
    """Do the low-level work of upgrading a repository.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   643
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   644
    The upgrade is effectively performed as a copy between a source
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   645
    repository and a temporary destination repository.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   646
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   647
    The source repository is unmodified for as long as possible so the
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   648
    upgrade can abort at any time without causing loss of service for
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   649
    readers and without corrupting the source repository.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   650
    """
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   651
    assert srcrepo.currentwlock()
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   652
    assert dstrepo.currentwlock()
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   653
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   654
    ui.write(_('(it is safe to interrupt this process any time before '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   655
               'data migration completes)\n'))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   656
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   657
    if 'redeltaall' in actions:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   658
        deltareuse = revlog.revlog.DELTAREUSENEVER
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   659
    elif 'redeltaparent' in actions:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   660
        deltareuse = revlog.revlog.DELTAREUSESAMEREVS
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   661
    elif 'redeltamultibase' in actions:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   662
        deltareuse = revlog.revlog.DELTAREUSESAMEREVS
35598
29248ea26b29 upgraderepo: select correct deltareuse depending on actions
Paul Morelle <paul.morelle@octobus.net>
parents: 35379
diff changeset
   663
    elif 'redeltafulladd' in actions:
35345
6226668a7169 upgrade: add a 'redeltafullall' mode
Boris Feld <boris.feld@octobus.net>
parents: 35344
diff changeset
   664
        deltareuse = revlog.revlog.DELTAREUSEFULLADD
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   665
    else:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   666
        deltareuse = revlog.revlog.DELTAREUSEALWAYS
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   667
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   668
    with dstrepo.transaction('upgrade') as tr:
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   669
        _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse,
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   670
                     'redeltamultibase' in actions)
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   671
30780
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   672
    # Now copy other files in the store directory.
31797
0b913e1e725b repair: iterate store files deterministically
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30781
diff changeset
   673
    # The sorted() makes execution deterministic.
0b913e1e725b repair: iterate store files deterministically
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30781
diff changeset
   674
    for p, kind, st in sorted(srcrepo.store.vfs.readdir('', stat=True)):
31873
d6c2005484b6 upgrade: drop the prefix to the '_filterstorefile' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31872
diff changeset
   675
        if not _filterstorefile(srcrepo, dstrepo, requirements,
30780
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   676
                                       p, kind, st):
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   677
            continue
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   678
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   679
        srcrepo.ui.write(_('copying %s\n') % p)
31799
8110d49e0558 repair: use rawvfs when copying extra store files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31797
diff changeset
   680
        src = srcrepo.store.rawvfs.join(p)
8110d49e0558 repair: use rawvfs when copying extra store files
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31797
diff changeset
   681
        dst = dstrepo.store.rawvfs.join(p)
30780
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   682
        util.copyfile(src, dst, copystat=True)
2603d04889e1 repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30779
diff changeset
   683
31874
27ec6517e40e upgrade: drop the prefix to the '_finishdatamigration' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31873
diff changeset
   684
    _finishdatamigration(ui, srcrepo, dstrepo, requirements)
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   685
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   686
    ui.write(_('data fully migrated to temporary repository\n'))
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   687
38165
2ce60954b1b7 py3: wrap tempfile.mkdtemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents: 37444
diff changeset
   688
    backuppath = pycompat.mkdtemp(prefix='upgradebackup.', dir=srcrepo.path)
31232
254f98326eef vfs: use 'vfs' module directly in 'mercurial.repair'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 30975
diff changeset
   689
    backupvfs = vfsmod.vfs(backuppath)
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   690
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   691
    # Make a backup of requires file first, as it is the first to be modified.
31324
e712a9c35fd8 repair: directly use repo.vfs.join
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31232
diff changeset
   692
    util.copyfile(srcrepo.vfs.join('requires'), backupvfs.join('requires'))
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   693
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   694
    # We install an arbitrary requirement that clients must not support
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   695
    # as a mechanism to lock out new clients during the data swap. This is
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   696
    # better than allowing a client to continue while the repository is in
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   697
    # an inconsistent state.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   698
    ui.write(_('marking source repository as being upgraded; clients will be '
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   699
               'unable to read from repository\n'))
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   700
    scmutil.writerequires(srcrepo.vfs,
32291
bd872f64a8ba cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents: 32032
diff changeset
   701
                          srcrepo.requirements | {'upgradeinprogress'})
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   702
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   703
    ui.write(_('starting in-place swap of repository data\n'))
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   704
    ui.write(_('replaced files will be backed up at %s\n') %
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   705
             backuppath)
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   706
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   707
    # Now swap in the new store directory. Doing it as a rename should make
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   708
    # the operation nearly instantaneous and atomic (at least in well-behaved
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   709
    # environments).
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   710
    ui.write(_('replacing store...\n'))
30975
22fbca1d11ed mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents: 30781
diff changeset
   711
    tstart = util.timer()
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   712
    util.rename(srcrepo.spath, backupvfs.join('store'))
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   713
    util.rename(dstrepo.spath, srcrepo.spath)
30975
22fbca1d11ed mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents: 30781
diff changeset
   714
    elapsed = util.timer() - tstart
30779
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   715
    ui.write(_('store replacement complete; repository was inconsistent for '
38aa1ca97b6a repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30777
diff changeset
   716
               '%0.1fs\n') % elapsed)
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   717
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   718
    # We first write the requirements file. Any new requirements will lock
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   719
    # out legacy clients.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   720
    ui.write(_('finalizing requirements file and making repository readable '
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   721
               'again\n'))
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   722
    scmutil.writerequires(srcrepo.vfs, requirements)
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   723
30781
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   724
    # The lock file from the old store won't be removed because nothing has a
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   725
    # reference to its new location. So clean it up manually. Alternatively, we
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   726
    # could update srcrepo.svfs and other variables to point to the new
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   727
    # location. This is simpler.
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   728
    backupvfs.unlink('store/lock')
f2c069bf78ee repair: clean up stale lock file from store backup
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30780
diff changeset
   729
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   730
    return backuppath
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   731
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   732
def upgraderepo(ui, repo, run=False, optimize=None):
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   733
    """Upgrade a repository in place."""
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   734
    optimize = set(optimize or [])
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   735
    repo = repo.unfiltered()
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   736
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   737
    # Ensure the repository can be upgraded.
31865
5dcaa0f4455b upgrade: drop the prefix to the 'requiredsourcerequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31864
diff changeset
   738
    missingreqs = requiredsourcerequirements(repo) - repo.requirements
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   739
    if missingreqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   740
        raise error.Abort(_('cannot upgrade repository; requirement '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   741
                            'missing: %s') % _(', ').join(sorted(missingreqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   742
31866
1454726b6d7c upgrade: drop the prefix to the 'blocksourcerequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31865
diff changeset
   743
    blockedreqs = blocksourcerequirements(repo) & repo.requirements
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   744
    if blockedreqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   745
        raise error.Abort(_('cannot upgrade repository; unsupported source '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   746
                            'requirement: %s') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   747
                          _(', ').join(sorted(blockedreqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   748
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   749
    # FUTURE there is potentially a need to control the wanted requirements via
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   750
    # command arguments or via an extension hook point.
39996
dbcb466d0065 localrepo: define storage backend in creation options (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39870
diff changeset
   751
    newreqs = localrepo.newreporequirements(
dbcb466d0065 localrepo: define storage backend in creation options (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 39870
diff changeset
   752
        repo.ui, localrepo.defaultcreateopts(repo.ui))
35302
ad2b35ebf670 upgraderepo: allow extension to register preserved requirements
Boris Feld <boris.feld@octobus.net>
parents: 33438
diff changeset
   753
    newreqs.update(preservedrequirements(repo))
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   754
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   755
    noremovereqs = (repo.requirements - newreqs -
31867
cc60b6c36637 upgrade: drop the prefix to the 'supportremovedrequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31866
diff changeset
   756
                   supportremovedrequirements(repo))
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   757
    if noremovereqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   758
        raise error.Abort(_('cannot upgrade repository; requirement would be '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   759
                            'removed: %s') % _(', ').join(sorted(noremovereqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   760
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   761
    noaddreqs = (newreqs - repo.requirements -
31869
fe5e30b58934 upgrade: drop the prefix to the 'allowednewrequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31868
diff changeset
   762
                 allowednewrequirements(repo))
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   763
    if noaddreqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   764
        raise error.Abort(_('cannot upgrade repository; do not support adding '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   765
                            'requirement: %s') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   766
                          _(', ').join(sorted(noaddreqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   767
31870
49011f1cedd4 upgrade: drop the prefix to the 'supporteddestrequirements' function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31869
diff changeset
   768
    unsupportedreqs = newreqs - supporteddestrequirements(repo)
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   769
    if unsupportedreqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   770
        raise error.Abort(_('cannot upgrade repository; do not support '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   771
                            'destination requirement: %s') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   772
                          _(', ').join(sorted(unsupportedreqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   773
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   774
    # Find and validate all improvements that can be made.
31899
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   775
    alloptimizations = findoptimizations(repo)
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   776
31899
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   777
    # Apply and Validate arguments.
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   778
    optimizations = []
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   779
    for o in alloptimizations:
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   780
        if o.name in optimize:
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   781
            optimizations.append(o)
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   782
            optimize.discard(o.name)
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   783
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   784
    if optimize: # anything left is unknown
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   785
        raise error.Abort(_('unknown optimization action requested: %s') %
31899
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   786
                          ', '.join(sorted(optimize)),
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   787
                          hint=_('run without arguments to see valid '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   788
                                 'optimizations'))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   789
31897
d0067250542d upgrade: simplify optimisations validation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31896
diff changeset
   790
    deficiencies = finddeficiencies(repo)
31899
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   791
    actions = determineactions(repo, deficiencies, repo.requirements, newreqs)
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   792
    actions.extend(o for o in sorted(optimizations)
31899
cccd8e1538b0 upgrade: filter optimizations outside of 'determineactions'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31898
diff changeset
   793
                   # determineactions could have added optimisation
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   794
                   if o not in actions)
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   795
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   796
    def printrequirements():
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   797
        ui.write(_('requirements\n'))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   798
        ui.write(_('   preserved: %s\n') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   799
                 _(', ').join(sorted(newreqs & repo.requirements)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   800
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   801
        if repo.requirements - newreqs:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   802
            ui.write(_('   removed: %s\n') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   803
                     _(', ').join(sorted(repo.requirements - newreqs)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   804
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   805
        if newreqs - repo.requirements:
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   806
            ui.write(_('   added: %s\n') %
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   807
                     _(', ').join(sorted(newreqs - repo.requirements)))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   808
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   809
        ui.write('\n')
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   810
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   811
    def printupgradeactions():
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   812
        for a in actions:
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   813
            ui.write('%s\n   %s\n\n' % (a.name, a.upgrademessage))
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   814
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   815
    if not run:
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   816
        fromconfig = []
31904
3c77f03f16b3 upgrade: simplify the "origin" dispatch in dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31903
diff changeset
   817
        onlydefault = []
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   818
31901
9bdedb050d8d upgrade: simplify some of the initial dispatch for dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31900
diff changeset
   819
        for d in deficiencies:
32031
11a2461fc9b1 upgrade: move descriptions and selection logic in individual classes
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 32030
diff changeset
   820
            if d.fromconfig(repo):
31901
9bdedb050d8d upgrade: simplify some of the initial dispatch for dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31900
diff changeset
   821
                fromconfig.append(d)
32031
11a2461fc9b1 upgrade: move descriptions and selection logic in individual classes
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 32030
diff changeset
   822
            elif d.default:
31904
3c77f03f16b3 upgrade: simplify the "origin" dispatch in dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31903
diff changeset
   823
                onlydefault.append(d)
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   824
31904
3c77f03f16b3 upgrade: simplify the "origin" dispatch in dry run
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31903
diff changeset
   825
        if fromconfig or onlydefault:
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   826
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   827
            if fromconfig:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   828
                ui.write(_('repository lacks features recommended by '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   829
                           'current config options:\n\n'))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   830
                for i in fromconfig:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   831
                    ui.write('%s\n   %s\n\n' % (i.name, i.description))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   832
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   833
            if onlydefault:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   834
                ui.write(_('repository lacks features used by the default '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   835
                           'config options:\n\n'))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   836
                for i in onlydefault:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   837
                    ui.write('%s\n   %s\n\n' % (i.name, i.description))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   838
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   839
            ui.write('\n')
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   840
        else:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   841
            ui.write(_('(no feature deficiencies found in existing '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   842
                       'repository)\n'))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   843
30775
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   844
        ui.write(_('performing an upgrade with "--run" will make the following '
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   845
                   'changes:\n\n'))
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   846
513d68a90398 repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30707
diff changeset
   847
        printrequirements()
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   848
        printupgradeactions()
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   849
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   850
        unusedoptimize = [i for i in alloptimizations if i not in actions]
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   851
30776
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   852
        if unusedoptimize:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   853
            ui.write(_('additional optimizations are available by specifying '
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   854
                     '"--optimize <name>":\n\n'))
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   855
            for i in unusedoptimize:
3997edc4a86d repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30775
diff changeset
   856
                ui.write(_('%s\n   %s\n\n') % (i.name, i.description))
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   857
        return
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   858
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   859
    # Else we're in the run=true case.
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   860
    ui.write(_('upgrade will perform the following actions:\n\n'))
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   861
    printrequirements()
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   862
    printupgradeactions()
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   863
31903
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   864
    upgradeactions = [a.name for a in actions]
fa1088de2119 upgrade: use 'improvement' object for action too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 31902
diff changeset
   865
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   866
    ui.write(_('beginning upgrade...\n'))
33438
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   867
    with repo.wlock(), repo.lock():
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   868
        ui.write(_('repository locked and read-only\n'))
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   869
        # Our strategy for upgrading the repository is to create a new,
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   870
        # temporary repository, write data to it, then do a swap of the
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   871
        # data. There are less heavyweight ways to do this, but it is easier
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   872
        # to create a new repo object than to instantiate all the components
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   873
        # (like the store) separately.
38165
2ce60954b1b7 py3: wrap tempfile.mkdtemp() to use bytes path
Yuya Nishihara <yuya@tcha.org>
parents: 37444
diff changeset
   874
        tmppath = pycompat.mkdtemp(prefix='upgrade.', dir=repo.path)
33438
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   875
        backuppath = None
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   876
        try:
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   877
            ui.write(_('creating temporary repository to stage migrated '
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   878
                       'data: %s\n') % tmppath)
35342
75520786ad2f upgrade: use the repository 'ui' as the base for the new repository
Boris Feld <boris.feld@octobus.net>
parents: 35340
diff changeset
   879
35379
6c28956ba2d4 upgrade: simplify workaround for repo.ui.copy()
Yuya Nishihara <yuya@tcha.org>
parents: 35345
diff changeset
   880
            # clone ui without using ui.copy because repo.ui is protected
6c28956ba2d4 upgrade: simplify workaround for repo.ui.copy()
Yuya Nishihara <yuya@tcha.org>
parents: 35345
diff changeset
   881
            repoui = repo.ui.__class__(repo.ui)
6c28956ba2d4 upgrade: simplify workaround for repo.ui.copy()
Yuya Nishihara <yuya@tcha.org>
parents: 35345
diff changeset
   882
            dstrepo = hg.repository(repoui, path=tmppath, create=True)
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   883
33438
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   884
            with dstrepo.wlock(), dstrepo.lock():
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   885
                backuppath = _upgraderepo(ui, repo, dstrepo, newreqs,
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   886
                                          upgradeactions)
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   887
33438
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   888
        finally:
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   889
            ui.write(_('removing temporary repository %s\n') % tmppath)
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   890
            repo.vfs.rmtree(tmppath, forcibly=True)
30777
7de7afd8bdd9 repair: begin implementation of in-place upgrading
Gregory Szorc <gregory.szorc@gmail.com>
parents: 30776
diff changeset
   891
33438
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   892
            if backuppath:
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   893
                ui.warn(_('copy of old repository backed up at %s\n') %
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   894
                        backuppath)
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   895
                ui.warn(_('the old repository will not be deleted; remove '
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   896
                          'it to free up disk space once the upgraded '
8056481caa81 codemod: simplify nested withs
Jun Wu <quark@fb.com>
parents: 32291
diff changeset
   897
                          'repository is verified\n'))