comparison mercurial/upgrade.py @ 43031:e16ca9fde7aa

upgrade: detect the side-data format variants

Note that for now we cannot upgrade/downgrade to it.

Differential Revision: https://phab.mercurial-scm.org/D6887

43030:827cb4fe62a3

    upgrademessage = _('Revlog supports delta chain with more unused data '
                       'between payload. These gaps will be skipped at read '
                       'time. This allows for better delta chains, making a '
                       'better compression and faster exchange with server.')

@registerformatvariant
class removecldeltachain(formatvariant):
    name = 'plain-cl-delta'

43031:e16ca9fde7aa

    upgrademessage = _('Revlog supports delta chain with more unused data '
                       'between payload. These gaps will be skipped at read '
                       'time. This allows for better delta chains, making a '
                       'better compression and faster exchange with server.')

@registerformatvariant
class sidedata(requirementformatvariant):
    name = 'sidedata'

    _requirement = localrepo.SIDEDATA_REQUIREMENT

    default = False

    description = _('Allows storage of extra data alongside a revision, '
                    'unlocking various caching options.')

    upgrademessage = _('Allows storage of extra data alongside a revision.')

@registerformatvariant
class removecldeltachain(formatvariant):
    name = 'plain-cl-delta'