comparison mercurial/localrepo.py @ 47263:6c84fc9c9a90

changelogv2: introduce a "changelogv2" feature

Right now, this means using revlogv2, but only for the changelog. We will have
the format more unique in future changesets.

Differential Revision: https://phab.mercurial-scm.org/D10660

47262:468e451fc0de

    hgvfs.createmode = store.createmode

    storevfs = store.vfs
    storevfs.options = resolvestorevfsoptions(ui, requirements, features)

    if requirementsmod.REVLOGV2_REQUIREMENT in requirements:
        features.add(repository.REPO_FEATURE_SIDE_DATA)
        # the revlogv2 docket introduced race condition that we need to fix
        features.discard(repository.REPO_FEATURE_STREAM_CLONE)

    # The cache vfs is used to manage cache files.

    if requirementsmod.REVLOGV1_REQUIREMENT in requirements:
        options[b'revlogv1'] = True
    if requirementsmod.REVLOGV2_REQUIREMENT in requirements:
        options[b'revlogv2'] = True

    if requirementsmod.GENERALDELTA_REQUIREMENT in requirements:
        options[b'generaldelta'] = True

    # experimental config: format.chunkcachesize

        requirementsmod.REVLOGV1_REQUIREMENT,
        requirementsmod.GENERALDELTA_REQUIREMENT,
        requirementsmod.TREEMANIFEST_REQUIREMENT,
        requirementsmod.COPIESSDC_REQUIREMENT,
        requirementsmod.REVLOGV2_REQUIREMENT,
        requirementsmod.SPARSEREVLOG_REQUIREMENT,
        requirementsmod.NODEMAP_REQUIREMENT,
        bookmarks.BOOKMARKS_IN_STORE_REQUIREMENT,
        requirementsmod.SHARESAFE_REQUIREMENT,
    }

        requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
        requirements.add(requirementsmod.COPIESSDC_REQUIREMENT)
    if ui.configbool(b'experimental', b'treemanifest'):
        requirements.add(requirementsmod.TREEMANIFEST_REQUIREMENT)

    revlogv2 = ui.config(b'experimental', b'revlogv2')
    if revlogv2 == b'enable-unstable-format-and-corrupt-my-data':
        requirements.discard(requirementsmod.REVLOGV1_REQUIREMENT)
        requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
    # experimental config: format.internal-phase

47263:6c84fc9c9a90

    hgvfs.createmode = store.createmode

    storevfs = store.vfs
    storevfs.options = resolvestorevfsoptions(ui, requirements, features)

    if (
        requirementsmod.REVLOGV2_REQUIREMENT in requirements
        or requirementsmod.CHANGELOGV2_REQUIREMENT in requirements
    ):
        features.add(repository.REPO_FEATURE_SIDE_DATA)
        # the revlogv2 docket introduced race condition that we need to fix
        features.discard(repository.REPO_FEATURE_STREAM_CLONE)

    # The cache vfs is used to manage cache files.

    if requirementsmod.REVLOGV1_REQUIREMENT in requirements:
        options[b'revlogv1'] = True
    if requirementsmod.REVLOGV2_REQUIREMENT in requirements:
        options[b'revlogv2'] = True
    if requirementsmod.CHANGELOGV2_REQUIREMENT in requirements:
        options[b'changelogv2'] = True

    if requirementsmod.GENERALDELTA_REQUIREMENT in requirements:
        options[b'generaldelta'] = True

    # experimental config: format.chunkcachesize

        requirementsmod.REVLOGV1_REQUIREMENT,
        requirementsmod.GENERALDELTA_REQUIREMENT,
        requirementsmod.TREEMANIFEST_REQUIREMENT,
        requirementsmod.COPIESSDC_REQUIREMENT,
        requirementsmod.REVLOGV2_REQUIREMENT,
        requirementsmod.CHANGELOGV2_REQUIREMENT,
        requirementsmod.SPARSEREVLOG_REQUIREMENT,
        requirementsmod.NODEMAP_REQUIREMENT,
        bookmarks.BOOKMARKS_IN_STORE_REQUIREMENT,
        requirementsmod.SHARESAFE_REQUIREMENT,
    }

        requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
        requirements.add(requirementsmod.COPIESSDC_REQUIREMENT)
    if ui.configbool(b'experimental', b'treemanifest'):
        requirements.add(requirementsmod.TREEMANIFEST_REQUIREMENT)

    changelogv2 = ui.config(b'format', b'exp-use-changelog-v2')
    if changelogv2 == b'enable-unstable-format-and-corrupt-my-data':
        requirements.add(requirementsmod.CHANGELOGV2_REQUIREMENT)

    revlogv2 = ui.config(b'experimental', b'revlogv2')
    if revlogv2 == b'enable-unstable-format-and-corrupt-my-data':
        requirements.discard(requirementsmod.REVLOGV1_REQUIREMENT)
        requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
    # experimental config: format.internal-phase