comparison mercurial/dirstate.py @ 49355:0540c1628fd4

sparse: use None as the sparse matcher value when disabled

This create a clear signal for when the feature is unused. We could also create
an `alwaysmatcher`, but using None is more explicit, so I went for it.

49354:216f273b6b30

    node,
    pathutil,
    policy,
    pycompat,
    scmutil,
    sparse,
    util,
)

from .dirstateutils import (
    timestamp,

        self._use_tracked_hint = use_tracked_hint
        self._nodeconstants = nodeconstants
        self._opener = opener
        self._validate = validate
        self._root = root
        self._sparsematchfn = sparsematchfn
        # ntpath.join(root, '') of Python 2.7.9 does not add sep if root is
        # UNC path pointing to root share (issue4557)
        self._rootdir = pathutil.normasprefix(root)
        # True is any internal state may be different

        """The matcher for the sparse checkout.

        The working directory may not include every file from a manifest. The
        matcher obtained by this property will match a path if it is to be
        included in the working directory.
        """
        # TODO there is potential to cache this property. For now, the matcher
        # is resolved on every access. (But the called function does use a
        # cache to keep the lookup fast.)
        return self._sparsematchfn()

        elif self._checkcase:
            # Case-insensitive filesystems are not handled yet
            use_rust = False
        elif subrepos:
            use_rust = False
        elif sparse.enabled:
            use_rust = False
        elif not isinstance(match, allowed_matchers):
            # Some matchers have yet to be implemented
            use_rust = False

49355:0540c1628fd4

    node,
    pathutil,
    policy,
    pycompat,
    scmutil,
    util,
)

from .dirstateutils import (
    timestamp,

        self._use_tracked_hint = use_tracked_hint
        self._nodeconstants = nodeconstants
        self._opener = opener
        self._validate = validate
        self._root = root
        # Either build a sparse-matcher or None if sparse is disabled
        self._sparsematchfn = sparsematchfn
        # ntpath.join(root, '') of Python 2.7.9 does not add sep if root is
        # UNC path pointing to root share (issue4557)
        self._rootdir = pathutil.normasprefix(root)
        # True is any internal state may be different

        """The matcher for the sparse checkout.

        The working directory may not include every file from a manifest. The
        matcher obtained by this property will match a path if it is to be
        included in the working directory.

        When sparse if disabled, return None.
        """
        if self._sparsematchfn is None:
            return None
        # TODO there is potential to cache this property. For now, the matcher
        # is resolved on every access. (But the called function does use a
        # cache to keep the lookup fast.)
        return self._sparsematchfn()

        elif self._checkcase:
            # Case-insensitive filesystems are not handled yet
            use_rust = False
        elif subrepos:
            use_rust = False
        elif self._sparsematchfn is not None:
            use_rust = False
        elif not isinstance(match, allowed_matchers):
            # Some matchers have yet to be implemented
            use_rust = False