comparison mercurial/repoview.py @ 18245:aff706b3a21c

clfilter: add mutable filtering

It filters all mutable changesets, leaving only public changeset unfiltered.
This filtering set is expected to be much more stable that the previous one as
public changeset are unlikely to disapear.

The only official use of this filter is for branchcache.

18244:5a3c71b0e042

# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

import copy
import phases


def computehidden(repo):
    """compute the set of hidden revision to filter

    # fast path in simple case to avoid impact of non optimised code
    if phases.hassecret(repo) or repo.obsstore:
        return frozenset(repo.revs('hidden() + secret()'))
    return frozenset()

# function to compute filtered set
filtertable = {'hidden': computehidden,
               'unserved': computeunserved}
### Nearest subset relation
# Nearest subset of filter X is a filter Y so that:
# * Y is included in X,
# * X - Y is as small as possible.
# This create and ordering used for branchmap purpose.
# the ordering may be partial
subsettable = {None: 'hidden',
               'hidden': 'unserved'}

def filteredrevs(repo, filtername):
    """returns set of filtered revision for this filter name"""
    if filtername not in repo.filteredrevcache:
        func = filtertable[filtername]

18245:aff706b3a21c

# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

import copy
import phases
import util


def computehidden(repo):
    """compute the set of hidden revision to filter

    # fast path in simple case to avoid impact of non optimised code
    if phases.hassecret(repo) or repo.obsstore:
        return frozenset(repo.revs('hidden() + secret()'))
    return frozenset()

def computemutable(repo):
    """compute the set of revision that should be filtered when used a server

    Secret and hidden changeset should not pretend to be here."""
    assert not repo.changelog.filteredrevs
    # fast check to avoid revset call on huge repo
    if util.any(repo._phasecache.phaseroots[1:]):
        return frozenset(repo.revs('draft() + secret()'))
    return frozenset()

# function to compute filtered set
filtertable = {'hidden': computehidden,
               'unserved': computeunserved,
               'mutable':  computemutable}
### Nearest subset relation
# Nearest subset of filter X is a filter Y so that:
# * Y is included in X,
# * X - Y is as small as possible.
# This create and ordering used for branchmap purpose.
# the ordering may be partial
subsettable = {None: 'hidden',
               'hidden': 'unserved',
               'unserved': 'mutable'}

def filteredrevs(repo, filtername):
    """returns set of filtered revision for this filter name"""
    if filtername not in repo.filteredrevcache:
        func = filtertable[filtername]