comparison mercurial/copies.py @ 46113:59fa3890d40a

node: import symbols explicitly

There is no point in lazy importing mercurial.node, it is used all over
the place anyway. So consistently import the used symbols directly.
Fix one file using symbols indirectly via mercurial.revlog.

Differential Revision: https://phab.mercurial-scm.org/D9480

46112:d6afa9c149c3

import collections
import os

from .i18n import _


from . import (
    match as matchmod,
    node,
    pathutil,
    policy,
    pycompat,
    util,
)

    # case of computing what copies are in a commit versus its parent (like
    # during a rebase or histedit). Note, we exclude merge commits from this
    # optimization, since the ctx.files() for a merge commit is not correct for
    # this comparison.
    forwardmissingmatch = match
    if b.p1() == a and b.p2().node() == node.nullid:
        filesmatcher = matchmod.exact(b.files())
        forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher)
    missing = _computeforwardmissing(a, b, match=forwardmissingmatch)

    ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True)

            if flags(rev) & HASCOPIESINFO:
                raw = changelogrevision(rev)._sidedata.get(sidedatamod.SD_FILES)
            else:
                raw = None
            value = (p1, p2, raw)
            if p1 != node.nullrev and p2 != node.nullrev:
                # XXX some case we over cache, IGNORE
                merge_caches[rev] = value
            return value

    else:

                return e
            changes = None
            if flags(rev) & HASCOPIESINFO:
                changes = changelogrevision(rev).changes
            value = (p1, p2, changes)
            if p1 != node.nullrev and p2 != node.nullrev:
                # XXX some case we over cache, IGNORE
                merge_caches[rev] = value
            return value

    return revinfo

    return _is_ancestor


def _changesetforwardcopies(a, b, match):
    if a.rev() in (node.nullrev, b.rev()):
        return {}

    repo = a.repo().unfiltered()
    children = {}

    missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()])
    mrset = set(missingrevs)
    roots = set()
    for r in missingrevs:
        for p in cl.parentrevs(r):
            if p == node.nullrev:
                continue
            if p not in children:
                children[p] = [r]
            else:
                children[p].append(r)

                return False
            fctx = ctx[path]
            parents = fctx._filelog.parents(fctx._filenode)
            nb_parents = 0
            for n in parents:
                if n != node.nullid:
                    nb_parents += 1
            return nb_parents >= 2

        return ismerged

        copies = _backwardrenames(x, y, match=match)
    else:
        if debug:
            repo.ui.debug(b'debug.copies: search mode: combined\n')
        base = None
        if a.rev() != node.nullrev:
            base = x
        copies = _chain(
            _backwardrenames(x, a, match=match),
            _forwardcopies(a, y, base, match=match),
        )

46113:59fa3890d40a

import collections
import os

from .i18n import _
from .node import (
    nullid,
    nullrev,
)

from . import (
    match as matchmod,
    pathutil,
    policy,
    pycompat,
    util,
)

    # case of computing what copies are in a commit versus its parent (like
    # during a rebase or histedit). Note, we exclude merge commits from this
    # optimization, since the ctx.files() for a merge commit is not correct for
    # this comparison.
    forwardmissingmatch = match
    if b.p1() == a and b.p2().node() == nullid:
        filesmatcher = matchmod.exact(b.files())
        forwardmissingmatch = matchmod.intersectmatchers(match, filesmatcher)
    missing = _computeforwardmissing(a, b, match=forwardmissingmatch)

    ancestrycontext = a._repo.changelog.ancestors([b.rev()], inclusive=True)

            if flags(rev) & HASCOPIESINFO:
                raw = changelogrevision(rev)._sidedata.get(sidedatamod.SD_FILES)
            else:
                raw = None
            value = (p1, p2, raw)
            if p1 != nullrev and p2 != nullrev:
                # XXX some case we over cache, IGNORE
                merge_caches[rev] = value
            return value

    else:

                return e
            changes = None
            if flags(rev) & HASCOPIESINFO:
                changes = changelogrevision(rev).changes
            value = (p1, p2, changes)
            if p1 != nullrev and p2 != nullrev:
                # XXX some case we over cache, IGNORE
                merge_caches[rev] = value
            return value

    return revinfo

    return _is_ancestor


def _changesetforwardcopies(a, b, match):
    if a.rev() in (nullrev, b.rev()):
        return {}

    repo = a.repo().unfiltered()
    children = {}

    missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()])
    mrset = set(missingrevs)
    roots = set()
    for r in missingrevs:
        for p in cl.parentrevs(r):
            if p == nullrev:
                continue
            if p not in children:
                children[p] = [r]
            else:
                children[p].append(r)

                return False
            fctx = ctx[path]
            parents = fctx._filelog.parents(fctx._filenode)
            nb_parents = 0
            for n in parents:
                if n != nullid:
                    nb_parents += 1
            return nb_parents >= 2

        return ismerged

        copies = _backwardrenames(x, y, match=match)
    else:
        if debug:
            repo.ui.debug(b'debug.copies: search mode: combined\n')
        base = None
        if a.rev() != nullrev:
            base = x
        copies = _chain(
            _backwardrenames(x, a, match=match),
            _forwardcopies(a, y, base, match=match),
        )