mercurial/copies.py

45623:d31483377673

                % (util.timer() - start)
            )
    return cm


def _revinfogetter(repo):
    """return a function that return multiple data given a <rev>"i

    * p1: revision number of first parent
    * p2: revision number of first parent
    * p1copies: mapping of copies from p1

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

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

    cl = repo.changelog
    isancestor = cl.isancestorrev  # XXX we should had chaching to this.
    missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()])
    mrset = set(missingrevs)

    iterrevs = set(from_head)
    iterrevs &= mrset
    iterrevs.update(roots)
    iterrevs.remove(b.rev())
    revs = sorted(iterrevs)
    return _combinechangesetcopies(
        revs, children, b.rev(), revinfo, match, isancestor
    )


def _combinechangesetcopies(
    revs, children, targetrev, revinfo, match, isancestor
):
    """combine the copies information for each item of iterrevs

    revs: sorted iterable of revision to visit

45624:fb000408bca5

                % (util.timer() - start)
            )
    return cm


def _revinfo_getter(repo):
    """return a function that return multiple data given a <rev>"i

    * p1: revision number of first parent
    * p2: revision number of first parent
    * p1copies: mapping of copies from p1

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

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

    cl = repo.changelog
    isancestor = cl.isancestorrev  # XXX we should had chaching to this.
    missingrevs = cl.findmissingrevs(common=[a.rev()], heads=[b.rev()])
    mrset = set(missingrevs)

    iterrevs = set(from_head)
    iterrevs &= mrset
    iterrevs.update(roots)
    iterrevs.remove(b.rev())
    revs = sorted(iterrevs)
    return _combine_changeset_copies(
        revs, children, b.rev(), revinfo, match, isancestor
    )


def _combine_changeset_copies(
    revs, children, targetrev, revinfo, match, isancestor
):
    """combine the copies information for each item of iterrevs

    revs: sorted iterable of revision to visit