comparison mercurial/cmdutil.py @ 21127:69402eb72115

log: changed implementation to use graphlog code

Now that revsets work in a lazy way, log code can be changed to parse every
option into a revset and then evaluate it lazily.

Now expressions like

  "hg log -b default -b ."

are converted into a revset using the same code as graphlog.

21126:99b5eaf372a7

        limitedrevs = revset.baseset()
        for idx, rev in enumerate(revs):
            if idx >= limit:
                break
            limitedrevs.append(rev)
        revs = limitedrevs

    return revs, expr, filematcher

def displaygraph(ui, dag, displayer, showparents, edgefn, getrenamed=None,

21127:69402eb72115

        limitedrevs = revset.baseset()
        for idx, rev in enumerate(revs):
            if idx >= limit:
                break
            limitedrevs.append(rev)
        revs = limitedrevs

    return revs, expr, filematcher

def getlogrevs(repo, pats, opts):
    """Return (revs, expr, filematcher) where revs is an iterable of
    revision numbers, expr is a revset string built from log options
    and file patterns or None, and used to filter 'revs'. If --stat or
    --patch are not passed filematcher is None. Otherwise it is a
    callable taking a revision number and returning a match objects
    filtering the files to be detailed when displaying the revision.
    """
    limit = loglimit(opts)
    # Default --rev value depends on --follow but --follow behaviour
    # depends on revisions resolved from --rev...
    follow = opts.get('follow') or opts.get('follow_first')
    if opts.get('rev'):
        revs = scmutil.revrange(repo, opts['rev'])
    elif follow:
        revs = revset.baseset(repo.revs('reverse(:.)'))
    else:
        revs = revset.spanset(repo)
        revs.reverse()
    if not revs:
        return revset.baseset([]), None, None
    expr, filematcher = _makelogrevset(repo, pats, opts, revs)
    if expr:
        # Revset matchers often operate faster on revisions in changelog
        # order, because most filters deal with the changelog.
        if not opts.get('rev'):
            revs.reverse()
        matcher = revset.match(repo.ui, expr)
        # Revset matches can reorder revisions. "A or B" typically returns
        # returns the revision matching A then the revision matching B. Sort
        # again to fix that.
        revs = matcher(repo, revs)
        if not opts.get('rev'):
            revs.sort(reverse=True)
    if limit is not None:
        count = 0
        limitedrevs = revset.baseset([])
        it = iter(revs)
        while count < limit:
            try:
                limitedrevs.append(it.next())
            except (StopIteration):
                break
            count += 1
        revs = limitedrevs

    return revs, expr, filematcher

def displaygraph(ui, dag, displayer, showparents, edgefn, getrenamed=None,