comparison mercurial/cmdutil.py @ 18172:e6c5e0092469

cmdutil: make getgraphlogrevs limit-aware

For a repository with over 400,000 changesets, this speeds up graphlog with a
small limit by around 0.05 seconds (~50%).

18171:9d350f2d9458

    callable taking a revision number and returning a match objects
    filtering the files to be detailed when displaying the revision.
    """
    if not len(repo):
        return [], None, None
    # Default --rev value depends on --follow but --follow behaviour
    # depends on revisions resolved from --rev...
    follow = opts.get('follow') or opts.get('follow_first')
    possiblyunsorted = False # whether revs might need sorting
    if opts.get('rev'):

        revs.sort(reverse=True)
    if not opts.get('hidden'):
        # --hidden is still experimental and not worth a dedicated revset
        # yet. Fortunately, filtering revision number is fast.
        hiddenrevs = repo.hiddenrevs
        revs = [r for r in revs if r not in hiddenrevs]
    return revs, expr, filematcher

def displaygraph(ui, dag, displayer, showparents, edgefn, getrenamed=None,
                 filematcher=None):
    seen, state = [], graphmod.asciistate()

    displayer.close()

def graphlog(ui, repo, *pats, **opts):
    # Parameters are identical to log command ones
    revs, expr, filematcher = getgraphlogrevs(repo, pats, opts)
    limit = loglimit(opts)
    if limit is not None:
        revs = revs[:limit]
    revdag = graphmod.dagwalker(repo, revs)

    getrenamed = None
    if opts.get('copies'):
        endrev = None

18172:e6c5e0092469

    callable taking a revision number and returning a match objects
    filtering the files to be detailed when displaying the revision.
    """
    if not len(repo):
        return [], None, None
    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')
    possiblyunsorted = False # whether revs might need sorting
    if opts.get('rev'):

        revs.sort(reverse=True)
    if not opts.get('hidden'):
        # --hidden is still experimental and not worth a dedicated revset
        # yet. Fortunately, filtering revision number is fast.
        hiddenrevs = repo.hiddenrevs
        nrevs = []
        taken = 0
        if limit is not None:
            for i in xrange(len(revs)):
                if taken >= limit:
                    break
                r = revs[i]
                if r not in hiddenrevs:
                    nrevs.append(r)
                    taken += 1
            revs = nrevs
        else:
            revs = [r for r in revs if r not in hiddenrevs]
    elif limit is not None:
        revs = revs[:limit]

    return revs, expr, filematcher

def displaygraph(ui, dag, displayer, showparents, edgefn, getrenamed=None,
                 filematcher=None):
    seen, state = [], graphmod.asciistate()

    displayer.close()

def graphlog(ui, repo, *pats, **opts):
    # Parameters are identical to log command ones
    revs, expr, filematcher = getgraphlogrevs(repo, pats, opts)
    revdag = graphmod.dagwalker(repo, revs)

    getrenamed = None
    if opts.get('copies'):
        endrev = None