view hgext3rd/topic/flow.py @ 4743:92e3db149d7d

py3: call branchmap.items() on py3 and continue to call iteritems() on py2

Mercurial's source transformer also replaces the 'def iteritems(' in
branchmap by 'def items(', so we need to call whichever version is
there.

from __future__ import absolute_import

from mercurial import (
    commands,
    error,
    exchange,
    extensions,
    node,
    phases,
)

from mercurial.i18n import _

from . import (
    compat,
)

def enforcesinglehead(repo, tr):
    branchmap = repo.filtered('visible').branchmap()
    for name, heads in compat.branchmapitems(branchmap):
        if len(heads) > 1:
            hexs = [node.short(n) for n in heads]
            raise error.Abort(_('%d heads on "%s"') % (len(heads), name),
                              hint=(', '.join(hexs)))

def publishbarebranch(repo, tr):
    """Publish changeset without topic"""
    if 'node' not in tr.hookargs: # no new node
        return
    startnode = node.bin(tr.hookargs['node'])
    topublish = repo.revs('not public() and (%n:) - hidden() - topic()', startnode)
    if topublish:
        cl = repo.changelog
        nodes = [cl.node(r) for r in topublish]
        repo._phasecache.advanceboundary(repo, tr, phases.public, nodes)

def rejectuntopicedchangeset(repo, tr):
    """Reject the push if there are changeset without topic"""
    if 'node' not in tr.hookargs: # no new revs
        return

    startnode = node.bin(tr.hookargs['node'])

    mode = repo.ui.config('experimental', 'topic-mode.server', 'ignore')

    untopiced = repo.revs('not public() and (%n:) - hidden() - topic()', startnode)
    if untopiced:
        num = len(untopiced)
        fnode = repo[untopiced.first()].hex()[:10]
        if num == 1:
            msg = _("%s") % fnode
        else:
            msg = _("%s and %d more") % (fnode, num - 1)
        if mode == 'warning':
            fullmsg = _("pushed draft changeset without topic: %s\n")
            repo.ui.warn(fullmsg % msg)
        elif mode == 'enforce':
            fullmsg = _("rejecting draft changesets: %s")
            raise error.Abort(fullmsg % msg)
        else:
            repo.ui.warn(_("unknown 'topic-mode.server': %s\n" % mode))

def reject_publish(repo, tr):
    """prevent a transaction to be publish anything"""
    published = set()
    for r, (o, n) in tr.changes['phases'].items():
        if n == phases.public:
            published.add(r)
    if published:
        r = min(published)
        msg = "rejecting publishing of changeset %s" % repo[r]
        if len(published) > 1:
            msg += ' and %d others' % (len(published) - 1)
        raise error.Abort(msg)

def wrappush(orig, repo, remote, *args, **kwargs):
    """interpret the --publish flag and pass it to the push operation"""
    newargs = kwargs.copy()
    if kwargs.pop('publish', False):
        opargs = kwargs.get('opargs')
        if opargs is None:
            opargs = {}
        newargs['opargs'] = opargs.copy()
        newargs['opargs']['publish'] = True
    return orig(repo, remote, *args, **newargs)

def extendpushoperation(orig, self, *args, **kwargs):
    publish = kwargs.pop('publish', False)
    orig(self, *args, **kwargs)
    self.publish = publish

def wrapphasediscovery(orig, pushop):
    orig(pushop)
    if getattr(pushop, 'publish', False):
        if not pushop.remotephases.publishing:
            unfi = pushop.repo.unfiltered()
            droots = pushop.remotephases.draftroots
            revset = '%ln and (not public() or %ln::)'
            future = list(unfi.set(revset, pushop.futureheads, droots))
            pushop.outdatedphases = future

def installpushflag(ui):
    entry = extensions.wrapcommand(commands.table, 'push', wrappush)
    if not any(opt for opt in entry[1] if opt[1] == 'publish'): # hg <= 4.9
        entry[1].append(('', 'publish', False,
                         _('push the changeset as public')))
    extensions.wrapfunction(exchange.pushoperation, '__init__',
                            extendpushoperation)
    extensions.wrapfunction(exchange, '_pushdiscoveryphase', wrapphasediscovery)
    exchange.pushdiscoverymapping['phase'] = exchange._pushdiscoveryphase