view hgext3rd/topic/flow.py @ 5571:b2de5825e5ca

evolve: don't set evolved node as dirstate p2

Upstream rebase changed in 9c9cfecd4600 (rebase: don't use rebased
node as dirstate p2 (BC), 2020-01-10) so the dirstate parents are
always the commits that will be parents once the commit has been
created. Let's follow their lead so the experience is consistent.

The drawback is that users who use Evolve with older Mercurial
versions will not see in `hg log -G` output which commit is being
evolved.

from __future__ import absolute_import

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

from mercurial.i18n import _

from . import (
    compat,
)

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

def publishbarebranch(repo, tr):
    """Publish changeset without topic"""
    if b'node' not in tr.hookargs: # no new node
        return
    startnode = node.bin(tr.hookargs[b'node'])
    topublish = repo.revs(b'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 b'node' not in tr.hookargs: # no new revs
        return

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

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

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

def reject_publish(repo, tr):
    """prevent a transaction to be publish anything"""
    if util.safehasattr(tr.changes[b'phases'], 'items'):
        # hg <= 5.3 (fdc802f29b2c)
        published = {
            r for r, (o, n) in tr.changes[b'phases'].items()
            if n == phases.public
        }
    else:
        revranges = [
            r for r, (o, n) in tr.changes[b'phases']
            if n == phases.public
        ]
        published = {r for revrange in revranges for r in revrange}
    if published:
        r = min(published)
        msg = b"rejecting publishing of changeset %s" % repo[r]
        if len(published) > 1:
            msg += b' 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[r'opargs'] = opargs.copy()
        newargs[r'opargs'][b'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 = b'%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, b'push', wrappush)
    if not any(opt for opt in entry[1] if opt[1] == b'publish'):
        # hg <= 4.8 (9b8d1ad851f8)
        entry[1].append((b'', b'publish', False,
                         _(b'push the changeset as public')))
    extensions.wrapfunction(exchange.pushoperation, '__init__',
                            extendpushoperation)
    extensions.wrapfunction(exchange, '_pushdiscoveryphase', wrapphasediscovery)
    exchange.pushdiscoverymapping[b'phase'] = exchange._pushdiscoveryphase

def replacecheckpublish(orig, pushop):
    listkeys = exchange.listkeys
    repo = pushop.repo
    ui = repo.ui
    behavior = ui.config(b'experimental', b'auto-publish')
    if pushop.publish or behavior not in (b'warn', b'confirm', b'abort'):
        return

    # possible modes are:
    #
    # none -> nothing is published on push
    # all  -> everything is published on push
    # auto -> only changeset without topic are published on push
    #
    # Unknown mode is assumed "all" for safety.
    #
    # TODO: do a wider brain storming about mode names.

    mode = b'all'
    remotephases = listkeys(pushop.remote, b'phases')
    if not remotephases.get(b'publishing', False):
        mode = b'none'
        for c in pushop.remote.capabilities():
            if c.startswith(b'ext-topics-publish'):
                mode = c.split(b'=', 1)[1]
                break
    if mode == b'none':
        return

    if pushop.revs is None:
        published = repo.filtered(b'served').revs(b'not public()')
    else:
        published = repo.revs(b'::%ln - public()', pushop.revs)
    if mode == b'auto':
        published = repo.revs(b'%ld::(%ld - topic())', published, published)
    if published:
        if behavior == b'warn':
            ui.warn(
                _(b'%i changesets about to be published\n') % len(published)
            )
        elif behavior == b'confirm':
            if ui.promptchoice(
                _(b'push and publish %i changesets (yn)?$$ &Yes $$ &No')
                % len(published)
            ):
                raise error.Abort(_(b'user quit'))
        elif behavior == b'abort':
            msg = _(b'push would publish %i changesets') % len(published)
            hint = _(
                b"use --publish or adjust 'experimental.auto-publish'"
                b" config"
            )
            raise error.Abort(msg, hint=hint)