comparison hgext3rd/topic/__init__.py @ 3157:f286eefbd20d

topic: add an option to enforce a single head per name in a repository

3156:31493a1b0e39

    topic-mode = warning # print a warning
    topic-mode = enforce # abort the commit (except for merge)
    topic-mode = enforce-all # abort the commit (even for merge)
    topic-mode = random # use a randomized generated topic (except for merge)
    topic-mode = random-all # use a randomized generated topic (even for merge)
"""

from __future__ import absolute_import

import functools

)

from . import (
    compat,
    constants,
    revset as topicrevset,
    destination,
    stack,
    topicmap,
    discovery,

    configitem = registrar.configitem(configtable)

    configitem('experimental', 'enforce-topic',
               default=False,
    )
    configitem('experimental', 'topic-mode',
               default=None,
    )
    configitem('_internal', 'keep-topic',
               default=False,

        def transaction(self, desc, *a, **k):
            ctr = self.currenttransaction()
            tr = super(topicrepo, self).transaction(desc, *a, **k)
            if desc in ('strip', 'repair') or ctr is not None:
                return tr

            # real transaction start
            ct = self.currenttopic
            if not ct:
                return tr

3157:f286eefbd20d

    topic-mode = warning # print a warning
    topic-mode = enforce # abort the commit (except for merge)
    topic-mode = enforce-all # abort the commit (even for merge)
    topic-mode = random # use a randomized generated topic (except for merge)
    topic-mode = random-all # use a randomized generated topic (even for merge)

Single head enforcing
=====================

The extensions come with an option to enforce that there is only one heads for
each name in the repository at any time.

    [experimental]
    enforce-single-head = yes
"""

from __future__ import absolute_import

import functools

)

from . import (
    compat,
    constants,
    flow,
    revset as topicrevset,
    destination,
    stack,
    topicmap,
    discovery,

    configitem = registrar.configitem(configtable)

    configitem('experimental', 'enforce-topic',
               default=False,
    )
    configitem('experimental', 'enforce-single-head',
               default=False,
    )
    configitem('experimental', 'topic-mode',
               default=None,
    )
    configitem('_internal', 'keep-topic',
               default=False,

        def transaction(self, desc, *a, **k):
            ctr = self.currenttransaction()
            tr = super(topicrepo, self).transaction(desc, *a, **k)
            if desc in ('strip', 'repair') or ctr is not None:
                return tr

            if repo.ui.configbool('experimental', 'enforce-single-head'):
                reporef = weakref.ref(self)
                origvalidator = tr.validator

                def validator(tr2):
                    repo = reporef()
                    flow.enforcesinglehead(repo, tr2)
                    origvalidator(tr2)
                tr.validator = validator

            # real transaction start
            ct = self.currenttopic
            if not ct:
                return tr