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# Copyright (C) 2018 Jelmer Vernooij <jelmer@jelmer.uk>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Propose command implementations."""
from io import StringIO
from ... import (
branch as _mod_branch,
controldir,
errors,
log as _mod_log,
missing as _mod_missing,
msgeditor,
urlutils,
)
from ...i18n import gettext
from ...commands import Command
from ...option import (
ListOption,
Option,
RegistryOption,
)
from ...trace import note, warning
from ... import (
propose as _mod_propose,
)
def branch_name(branch):
if branch.name:
return branch.name
return urlutils.basename(branch.user_url)
def _check_already_merged(branch, target):
# TODO(jelmer): Check entire ancestry rather than just last revision?
if branch.last_revision() == target.last_revision():
raise errors.CommandError(gettext(
'All local changes are already present in target.'))
class cmd_publish_derived(Command):
__doc__ = """Publish a derived branch.
Try to create a public copy of a local branch on a hosting site,
derived from the specified base branch.
Reasonable defaults are picked for owner name, branch name and project
name, but they can also be overridden from the command-line.
"""
takes_options = [
'directory',
Option('owner', help='Owner of the new remote branch.', type=str),
Option('project', help='Project name for the new remote branch.',
type=str),
Option('name', help='Name of the new remote branch.', type=str),
Option('no-allow-lossy',
help='Allow fallback to lossy push, if necessary.'),
Option('overwrite', help="Overwrite existing commits."),
]
takes_args = ['submit_branch?']
def run(self, submit_branch=None, owner=None, name=None, project=None,
no_allow_lossy=False, overwrite=False, directory='.'):
local_branch = _mod_branch.Branch.open_containing(directory)[0]
self.add_cleanup(local_branch.lock_write().unlock)
if submit_branch is None:
submit_branch = local_branch.get_submit_branch()
note(gettext('Using submit branch %s') % submit_branch)
if submit_branch is None:
submit_branch = local_branch.get_parent()
note(gettext('Using parent branch %s') % submit_branch)
submit_branch = _mod_branch.Branch.open(submit_branch)
_check_already_merged(local_branch, submit_branch)
if name is None:
name = branch_name(local_branch)
hoster = _mod_propose.get_hoster(submit_branch)
remote_branch, public_url = hoster.publish_derived(
local_branch, submit_branch, name=name, project=project,
owner=owner, allow_lossy=not no_allow_lossy,
overwrite=overwrite)
local_branch.set_push_location(remote_branch.user_url)
local_branch.set_public_branch(public_url)
local_branch.set_submit_branch(submit_branch.user_url)
note(gettext("Pushed to %s") % public_url)
def summarize_unmerged(local_branch, remote_branch, target,
prerequisite_branch=None):
"""Generate a text description of the unmerged revisions in branch.
:param branch: The proposed branch
:param target: Target branch
:param prerequisite_branch: Optional prerequisite branch
:return: A string
"""
log_format = _mod_log.log_formatter_registry.get_default(local_branch)
to_file = StringIO()
lf = log_format(to_file=to_file, show_ids=False, show_timezone='original')
if prerequisite_branch:
local_extra = _mod_missing.find_unmerged(
remote_branch, prerequisite_branch, restrict='local')[0]
else:
local_extra = _mod_missing.find_unmerged(
remote_branch, target, restrict='local')[0]
if remote_branch.supports_tags():
rev_tag_dict = remote_branch.tags.get_reverse_tag_dict()
else:
rev_tag_dict = {}
for revision in _mod_missing.iter_log_revisions(
local_extra, local_branch.repository, False, rev_tag_dict):
lf.log_revision(revision)
return to_file.getvalue()
class cmd_propose_merge(Command):
__doc__ = """Propose a branch for merging.
This command creates a merge proposal for the local
branch to the target branch. The format of the merge
proposal depends on the submit branch.
"""
takes_options = [
'directory',
RegistryOption(
'hoster',
help='Use the hoster.',
lazy_registry=('breezy.plugins.propose.propose', 'hosters')),
ListOption('reviewers', short_name='R', type=str,
help='Requested reviewers.'),
Option('name', help='Name of the new remote branch.', type=str),
Option('description', help='Description of the change.', type=str),
Option('prerequisite', help='Prerequisite branch.', type=str),
Option('wip', help='Mark merge request as work-in-progress'),
Option(
'commit-message',
help='Set commit message for merge, if supported', type=str),
ListOption('labels', short_name='l', type=str,
help='Labels to apply.'),
Option('no-allow-lossy',
help='Allow fallback to lossy push, if necessary.'),
Option('allow-collaboration',
help='Allow collaboration from target branch maintainer(s)'),
Option('allow-empty',
help='Do not prevent empty merge proposals.'),
]
takes_args = ['submit_branch?']
aliases = ['propose']
def run(self, submit_branch=None, directory='.', hoster=None,
reviewers=None, name=None, no_allow_lossy=False, description=None,
labels=None, prerequisite=None, commit_message=None, wip=False,
allow_collaboration=False, allow_empty=False):
tree, branch, relpath = (
controldir.ControlDir.open_containing_tree_or_branch(directory))
if submit_branch is None:
submit_branch = branch.get_submit_branch()
if submit_branch is None:
submit_branch = branch.get_parent()
if submit_branch is None:
raise errors.CommandError(
gettext("No target location specified or remembered"))
target = _mod_branch.Branch.open(submit_branch)
if not allow_empty:
_check_already_merged(branch, target)
if hoster is None:
hoster = _mod_propose.get_hoster(target)
else:
hoster = hoster.probe(target)
if name is None:
name = branch_name(branch)
remote_branch, public_branch_url = hoster.publish_derived(
branch, target, name=name, allow_lossy=not no_allow_lossy)
branch.set_push_location(remote_branch.user_url)
branch.set_submit_branch(target.user_url)
note(gettext('Published branch to %s') % public_branch_url)
if prerequisite is not None:
prerequisite_branch = _mod_branch.Branch.open(prerequisite)
else:
prerequisite_branch = None
proposal_builder = hoster.get_proposer(remote_branch, target)
if description is None:
body = proposal_builder.get_initial_body()
info = proposal_builder.get_infotext()
info += "\n\n" + summarize_unmerged(
branch, remote_branch, target, prerequisite_branch)
description = msgeditor.edit_commit_message(
info, start_message=body)
try:
proposal = proposal_builder.create_proposal(
description=description, reviewers=reviewers,
prerequisite_branch=prerequisite_branch, labels=labels,
commit_message=commit_message,
work_in_progress=wip, allow_collaboration=allow_collaboration)
except _mod_propose.MergeProposalExists as e:
note(gettext('There is already a branch merge proposal: %s'), e.url)
else:
note(gettext('Merge proposal created: %s') % proposal.url)
class cmd_find_merge_proposal(Command):
__doc__ = """Find a merge proposal.
"""
takes_options = ['directory']
takes_args = ['submit_branch?']
aliases = ['find-proposal']
def run(self, directory='.', submit_branch=None):
tree, branch, relpath = controldir.ControlDir.open_containing_tree_or_branch(
directory)
public_location = branch.get_public_branch()
if public_location:
branch = _mod_branch.Branch.open(public_location)
if submit_branch is None:
submit_branch = branch.get_submit_branch()
if submit_branch is None:
submit_branch = branch.get_parent()
if submit_branch is None:
raise errors.CommandError(
gettext("No target location specified or remembered"))
else:
target = _mod_branch.Branch.open(submit_branch)
hoster = _mod_propose.get_hoster(branch)
for mp in hoster.iter_proposals(branch, target):
self.outf.write(gettext('Merge proposal: %s\n') % mp.url)
class cmd_my_merge_proposals(Command):
__doc__ = """List all merge proposals owned by the logged-in user.
"""
hidden = True
takes_options = [
'verbose',
RegistryOption.from_kwargs(
'status',
title='Proposal Status',
help='Only include proposals with specified status.',
value_switches=True,
enum_switch=True,
all='All merge proposals',
open='Open merge proposals',
merged='Merged merge proposals',
closed='Closed merge proposals')]
def run(self, status='open', verbose=False):
for instance in _mod_propose.iter_hoster_instances():
try:
for mp in instance.iter_my_proposals(status=status):
self.outf.write('%s\n' % mp.url)
if verbose:
self.outf.write(
'(Merging %s into %s)\n' %
(mp.get_source_branch_url(),
mp.get_target_branch_url()))
description = mp.get_description()
if description:
self.outf.writelines(
['\t%s\n' % l
for l in description.splitlines()])
self.outf.write('\n')
except _mod_propose.HosterLoginRequired as e:
warning('Skipping %r, login required.', instance)
class cmd_land_merge_proposal(Command):
__doc__ = """Land a merge proposal."""
takes_args = ['url']
takes_options = [
Option('message', help='Commit message to use.', type=str)]
def run(self, url, message=None):
proposal = _mod_propose.get_proposal_by_url(url)
proposal.merge(commit_message=message)
class cmd_hosters(Command):
__doc__ = """List all known hosting sites and user details."""
hidden = True
def run(self):
for instance in _mod_propose.iter_hoster_instances():
current_user = instance.get_current_user()
if current_user is not None:
self.outf.write(
gettext('%s (%s) - user: %s (%s)\n') % (
instance.name, instance.base_url,
current_user, instance.get_user_url(current_user)))
else:
self.outf.write(
gettext('%s (%s) - not logged in\n') % (
instance.name, instance.base_url))
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