/b-gtk/fix-viz

# Copyright (C) 2006 by Szilveszter Farkas (Phanatic)

#                       <szilveszter.farkas@gmail.com>

# Copyright (C) 2007 by Jelmer Vernooij <jelmer@samba.org>

#

# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from gi.repository import Gtk

from errors import show_bzr_error

from bzrlib import (

    errors,

    ui,

    )

from bzrlib.controldir import ControlDir

from bzrlib.push import PushResult

from bzrlib.transport import get_transport

from bzrlib.plugins.gtk.dialog import (

    question_dialog,

    )

from bzrlib.plugins.gtk.history import UrlHistory

from bzrlib.plugins.gtk.i18n import _i18n

from bzrlib.plugins.gtk.ui import ProgressPanel

class PushDialog(Gtk.Dialog):

    """New implementation of the Push dialog."""

    def __init__(self, repository=None, revid=None, branch=None, parent=None):

        """Initialize the Push dialog. """

        super(PushDialog, self).__init__(

            title="Push", parent=parent, flags=0, border_width=6,

            buttons=(Gtk.STOCK_CLOSE, Gtk.ResponseType.CLOSE))

        if repository is None:

            repository = branch.repository

        self.branch = branch

        # Unused arguments

        self.repository = repository

        if revid is None:

            revid = branch.last_revision()

        self.revid = revid

        # Create the widgets

        self._label_location = Gtk.Label(label=_i18n("Location:"))

        self._combo = Gtk.ComboBox.new_with_entry()

        self._button_push = Gtk.Button(_i18n("_Push"), use_underline=True)

        self._hbox_location = Gtk.Box(Gtk.Orientation.HORIZONTAL, 6)

        self._push_message = Gtk.Label(xalign=0)

        self._progress_widget = ProgressPanel()

        # Set callbacks

        ui.ui_factory.set_progress_bar_widget(self._progress_widget)

        self.connect('close', self._on_close_clicked)

        self._button_push.connect('clicked', self._on_push_clicked)

        # Set properties

        content_area = self.get_content_area()

        content_area.set_spacing(6)

        # Pack widgets

        self._hbox_location.pack_start(self._label_location, False, False, 0)

        self._hbox_location.pack_start(self._combo, False, False, 0)

        content_area.pack_start(self._hbox_location, True, True, 0)

        content_area.pack_start(self._progress_widget, True, True, 0)

        content_area.pack_start(self._push_message, True, True, 0)

        self.get_action_area().pack_end(self._button_push, True, True, 0)

        # Show the dialog

        content_area.show_all()

        self._progress_widget.hide()

        self._push_message.hide()

        # Build location history

        self._history = UrlHistory(self.branch.get_config(), 'push_history')

        self._build_history()

    def _build_history(self):

        """Build up the location history. """

        self._combo_model = Gtk.ListStore(str)

        for item in self._history.get_entries():

            self._combo_model.append([item])

        self._combo.set_model(self._combo_model)

        self._combo.set_entry_text_column(0)

        if self.branch is not None:

            location = self.branch.get_push_location()

            if location is not None:

                self._combo.get_child().set_text(location)

    def _on_close_clicked(self, widget):

        """Close dialog handler."""

        ui.ui_factory.set_progress_bar_widget(None)

    @show_bzr_error

    def _on_push_clicked(self, widget):

        """Push button clicked handler. """

        self._push_message.hide()

        self._progress_widget.tick()

        location = self._combo.get_child().get_text()

        try:

            message = do_push(self.branch, location, overwrite=False)

        except errors.DivergedBranches:

            response = question_dialog(

                _i18n('Branches have been diverged'),

                _i18n('You cannot push if branches have diverged.\n'

                      'Overwrite?'))

            if response == Gtk.ResponseType.YES:

                message = do_push(self.branch, location, overwrite=True)

            else:

                return

        self._history.add_entry(location)

        if (self.branch is not None

            and self.branch.get_push_location() is None):

            self.branch.set_push_location(location)

        if message:

            self._progress_widget.finished()

            self._push_message.props.label = message

            self._push_message.show()

def do_push(br_from, location, overwrite):

    """Update a mirror of a branch.

    :param br_from: the source branch

    :param location: the location of the branch that you'd like to update

    :param overwrite: overwrite target location if it diverged

    :return: number of revisions pushed

    """

    revision_id = None

    to_transport = get_transport(location)

    try:

        dir_to = ControlDir.open_from_transport(to_transport)

    except errors.NotBranchError:

        dir_to = None

    if dir_to is None:

        try:

            br_to = br_from.create_clone_on_transport(

                to_transport, revision_id=revision_id)

        except errors.NoSuchFile:

            response = question_dialog(

                _i18n('Non existing parent directory'),

                _i18n("The parent directory (%s)\ndoesn't exist. Create?") %

                    location)

            if response == Gtk.ResponseType.OK:

                br_to = br_from.create_clone_on_transport(

                    to_transport, revision_id=revision_id, create_prefix=True)

            else:

                return _i18n("Push aborted.")

        push_result = create_push_result(br_from, br_to)

    else:

        push_result = dir_to.push_branch(br_from, revision_id, overwrite)

    message = create_push_message(br_from, push_result)

    return message

def create_push_message(br_from, push_result):

    """Return a mesage explaining what happened during the push."""

    messages = []

    rev_count = br_from.revno() - push_result.old_revno

    messages.append(_i18n("%d revision(s) pushed.") % rev_count)

    if push_result.stacked_on is not None:

        messages.append(_i18n("Stacked on %s.") % push_result.stacked_on)

    if push_result.workingtree_updated is False:

        messages.append(_i18n(

            "\nThe working tree was not updated:"

            "\nSee 'bzr help working-trees' for more information."))

    return '\n'.join(messages)

def create_push_result(br_from, br_to):

    """Return a PushResult like one created by ControlDir.push_branch()."""

    push_result = PushResult()

    push_result.source_branch = br_from

    push_result.target_branch = br_to

    push_result.branch_push_result = None

    push_result.master_branch = None

    push_result.old_revno = 0

    push_result.old_revid = br_to.last_revision()

    push_result.workingtree_updated = None  # Not applicable to this case.

    try:

        push_result.stacked_on = br_to.get_stacked_on_url()

    except (errors.UnstackableBranchFormat,

            errors.UnstackableRepositoryFormat,

            errors.NotStacked):

        push_result.stacked_on = None

    return push_result