aded new migration_proposal.rb client

use it instead of the update_proposal which has been designed
for offline upgrade and does some specific actions not desired in
online migration

src/clients/migration_proposal.rb

@@ -0,0 +1,127 @@
+# encoding: utf-8
+
+# ------------------------------------------------------------------------------
+# Copyright (c) 2015 SUSE LLC
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of version 2 of the GNU General Public License as published by the
+# Free Software Foundation.
+#
+# 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.
+#
+# ------------------------------------------------------------------------------
+#
+
+module Yast
+  # migration proposal client
+  class MigrationProposalClient < Client
+    include Yast::Logger
+
+    # run the proposal
+    # @return [Hash] the proposal result
+    def main
+      init
+
+      func = WFM.Args(0)
+      log.info "Proposal function: #{func}"
+      ret = handle_function(func)
+
+      log.info "Migration proposal result: #{ret.inspect}"
+      ret
+    end
+
+    private
+
+    # initialize the client
+    def init
+      Yast.import "Pkg"
+      Yast.import "HTML"
+      Yast.import "Packages"
+      Yast.import "SpaceCalculation"
+      Yast.import "Popup"
+      Yast.import "Update"
+
+      textdomain "migration"
+    end
+
+    # handle the requested proposal function
+    # @param [String] func the proposal function
+    # @return [Hash] the proposal result
+    def handle_function(func)
+      case func
+      when "MakeProposal"
+        propose
+      when "AskUser"
+        ask_user
+      when "Description"
+        description
+      else
+        log.error "Unknown function: #{func.inspect}"
+      end
+    end
+
+    # proposal help text
+    # @return [String] help text
+    def help
+      # TRANSLATORS: help text
+      _(
+        "<p>This is an overview of the product migration.</p>\n"
+      )
+    end
+
+    # the proposal description
+    # @return [Hash] proposal result
+    def description
+      {
+        # TRANSLATORS: a summary heading
+        "rich_text_title" => _("Migration Summary"),
+        # TRANSLATORS: a menu entry
+        "menu_title"      => _("&Migration Summary"),
+        "id"              => "migration_proposal"
+      }
+    end
+
+    # handle the user feedback
+    # @return [Hash] proposal result
+    def ask_user
+      # TRANSLATORS: popup message
+      Popup.Message(_("There is nothing to configure."))
+      # optimization: return :abort to avoid complete propsal re-evaluation
+      { "workflow_sequence" => :abort }
+    end
+
+    # propose migration - return migration summary
+    # @return [Hash] proposal result
+    def propose
+      # report dependency issues in the Packages proposal
+      Pkg.PkgSolve(true)
+      Update.solve_errors = Pkg.PkgSolveErrors
+
+      # recalculate the disk space usage data
+      SpaceCalculation.GetPartitionInfo
+
+      products = Pkg.ResolvableProperties("", :product, "")
+
+      ret = {
+        "preformatted_proposal" => product_summary(products),
+        "help"                  => help
+      }
+
+      ret.merge(Packages.product_update_warning(products))
+    end
+
+    # @param [Array<Hash>] products the current libzypp products
+    # @return [String] product summary text (RichText)
+    def product_summary(products)
+      summary_text = Packages.product_update_summary(products).map do |item|
+        "<li>#{item}</li>"
+      end
+
+      HTML.ListStart + summary_text.join + HTML.ListEnd
+    end
+  end
+end
+
+Yast::MigrationProposalClient.new.main

src/lib/migration/proposal_store.rb

@@ -28,7 +28,7 @@ class ProposalStore < Installation::ProposalStore
     include Yast::Logger
     include Yast::I18n
 
-    PROPOSAL_NAMES = ["update_proposal", "packages_proposal"]
+    PROPOSAL_NAMES = ["migration_proposal", "packages_proposal"]
     PROPOSAL_PROPERTIES = {
       "enable_skip" => "false"
     }

test/proposal_store_test.rb

@@ -37,14 +37,14 @@ module Yast
 
     describe ".proposal_names" do
       it "returns an update proposal" do
-        expect(subject.proposal_names).to eq ["update_proposal",
+        expect(subject.proposal_names).to eq ["migration_proposal",
                                               "packages_proposal"]
       end
     end
 
     describe ".presentation_order" do
       it "returns a presentation order" do
-        expect(subject.presentation_order).to eq ["update_proposal",
+        expect(subject.presentation_order).to eq ["migration_proposal",
                                                   "packages_proposal"]
       end
     end