add more logging to debug (bnc#994127)

src/lib/installation/proposal_runner.rb

@@ -261,6 +261,7 @@ def handle_skip
 
     def pre_continue_handling
       @skip = if Yast::UI.WidgetExists(Id(:skip))
+        log.info "there is skip widget with value #{Yast::UI.QueryWidget(Id(:skip), :Value)}."
         Yast::UI.QueryWidget(Id(:skip), :Value)
       else
         true
@@ -510,6 +511,8 @@ def submod_write_settings(submodule)
     def write_settings
       success = true
 
+      log.info "Writting settings for proposal"
+
       @store.proposal_names do |submod|
         submod_success = submod_write_settings(submod)
         submod_success = true if submod_success.nil?

src/lib/installation/proposal_store.rb

@@ -100,11 +100,14 @@ def can_be_skipped?
       return @can_skip unless @can_skip.nil?
 
       @can_skip = if properties.key?("enable_skip")
+        log.info "properties skip available #{properties["enable_skip"].inspect}."
         properties["enable_skip"] == "yes"
       else
         !["initial", "uml"].include?(@proposal_mode)
       end
 
+      log.info "can skip set to #{@can_skip.inspect}."
+
       @can_skip
     end
 
@@ -390,11 +393,17 @@ def invalidate_description(client = nil)
     end
 
     def properties
-      @proposal_properties ||= Yast::ProductControl.getProposalProperties(
+      return @proposal_properties unless @proposal_properties.nil?
+
+      @proposal_properties = Yast::ProductControl.getProposalProperties(
         Yast::Stage.stage,
         Yast::Mode.mode,
         @proposal_mode
       )
+
+      log.info "Properties #{@proposal_properties.inspect}"
+
+      @proposal_properties
     end
 
     def make_proposal(client, force_reset: false, language_changed: false, callback: proc {})