Allow overriding of install repos Issue#1474

* Use agama.install_url=https://.. boot param

service/lib/agama/software/product_builder.rb

@@ -20,23 +20,28 @@
 # find current contact information at www.suse.com.
 
 require "agama/software/product"
+require "agama/cmdline_args"
+require "logger"
 
 module Agama
   module Software
     # Builds products from the information of a config file.
     class ProductBuilder
       # @param config [Agama::Config]
-      def initialize(config)
+      def initialize(config, logger: Logger.new($stdout))
         @config = config
+        @logger = logger
       end
 
       # Builds the products.
       #
       # @return [Array<Agama::Product>]
       def build
+        cmdline_args = CmdlineArgs.read_from("/proc/cmdline")
+        @logger.info cmdline_args
         config.products.map do |id, attrs|
           data = product_data_from_config(id)
-          create_product(id, data, attrs)
+          create_product(id, data, attrs, cmdline_args)
         end
       end
 
@@ -45,13 +50,19 @@ def build
       # @return [Agama::Config]
       attr_reader :config
 
-      def create_product(id, data, attrs)
+      def create_product(id, data, attrs, cmdline_args)
         Agama::Software::Product.new(id).tap do |product|
           product.display_name = attrs["name"]
           product.description = attrs["description"]
           product.name = data[:name]
           product.version = data[:version]
-          product.repositories = data[:repositories]
+          # Issue#1474 Use agama.install_url=https://path-to-repodata
+          if cmdline_args.data.has_key?("install_url")
+            @logger.info "Overriding default installation as args.install_url boot param is set to " + cmdline_args.data["install_url"]
+            product.repositories = [cmdline_args.data["install_url"],]
+          else
+            product.repositories = data[:repositories]
+          end
           product.labels = data[:labels]
           product.mandatory_packages = data[:mandatory_packages]
           product.optional_packages = data[:optional_packages]