lib/omnibus/packagers/msi.rb
def light_command(out_file, is_bundle: false)
      if is_bundle
        <<-EOH.split.join(" ").squeeze(" ").strip
        light.exe
          -nologo
          #{wix_light_delay_validation}
          -ext WixUIExtension
          -ext WixBalExtension
          #{wix_extension_switches(wix_light_extensions)}
          -cultures:#{localization}
          -loc "#{windows_safe_path(staging_dir, "localization-#{localization}.wxl")}"
          bundle.wixobj
          -out "#{out_file}"
        EOH
      else
        <<-EOH.split.join(" ").squeeze(" ").strip
          light.exe
            -nologo
            #{wix_light_delay_validation}
            -ext WixUIExtension
            #{wix_extension_switches(wix_light_extensions)}
            -cultures:#{localization}
            -loc "#{windows_safe_path(staging_dir, "localization-#{localization}.wxl")}"
            project-files.wixobj source.wixobj
            -out "#{out_file}"
        EOH
      end
    end
def light_command(out_file, is_bundle: false)
      if is_bundle
        <<-EOH.split.join(" ").squeeze(" ").strip
        light.exe
          -nologo
          #{wix_light_delay_validation}
          -ext WixUIExtension
          -ext WixBalExtension
          #{wix_extension_switches(wix_light_extensions)}
          -cultures:#{localization}
          -loc "#{windows_safe_path(staging_dir, "localization-#{localization}.wxl")}"
          bundle.wixobj
          -out "#{out_file}"
        EOH
      else
        <<-EOH.split.join(" ").squeeze(" ").strip
          light.exe
            -nologo
            #{wix_light_delay_validation}
            -ext WixUIExtension
            #{wix_extension_switches(wix_light_extensions)}
            -cultures:#{localization}
            -loc "#{windows_safe_path(staging_dir, "localization-#{localization}.wxl")}"
            project-files.wixobj source.wixobj
            -out "#{out_file}"
        EOH
      end
    end
Get the shell command to link the project WIX object files

 @return [String]