Added mock build. Part 5

classes/runner.rb

@@ -1,7 +1,8 @@
 require "open3"
+require "logger"
 
 class Runner
-  attr_reader :cmd, :exit_status, :stdout, :stderr, :pid
+  attr_reader :cmd, :exit_status, :stdout, :stderr, :pid, :log
 
   # Run a command, return runner instance
   # @param cmd [String,Array<String>] command to execute
@@ -26,11 +27,12 @@ class Runner
   Error = Class.new(StandardError)
 
   # @param cmd [String,Array<String>] command to execute
-  def initialize(cmd)
+  def initialize(cmd, log = nil)
     @cmd = cmd.is_a?(Array) ? cmd.join(" ") : cmd
     @stdout = +""
     @stderr = +""
     @exit_status = nil
+    @log = log
   end
 
   # @return [Boolean] success or failure?
@@ -58,10 +60,54 @@ class Runner
 
           if stream == stdout
             @stdout << data
-            $stdout.write(data)
+            if log.nil?
+              $stdout.write(data)
+            else
+              log.info(data)
+            end
           else
             @stderr << data
-            $stderr.write(data)
+            if log.nil?
+              $stderr.write(data)
+            else
+              log.error(data)
+            end
+          end
+        end
+      end
+      @exit_status = wait_thr.value.exitstatus
+      @pid = wait_thr.pid
+    end
+
+    self
+  end
+
+  # Run the command no output, return self
+  # @return [Runner]
+  def run_clean
+    Open3.popen3(cmd) do |stdin, stdout, stderr, wait_thr|
+      until [stdout, stderr].all?(&:eof?)
+        readable = IO.select([stdout, stderr])
+        next unless readable&.first
+
+        readable.first.each do |stream|
+          data = +""
+          # rubocop:disable Lint/HandleExceptions
+          begin
+            stream.read_nonblock(1024, data)
+          rescue EOFError
+            # ignore, it's expected for read_nonblock to raise EOFError
+            # when all is read
+          end
+
+          if stream == stdout
+            unless log.nil?
+              log.info(data)
+            end
+          else
+            unless log.nil?
+              log.error(data)
+            end
           end
         end
       end