Add env:watch command. Stop env:start from running as runExternalCommand

Author: Gareth Midwood

cdev.services.xml

@@ -33,6 +33,10 @@
             class="Cdev\Docker\Environment\Command\Container\Drush">
         </service>
 
+        <service id="cdev.docker_watch_command"
+            class="Cdev\Docker\Environment\Command\WatchEnvCommand">
+        </service>
+
 
         <!-- Environments -->
 

src/Environment/Command/WatchEnvCommand.php

@@ -0,0 +1,34 @@
+<?php
+namespace Creode\Cdev\Command\Env;
+
+use Creode\Cdev\Command\Env\EnvCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class WatchEnvCommand extends EnvCommand
+{
+    protected function configure()
+    {
+        $this->setName('env:watch');
+        $this->setDescription('Watches the environment for log messages');
+
+        $this->addOption(
+            'path',
+            'p',
+            InputOption::VALUE_REQUIRED,
+            'Path to run commands on. Defaults to the directory the command is run from',
+            getcwd()
+        );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->_environment->input($input);
+
+        $output->writeln(
+            $this->_environment->watch()
+        );
+    }
+}

src/Environment/Docker.php

@@ -118,6 +118,15 @@ public function start()
         $this->_compose->up($path, $build);
     }
 
+    public function watch()
+    {
+        $this->logTitle('Watching dev environment logs...');
+
+        $path = $this->_input->getOption('path');
+
+        $this->_compose->logs($path);
+    }
+
     public function stop()
     {
         $this->logTitle('Stopping dev environment...');

src/Environment/System/Compose/Compose.php

@@ -56,11 +56,37 @@ public function up($path, $build = false)
             array_push($params, '--build');
         }
 
-        $this->runExternalCommand(self::COMMAND, $params, $path);
+        $this->run(self::COMMAND, $params, $path);
 
         return self::COMMAND . ' up completed';
     }
 
+    /**
+     * Watchs the logs for the environment
+     * @param string $path
+     * @return string
+     */
+    public function logs($path)
+    {
+        $this->requiresConfig();
+
+        $this->run(
+            self::COMMAND,
+            [
+                '-f',
+                Config::CONFIG_DIR . self::FILE,
+                '-p',
+                $this->_networkName,
+                'logs',
+                '-f', // --follow
+                '-t' // --timestamps
+            ],
+            $path
+        );
+
+        return self::COMMAND . ' logs running';
+    }
+
     /**
      * Stops environment
      * @param string $path