Add option to install missing service dependencies

Author: dave-redfern

src/Commands/Services/StartCommand.php

@@ -38,6 +38,7 @@ protected function configure()
             ->setAliases(['start'])
             ->setDescription('Starts the specified service(s)')
             ->addArgument('service', InputArgument::REQUIRED|InputArgument::IS_ARRAY, 'The services to start, or "all"; see <info>services:list</info> for available services')
+            ->addOption('install', 'i', InputOption::VALUE_NONE, 'Install missing dependencies before starting them, if they are not installed')
             ->addOption('rebuild', 'b', InputOption::VALUE_NONE, 'Re-build the containers before starting')
             ->addOption('refresh', 'r', InputOption::VALUE_NONE, 'Refresh the containers before starting; pulls all new images')
             ->addOption('with-deps', 'd', InputOption::VALUE_NONE, 'Start all dependencies without prompting for confirmation')
@@ -73,6 +74,24 @@ private function startService(string $service): void
             return;
         }
 
+        if (!$service->isInstalled()) {
+            $install = $this->tools()->input()->getOption('install');
+
+            if (!$install) {
+                $install = $this->tools()->ask('service <info>%s</info> is not installed, would you like to install it? (y/n) ', false, $service->name());
+            }
+
+            if ($install) {
+                if (!$this->tools()->execute('spm services:install ' . $service->name(), $project->workingPath())) {
+                    $this->tools()->error('failed to install <info>%s</info>, re-run with -vvv to debug', $service->name());
+                    return;
+                }
+            } else {
+                $this->tools()->error('service <info>%s</info> is not installed and cannot be started', $service->name());
+                return;
+            }
+        }
+
         if (!$service->runningContainerId()) {
             $this->docker->resolve($service);
         }