quick and dirty cv core:download

src/Application.php

@@ -85,6 +85,7 @@ public function createCommands($context = 'default') {
       $commands[] = new \Civi\Cv\Command\ScriptCommand();
       $commands[] = new \Civi\Cv\Command\CoreCheckReqCommand();
       $commands[] = new \Civi\Cv\Command\CoreInstallCommand();
+      $commands[] = new \Civi\Cv\Command\CoreDownloadCommand();
       $commands[] = new \Civi\Cv\Command\CoreUninstallCommand();
     }
     return $commands;

src/Command/CoreDownloadCommand.php

@@ -0,0 +1,91 @@
+<?php
+namespace Civi\Cv\Command;
+
+// use Civi\Cv\Encoder;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+// use Symfony\Component\Console\Question\ChoiceQuestion;
+
+class CoreDownloadCommand extends BaseCommand {
+
+  use \Civi\Cv\Util\SetupCommandTrait;
+  use \Civi\Cv\Util\DebugDispatcherTrait;
+
+  protected function configure() {
+    $this
+      ->setName('core:download')
+      ->setDescription('Download a CiviCRM release')
+      ->addOption('cms', '', InputOption::VALUE_REQUIRED, 'Specify the CMS')
+      ->addOption('release', '', InputOption::VALUE_REQUIRED, 'Specify the release')
+      ->addOption('l10n', '', InputOption::VALUE_NONE, 'Download localization files')
+      ->setHelp('
+Dowload the Drupal release of CiviCRM
+
+$ cv core:download drupal
+');
+  }
+
+  protected function execute(InputInterface $input, OutputInterface $output) {
+
+    if(is_dir('civicrm')){
+      $output->writeln('<error>Refusing to download CiviCRM. civicrm directory already exists here</error>');
+      exit;
+    }
+
+
+    $this->cacheDir = "{$_SERVER['HOME']}/.cache/cv";
+
+    if(!($release = $input->getOption('release'))){
+      $release = $this->getLatestRelease();
+    }
+    $cms = $input->getOption('cms');
+
+    $ext = in_array($cms, ['wordpress', 'joomla']) ? 'zip' : 'tar.gz';
+
+    $tarName = "civicrm-{$release}-{$cms}.{$ext}";
+
+    if(!file_exists("{$this->cacheDir}/{$tarName}")){
+      $this->cacheTar($tarName, $output);
+    }
+    $output->writeln("<info>Extracting {$tarName}...</info>");
+    if($ext == 'zip'){
+      exec("unzip {$this->cacheDir}/{$tarName}");
+    }else{
+      exec("tar -xf {$this->cacheDir}/{$tarName}");
+    }
+
+    if($input->getOption('l10n')){
+      $l10nTarName = "civicrm-{$release}-l10n.tar.gz";
+      if(!file_exists("{$this->cacheDir}/{$l10nTarName}")){
+        $this->cacheTar($l10nTarName, $output);
+      }
+      $output->writeln("<info>Extracting {$l10nTarName}...</info>");
+      if ($cms == 'wordpress') {
+        exec("tar -xf {$this->cacheDir}/{$l10nTarName} -C civicrm");
+      } else {
+        exec("tar -xf {$this->cacheDir}/{$l10nTarName}");
+      }
+
+    }
+  }
+
+  protected function cacheTar($tarName, OutputInterface $output){
+
+    if(!is_dir($this->cacheDir)){
+      mkdir($this->cacheDir);
+    }
+    $output->writeln("<info>Dowloading {$tarName}...</info>");
+    file_put_contents("{$this->cacheDir}/{$tarName}", file_get_contents("https://download.civicrm.org/{$tarName}"));
+  }
+
+  protected function getLatestRelease(){
+    $latest = file_get_contents('https://latest.civicrm.org/stable.php');
+    if(!$latest){
+      Throw new \Exception('Error looking up latest release');
+    }
+    return $latest;
+  }
+
+}