civix upgrade

info.xml

@@ -18,12 +18,19 @@
   <version>0.2</version>
   <develStage>alpha</develStage>
   <compatibility>
-    <ver>4.6</ver>
-    <ver>4.7</ver>
-    <ver>5.0</ver>
+    <ver>5.27</ver>
   </compatibility>
-  <comments></comments>
+  <comments/>
   <civix>
     <namespace>CRM/Splitgroup</namespace>
+    <format>23.02.1</format>
   </civix>
+  <mixins>
+    <mixin>menu-xml@1.0.0</mixin>
+    <mixin>smarty-v2@1.0.1</mixin>
+  </mixins>
+  <classloader>
+    <psr0 prefix="CRM_" path="."/>
+    <psr4 prefix="Civi\" path="Civi"/>
+  </classloader>
 </extension>

mixin/menu-xml@1.0.0.mixin.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Auto-register "xml/Menu/*.xml" files.
+ *
+ * @mixinName menu-xml
+ * @mixinVersion 1.0.0
+ *
+ * @param CRM_Extension_MixInfo $mixInfo
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ * @param \CRM_Extension_BootCache $bootCache
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ */
+return function ($mixInfo, $bootCache) {
+
+  /**
+   * @param \Civi\Core\Event\GenericHookEvent $e
+   * @see CRM_Utils_Hook::xmlMenu()
+   */
+  Civi::dispatcher()->addListener('hook_civicrm_xmlMenu', function ($e) use ($mixInfo) {
+    if (!$mixInfo->isActive()) {
+      return;
+    }
+
+    $files = (array) glob($mixInfo->getPath('xml/Menu/*.xml'));
+    foreach ($files as $file) {
+      $e->files[] = $file;
+    }
+  });
+
+};

mixin/polyfill.php

@@ -0,0 +1,101 @@
+<?php
+
+/**
+ * When deploying on systems that lack mixin support, fake it.
+ *
+ * @mixinFile polyfill.php
+ *
+ * This polyfill does some (persnickity) deduplication, but it doesn't allow upgrades or shipping replacements in core.
+ *
+ * Note: The polyfill.php is designed to be copied into extensions for interoperability. Consequently, this file is
+ * not used 'live' by `civicrm-core`. However, the file does need a canonical home, and it's convenient to keep it
+ * adjacent to the actual mixin files.
+ *
+ * @param string $longName
+ * @param string $shortName
+ * @param string $basePath
+ */
+return function ($longName, $shortName, $basePath) {
+  // Construct imitations of the mixin services. These cannot work as well (e.g. with respect to
+  // number of file-reads, deduping, upgrading)... but they should be OK for a few months while
+  // the mixin services become available.
+
+  // List of active mixins; deduped by version
+  $mixinVers = [];
+  foreach ((array) glob($basePath . '/mixin/*.mixin.php') as $f) {
+    [$name, $ver] = explode('@', substr(basename($f), 0, -10));
+    if (!isset($mixinVers[$name]) || version_compare($ver, $mixinVers[$name], '>')) {
+      $mixinVers[$name] = $ver;
+    }
+  }
+  $mixins = [];
+  foreach ($mixinVers as $name => $ver) {
+    $mixins[] = "$name@$ver";
+  }
+
+  // Imitate CRM_Extension_MixInfo.
+  $mixInfo = new class() {
+
+    /**
+     * @var string
+     */
+    public $longName;
+
+    /**
+     * @var string
+     */
+    public $shortName;
+
+    public $_basePath;
+
+    public function getPath($file = NULL) {
+      return $this->_basePath . ($file === NULL ? '' : (DIRECTORY_SEPARATOR . $file));
+    }
+
+    public function isActive() {
+      return \CRM_Extension_System::singleton()->getMapper()->isActiveModule($this->shortName);
+    }
+
+  };
+  $mixInfo->longName = $longName;
+  $mixInfo->shortName = $shortName;
+  $mixInfo->_basePath = $basePath;
+
+  // Imitate CRM_Extension_BootCache.
+  $bootCache = new class() {
+
+    public function define($name, $callback) {
+      $envId = \CRM_Core_Config_Runtime::getId();
+      $oldExtCachePath = \Civi::paths()->getPath("[civicrm.compile]/CachedExtLoader.{$envId}.php");
+      $stat = stat($oldExtCachePath);
+      $file = Civi::paths()->getPath('[civicrm.compile]/CachedMixin.' . md5($name . ($stat['mtime'] ?? 0)) . '.php');
+      if (file_exists($file)) {
+        return include $file;
+      }
+      else {
+        $data = $callback();
+        file_put_contents($file, '<' . "?php\nreturn " . var_export($data, 1) . ';');
+        return $data;
+      }
+    }
+
+  };
+
+  // Imitate CRM_Extension_MixinLoader::run()
+  // Parse all live mixins before trying to scan any classes.
+  global $_CIVIX_MIXIN_POLYFILL;
+  foreach ($mixins as $mixin) {
+    // If the exact same mixin is defined by multiple exts, just use the first one.
+    if (!isset($_CIVIX_MIXIN_POLYFILL[$mixin])) {
+      $_CIVIX_MIXIN_POLYFILL[$mixin] = include_once $basePath . '/mixin/' . $mixin . '.mixin.php';
+    }
+  }
+  foreach ($mixins as $mixin) {
+    // If there's trickery about installs/uninstalls/resets, then we may need to register a second time.
+    if (!isset(\Civi::$statics[$longName][$mixin])) {
+      \Civi::$statics[$longName][$mixin] = 1;
+      $func = $_CIVIX_MIXIN_POLYFILL[$mixin];
+      $func($mixInfo, $bootCache);
+    }
+  }
+};

mixin/smarty-v2@1.0.1.mixin.php

@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Auto-register "templates/" folder.
+ *
+ * @mixinName smarty-v2
+ * @mixinVersion 1.0.1
+ * @since 5.59
+ *
+ * @param CRM_Extension_MixInfo $mixInfo
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ * @param \CRM_Extension_BootCache $bootCache
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ */
+return function ($mixInfo, $bootCache) {
+  $dir = $mixInfo->getPath('templates');
+  if (!file_exists($dir)) {
+    return;
+  }
+
+  $register = function() use ($dir) {
+    // This implementation has a theoretical edge-case bug on older versions of CiviCRM where a template could
+    // be registered more than once.
+    CRM_Core_Smarty::singleton()->addTemplateDir($dir);
+  };
+
+  // Let's figure out what environment we're in -- so that we know the best way to call $register().
+
+  if (!empty($GLOBALS['_CIVIX_MIXIN_POLYFILL'])) {
+    // Polyfill Loader (v<=5.45): We're already in the middle of firing `hook_config`.
+    if ($mixInfo->isActive()) {
+      $register();
+    }
+    return;
+  }
+
+  if (CRM_Extension_System::singleton()->getManager()->extensionIsBeingInstalledOrEnabled($mixInfo->longName)) {
+    // New Install, Standard Loader: The extension has just been enabled, and we're now setting it up.
+    // System has already booted. New templates may be needed for upcoming installation steps.
+    $register();
+    return;
+  }
+
+  // Typical Pageview, Standard Loader: Defer the actual registration for a moment -- to ensure that Smarty is online.
+  \Civi::dispatcher()->addListener('hook_civicrm_config', function() use ($mixInfo, $register) {
+    if ($mixInfo->isActive()) {
+      $register();
+    }
+  });
+
+};