Add docu for new update event

docs/building-extensions/plugins/plugin-events/index.md

@@ -29,3 +29,6 @@ The event Group refers to the group of plugins which Joomla ensures are imported
 | [onContentBeforeChangeState](./content.md#oncontentbeforechangestate) | In Model, before a set of records changes state | Content      |  4.0  |
 | [onContentChangeState](./content.md#oncontentchangestate) | In Model, after a set of records changes state | Content          |  before 4.0  |
 | [onCategoryChangeState](./content.md#oncategorychangestate) | In Model, before a set of category records changes state | Content     |  before 4.0  |
+| [onInstallerBeforePackageDownload](./installer.md#oninstallerbeforepackagedownload) | In Installer, before a package is downloaded | Installer     |  before 4.0  |
+| [onInstallerBeforeUpdateSiteDownload](./installer.md#oninstallerbeforeupdatesitedownload) | In Installer, before an update site is downloaded | Installer     |  5.3  |
+

docs/building-extensions/plugins/plugin-events/installer.md

@@ -0,0 +1,65 @@
+---
+sidebar_position: 1
+title: Installer Events
+toc_max_heading_level: 2 
+---
+
+Installer Events
+==============
+
+Installer plugin events are triggered when some routines are performed during the install process of extensions or when their update sites are downloaded.
+
+## onInstallerBeforePackageDownload
+
+### Description
+
+This event will be executed before an installable package (zip file) of an extension (package, component, module, plugin, template, library) is downloaded. It allows plugins to modify the url or headers for the request. 
+
+
+### Event Arguments
+
+The event class \Joomla\CMS\Event\Installer\BeforePackageDownloadEvent has the following arguments:
+
+- **`url`** - The url of the package.
+
+- **`headers`** - The headers which are sent with the request.
+
+### Return Value
+
+None.
+
+### Examples
+
+```php
+public function onInstallerBeforePackageDownload(\Joomla\CMS\Event\Installer\BeforePackageDownloadEvent $event): void
+{
+    $event->updateUrl($event->getUrl() . '?auth=foo');
+}
+```
+
+## onInstallerBeforeUpdateSiteDownload
+
+### Description
+
+This event will be executed before an update site is downloaded. It allows to modify the url or headers for the request. 
+
+### Event Arguments
+
+The event class \Joomla\CMS\Event\Installer\BeforeUpdateSiteDownloadEvent has the following arguments:
+
+- **`url`** - The url of the update site.
+
+- **`headers`** - The headers which are sent with the request.
+
+### Return Value
+
+None.
+
+### Examples
+
+```php
+public function onInstallerBeforeUpdateSiteDownload(\Joomla\CMS\Event\Installer\BeforeUpdateSiteDownloadEvent $event): void
+{
+    $event->updateUrl($event->getUrl() . '?auth=foo');
+}
+```

migrations/52-53/new-features.md

@@ -51,3 +51,16 @@ $this->form
 // Code in the form layout
 echo $this->form->renderControlFields();
 ```
+
+#### New before download update site event
+A new event is available where an installer plugin can hook in before an update site url is fetched. Similar to what we have for package download of an extension.
+
+PR: https://github.com/joomla/joomla-cms/pull/44516
+
+The event can be used like:
+```php
+public function onInstallerBeforeUpdateSiteDownload(\Joomla\CMS\Event\Installer\BeforeUpdateSiteDownloadEvent $event): void
+{
+    $event->updateUrl($event->getUrl() . '?auth=foo');
+}
+```

versioned_docs/version-4.4/building-extensions/plugins/plugin-events/index.md

@@ -29,3 +29,4 @@ The event Group refers to the group of plugins which Joomla ensures are imported
 | [onContentBeforeChangeState](./content.md#oncontentbeforechangestate) | In Model, before a set of records changes state | Content      |  4.0  |
 | [onContentChangeState](./content.md#oncontentchangestate) | In Model, after a set of records changes state | Content          |  before 4.0  |
 | [onCategoryChangeState](./content.md#oncategorychangestate) | In Model, before a set of category records changes state | Content     |  before 4.0  |
+| [onInstallerBeforePackageDownload](./installer.md#oninstallerbeforepackagedownload) | In Installer, before a package is downloaded | Installer     |  before 4.0  |

versioned_docs/version-4.4/building-extensions/plugins/plugin-events/installer.md

@@ -0,0 +1,39 @@
+---
+sidebar_position: 1
+title: Installer Events
+toc_max_heading_level: 2 
+---
+
+Installer Events
+==============
+
+Installer plugin events are triggered when some routines are performed during the install process of extensions or when their update sites are downloaded.
+
+## onInstallerBeforePackageDownload
+
+### Description
+
+This event will be executed before an installable package (zip file) of an extension (package, component, module, plugin, template, library) is downloaded. It allows plugins to modify the url or headers for the request. 
+
+
+### Event Arguments
+
+The event class \Joomla\CMS\Event\Installer\BeforePackageDownloadEvent has the following arguments:
+
+- **`url`** - The url of the package.
+
+- **`headers`** - The headers which are sent with the request.
+
+### Return Value
+
+None.
+
+### Examples
+
+```php
+public function onInstallerBeforePackageDownload(\Joomla\CMS\Event\Installer\BeforePackageDownloadEvent $event): void
+{
+    $event->updateUrl($event->getUrl() . '?auth=foo');
+}
+```
+

versioned_docs/version-5.2/building-extensions/plugins/plugin-events/index.md

@@ -29,3 +29,4 @@ The event Group refers to the group of plugins which Joomla ensures are imported
 | [onContentBeforeChangeState](./content.md#oncontentbeforechangestate) | In Model, before a set of records changes state | Content      |  4.0  |
 | [onContentChangeState](./content.md#oncontentchangestate) | In Model, after a set of records changes state | Content          |  before 4.0  |
 | [onCategoryChangeState](./content.md#oncategorychangestate) | In Model, before a set of category records changes state | Content     |  before 4.0  |
+| [onInstallerBeforePackageDownload](./installer.md#oninstallerbeforepackagedownload) | In Installer, before a package is downloaded | Installer     |  before 4.0  |

versioned_docs/version-5.2/building-extensions/plugins/plugin-events/installer.md

@@ -0,0 +1,39 @@
+---
+sidebar_position: 1
+title: Installer Events
+toc_max_heading_level: 2 
+---
+
+Installer Events
+==============
+
+Installer plugin events are triggered when some routines are performed during the install process of extensions or when their update sites are downloaded.
+
+## onInstallerBeforePackageDownload
+
+### Description
+
+This event will be executed before an installable package (zip file) of an extension (package, component, module, plugin, template, library) is downloaded. It allows plugins to modify the url or headers for the request. 
+
+
+### Event Arguments
+
+The event class \Joomla\CMS\Event\Installer\BeforePackageDownloadEvent has the following arguments:
+
+- **`url`** - The url of the package.
+
+- **`headers`** - The headers which are sent with the request.
+
+### Return Value
+
+None.
+
+### Examples
+
+```php
+public function onInstallerBeforePackageDownload(\Joomla\CMS\Event\Installer\BeforePackageDownloadEvent $event): void
+{
+    $event->updateUrl($event->getUrl() . '?auth=foo');
+}
+```
+