Log everything option in the System - Debug plugin

When enabled the updater log messages are written to logs/everything.php. This allows site administrators to see how long it takes fetching each update site's contents and which update sites cannot be loaded at all. Previously it was impossible to debug update issues as there was absolutely no feedback whatsoever.

administrator/language/en-GB/en-GB.plg_system_debug.ini

@@ -25,6 +25,8 @@ PLG_DEBUG_FIELD_LOG_CATEGORY_MODE_INCLUDE="Include"
 PLG_DEBUG_FIELD_LOG_CATEGORY_MODE_LABEL="Log Category Mode"
 PLG_DEBUG_FIELD_LOG_DEPRECATED_DESC="If enabled, API marked as deprecated will be logged. Only use this setting for short periods of time for refactoring purposes."
 PLG_DEBUG_FIELD_LOG_DEPRECATED_LABEL="Log deprecated API"
+PLG_DEBUG_FIELD_LOG_EVERYTHING_DESC="If enabled, all log messages produced by Joomla! will be logged except deprecated API and database queries. Only use this setting for short periods of time for site debugging purposes."
+PLG_DEBUG_FIELD_LOG_EVERYTHING_LABEL="Log everything"
 PLG_DEBUG_FIELD_LOG_PRIORITIES_ALERT="Alert"
 PLG_DEBUG_FIELD_LOG_PRIORITIES_ALL="All"
 PLG_DEBUG_FIELD_LOG_PRIORITIES_CRITICAL="Critical"

plugins/system/debug/debug.php

@@ -98,6 +98,12 @@ public function __construct(&$subject, $config)
 			JLog::addLogger(array('text_file' => 'deprecated.php'), JLog::ALL, array('deprecated'));
 		}
 
+		// Log everything (except deprecated APIs, these are logged separately with the option above).
+		if ($this->params->get('log-everything'))
+		{
+			JLog::addLogger(array('text_file' => 'everything.php'), JLog::ALL, array('deprecated', 'databasequery'), true);
+		}
+
 		// Get the application if not done by JPlugin. This may happen during upgrades from Joomla 2.5.
 		if (!$this->app)
 		{

plugins/system/debug/debug.xml

@@ -177,6 +177,16 @@
 					<option value="1">JYES</option>
 					<option value="0">JNO</option>
 				</field>
+
+				<field name="log-everything" type="radio"
+					class="btn-group btn-group-yesno"
+					default="0"
+					description="PLG_DEBUG_FIELD_LOG_EVERYTHING_DESC"
+					label="PLG_DEBUG_FIELD_LOG_EVERYTHING_LABEL"
+				>
+					<option value="1">JYES</option>
+					<option value="0">JNO</option>
+				</field>
 			</fieldset>
 		</fields>
 	</config>