add new setting to preselect system distribution to ease configuration

Signed-off-by: Michael Kaufmann <d00p@froxlor.org>

install/froxlor.sql.php

@@ -699,6 +699,7 @@ opcache.validate_timestamps'),
 	('system', 'froxlorusergroup', ''),
 	('system', 'froxlorusergroup_gid', ''),
 	('system', 'acmeshpath', '/root/.acme.sh/acme.sh'),
+	('system', 'distribution', ''),
 	('api', 'enabled', '0'),
 	('2fa', 'enabled', '1'),
 	('panel', 'decimal_places', '4'),

install/updates/froxlor/0.11/update_0.11.inc.php

@@ -126,6 +126,8 @@ if (Froxlor::isFroxlorVersion('0.10.99')) {
 	Update::showUpdateStep("Adding new settings");
 	$panel_settings_mode = isset($_POST['panel_settings_mode']) ? (int) $_POST['panel_settings_mode'] : 0;
 	Settings::AddNew("panel.settings_mode", $panel_settings_mode);
+	$system_distribution = isset($_POST['system_distribution']) ? $_POST['system_distribution'] : '';
+	Settings::AddNew("system.distribution", $system_distribution);
 	Update::lastStepStatus(0);
 
 	Update::showUpdateStep("Adjusting existing settings");

install/updates/preconfig/0.11/preconfig_0.11.inc.php

@@ -15,6 +15,10 @@
  *
  */
 
+use Froxlor\Froxlor;
+use Froxlor\FileDir;
+use Froxlor\Config\ConfigParser;
+
 /**
  * checks if the new-version has some updating to do
  *
@@ -29,7 +33,6 @@
  */
 function parseAndOutputPreconfig011(&$has_preconfig, &$return, $current_version, $current_db_version)
 {
-	global $lng;
 
 	if (versionInUpdate($current_version, '0.10.99')) {
 		$has_preconfig = true;
@@ -45,5 +48,28 @@ function parseAndOutputPreconfig011(&$has_preconfig, &$return, $current_version,
 			'selected' => 1,
 			'label' => $question
 		];
+
+		$description = 'The configuration page now can preselect a distribution, please select your current distribution';
+		$return['system_distribution_note'] = ['type' => 'infotext', 'value' => $description];
+		$question = '<strong>Select distribution</strong>';
+		$config_dir = FileDir::makeCorrectDir(Froxlor::getInstallDir() . '/lib/configfiles/');
+		// show list of available distro's
+		$distros = glob($config_dir . '*.xml');
+		$distributions_select[''] = '-';
+		// read in all the distros
+		foreach ($distros as $_distribution) {
+			// get configparser object
+			$dist = new ConfigParser($_distribution);
+			// store in tmp array
+			$distributions_select[str_replace(".xml", "", strtolower(basename($_distribution)))] = $dist->getCompleteDistroName();
+		}
+		// sort by distribution name
+		asort($distributions_select);
+		$return['system_distribution'] = [
+			'type' => 'select',
+			'select_var' => $distributions_select,
+			'selected' => '',
+			'label' => $question
+		];
 	}
 }