allow to specify upgrade.cli-upgrade-link in order to link to the correct documentation

Signed-off-by: Simon L <szaimen@e.mail.de>

config/config.sample.php

@@ -2154,6 +2154,11 @@ $CONFIG = [
  */
 'upgrade.disable-web' => false,
 
+/**
+ * Allows to modify the cli-upgrade link in order to link to a different documentation
+ */
+'upgrade.cli-upgrade-link' => '',
+
 /**
  * Set this Nextcloud instance to debugging mode
  *

core/ajax/update.php

@@ -103,7 +103,7 @@ class FeedBackHandler {
 if (\OCP\Util::needUpgrade()) {
 	$config = \OC::$server->getSystemConfig();
 	if ($config->getValue('upgrade.disable-web', false)) {
-		$eventSource->send('failure', $l->t('Please use the command line updater because updating via the browser is disabled in your config.php.'));
+		$eventSource->send('failure', $l->t('Please use the command line updater because updating via browser is disabled in your config.php.'));
 		$eventSource->close();
 		exit();
 	}

core/templates/update.use-cli.php

@@ -5,10 +5,14 @@
 			<?php if ($_['tooBig']) {
 				p($l->t('Please use the command line updater because you have a big instance with more than 50 users.'));
 			} else {
-				p($l->t('Please use the command line updater because automatic updating is disabled in the config.php.'));
+				p($l->t('Please use the command line updater because updating via browser is disabled in your config.php.'));
 			} ?><br><br>
-			<?php
-						print_unescaped($l->t('For help, see the  <a target="_blank" rel="noreferrer noopener" href="%s">documentation</a>.', [link_to_docs('admin-cli-upgrade')])); ?>
+			<?php if (is_string($_['cliUpgradeLink']) && $_['cliUpgradeLink'] !== '') {
+				$cliUpgradeLink = $_['cliUpgradeLink'];
+			} else {
+				$cliUpgradeLink = link_to_docs('admin-cli-upgrade');
+			}
+			print_unescaped($l->t('For help, see the  <a target="_blank" rel="noreferrer noopener" href="%s">documentation</a>.', [$cliUpgradeLink])); ?>
 		</div>
 	</div>
 

lib/base.php

@@ -312,6 +312,7 @@ class OC {
 	 * Prints the upgrade page
 	 */
 	private static function printUpgradePage(\OC\SystemConfig $systemConfig): void {
+		$cliUpgradeLink = $systemConfig->getValue('upgrade.cli-upgrade-link', '');
 		$disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false);
 		$tooBig = false;
 		if (!$disableWebUpdater) {
@@ -358,6 +359,7 @@ class OC {
 			$template->assign('productName', 'nextcloud'); // for now
 			$template->assign('version', OC_Util::getVersionString());
 			$template->assign('tooBig', $tooBig);
+			$template->assign('cliUpgradeLink', $cliUpgradeLink);
 
 			$template->printPage();
 			die();