1 files changed, 8 insertions, 7 deletions

diff --git a/app/Controllers/updateController.php b/app/Controllers/updateController.php
index 82ccd20c9..742806ba3 100644
--- a/app/Controllers/updateController.php
+++ b/app/Controllers/updateController.php
@@ -4,14 +4,14 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 
 	const LASTUPDATEFILE = 'last_update.txt';
 
-	public static function isGit() {
+	public static function isGit(): bool {
 		return is_dir(FRESHRSS_PATH . '/.git/');
 	}
 
 	/**
 	 * Automatic change to the new name of edge branch since FreshRSS 1.18.0.
 	 */
-	public static function migrateToGitEdge() {
+	public static function migrateToGitEdge(): bool {
 		$errorMessage = 'Error during git checkout to edge branch. Please change branch manually!';
 
 		if (!is_writable(FRESHRSS_PATH . '/.git/config')) {
@@ -44,7 +44,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 		return true;
 	}
 
-	public static function hasGitUpdate() {
+	public static function hasGitUpdate(): bool {
 		$cwd = getcwd();
 		chdir(FRESHRSS_PATH);
 		$output = array();
@@ -66,6 +66,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 			strpos($line, '[behind') !== false || strpos($line, '[ahead') !== false || strpos($line, '[gone') !== false;
 	}
 
+	/** @return string|true */
 	public static function gitPull() {
 		$cwd = getcwd();
 		chdir(FRESHRSS_PATH);
@@ -109,7 +110,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 		}
 	}
 
-	public function indexAction() {
+	public function indexAction(): void {
 		FreshRSS_View::prependTitle(_t('admin.update.title') . ' · ');
 
 		if (file_exists(UPDATE_FILENAME)) {
@@ -135,7 +136,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 		}
 	}
 
-	public function checkAction() {
+	public function checkAction(): void {
 		$this->view->_path('update/index.phtml');
 
 		if (file_exists(UPDATE_FILENAME)) {
@@ -216,7 +217,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 		}
 	}
 
-	public function applyAction() {
+	public function applyAction(): void {
 		if (FreshRSS_Context::$system_conf->disable_update || !file_exists(UPDATE_FILENAME) || !touch(FRESHRSS_PATH . '/index.html')) {
 			Minz_Request::forward(array('c' => 'update'), true);
 		}
@@ -278,7 +279,7 @@ class FreshRSS_update_Controller extends FreshRSS_ActionController {
 	/**
 	 * This action displays information about installation.
 	 */
-	public function checkInstallAction() {
+	public function checkInstallAction(): void {
 		FreshRSS_View::prependTitle(_t('admin.check_install.title') . ' · ');
 
 		$this->view->status_php = check_install_php();