fix: preserve env vars when running occ as file owner

Ensure environment variables are passed when command execution switches user via runuser, and make PyStringNode cast explicit in assertion messages for static-analysis compatibility.

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/NextcloudApiContext.php

@@ -531,12 +531,17 @@ public static function runCommand(string $command): array {
 		if ($owner === false) {
 			throw new \Exception('Could not retrieve owner information for UID ' . $fileOwnerUid);
 		}
-		$fullCommand = 'php ' . $console . ' ' . $command;
-		if (!empty(self::$environments)) {
-			$fullCommand = http_build_query(self::$environments, '', ' ') . ' ' . $fullCommand;
-		}
+		$baseCommand = 'php ' . $console . ' ' . $command;
+		$environmentPrefix = !empty(self::$environments)
+			? http_build_query(self::$environments, '', ' ')
+			: '';
+
 		if (posix_getuid() !== $owner['uid']) {
-			$fullCommand = 'runuser -u ' . $owner['name'] . ' -- ' . $fullCommand;
+			$fullCommand = 'runuser -u ' . $owner['name'] . ' -- '
+				. ($environmentPrefix !== '' ? 'env ' . $environmentPrefix . ' ' : '')
+				. $baseCommand;
+		} else {
+			$fullCommand = ($environmentPrefix !== '' ? $environmentPrefix . ' ' : '') . $baseCommand;
 		}
 		$fullCommand .= '  2>&1';
 		return self::runBashCommand($fullCommand);
@@ -586,7 +591,7 @@ private static function runBashCommand(string $command): array {
 
 	#[Given('the output of the last command should contain the following text:')]
 	public static function theOutputOfTheLastCommandContains(PyStringNode $text): void {
-		Assert::assertStringContainsString((string) $text, self::$commandOutput, 'The output of the last command does not contain: ' . $text);
+		Assert::assertStringContainsString((string) $text, self::$commandOutput, 'The output of the last command does not contain: ' . (string) $text);
 	}
 
 	#[Given('the output of the last command should be empty')]