Added isatty() check to readconsole()

diff --git a/install-utils.inc b/install-utils.inc
index faabab6..6de9377 100644 (file)
--- a/install-utils.inc
+++ b/install-utils.inc
@@ -57,10 +57,18 @@ function copydirectory( $source, $dest ) {
 }
 
 function readconsole( $prompt = '' ) {
-       if ( function_exists( 'readline' ) ) {
+       if ( function_exists( 'posix_isatty' ) && posix_isatty( STDIN ) ) {
+               $isatty = true;
+       } else {
+               $isatty = false;
+       }
+
+       if ( $isatty && function_exists( 'readline' ) ) {
                return readline( $prompt );
        } else {
-               print $prompt;
+               if ( $isatty ) {
+                       print $prompt;
+               }
                $fp = fopen( 'php://stdin', 'r' );
                $st = fgets($fp, 1024);
                if ($st === false) return false;