Import latest app updates from streamline

An updated set of source files and initialization was provided by streamline to
address issues observed during initial testing. These files have been updated in
order to generate a new set of app images.

docker/streamline-src/vendor/psy/psysh/src/Output/ProcOutputPager.php

@@ -1,105 +0,0 @@
-<?php
-
-/*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2023 Justin Hileman
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Psy\Output;
-
-use Symfony\Component\Console\Output\StreamOutput;
-
-/**
- * ProcOutputPager class.
- *
- * A ProcOutputPager instance wraps a regular StreamOutput's stream. Rather
- * than writing directly to the stream, it shells out to a pager process and
- * gives that process the stream as stdout. This means regular *nix commands
- * like `less` and `more` can be used to page large amounts of output.
- */
-class ProcOutputPager extends StreamOutput implements OutputPager
-{
-    private $proc;
-    private $pipe;
-    private $stream;
-    private $cmd;
-
-    /**
-     * Constructor.
-     *
-     * @param StreamOutput $output
-     * @param string       $cmd    Pager process command (default: 'less -R -F -X')
-     */
-    public function __construct(StreamOutput $output, string $cmd = 'less -R -F -X')
-    {
-        $this->stream = $output->getStream();
-        $this->cmd = $cmd;
-    }
-
-    /**
-     * Writes a message to the output.
-     *
-     * @param string $message A message to write to the output
-     * @param bool   $newline Whether to add a newline or not
-     *
-     * @throws \RuntimeException When unable to write output (should never happen)
-     */
-    public function doWrite($message, $newline): void
-    {
-        $pipe = $this->getPipe();
-        if (false === @\fwrite($pipe, $message.($newline ? \PHP_EOL : ''))) {
-            // @codeCoverageIgnoreStart
-            // should never happen
-            $this->close();
-            throw new \RuntimeException('Unable to write output');
-            // @codeCoverageIgnoreEnd
-        }
-
-        \fflush($pipe);
-    }
-
-    /**
-     * Close the current pager process.
-     */
-    public function close()
-    {
-        if (isset($this->pipe)) {
-            \fclose($this->pipe);
-        }
-
-        if (isset($this->proc)) {
-            $exit = \proc_close($this->proc);
-            if ($exit !== 0) {
-                throw new \RuntimeException('Error closing output stream');
-            }
-        }
-
-        $this->pipe = null;
-        $this->proc = null;
-    }
-
-    /**
-     * Get a pipe for paging output.
-     *
-     * If no active pager process exists, fork one and return its input pipe.
-     */
-    private function getPipe()
-    {
-        if (!isset($this->pipe) || !isset($this->proc)) {
-            $desc = [['pipe', 'r'], $this->stream, \fopen('php://stderr', 'w')];
-            $this->proc = \proc_open($this->cmd, $desc, $pipes);
-
-            if (!\is_resource($this->proc)) {
-                throw new \RuntimeException('Error opening output stream');
-            }
-
-            $this->pipe = $pipes[0];
-        }
-
-        return $this->pipe;
-    }
-}