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/symfony/process/Pipes/AbstractPipes.php

@@ -1,176 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Process\Pipes;
-
-use Symfony\Component\Process\Exception\InvalidArgumentException;
-
-/**
- * @author Romain Neutron <imprec@gmail.com>
- *
- * @internal
- */
-abstract class AbstractPipes implements PipesInterface
-{
-    public array $pipes = [];
-
-    private string $inputBuffer = '';
-    /** @var resource|string|\Iterator */
-    private $input;
-    private bool $blocked = true;
-    private ?string $lastError = null;
-
-    /**
-     * @param resource|string|\Iterator $input
-     */
-    public function __construct($input)
-    {
-        if (\is_resource($input) || $input instanceof \Iterator) {
-            $this->input = $input;
-        } else {
-            $this->inputBuffer = (string) $input;
-        }
-    }
-
-    public function close(): void
-    {
-        foreach ($this->pipes as $pipe) {
-            if (\is_resource($pipe)) {
-                fclose($pipe);
-            }
-        }
-        $this->pipes = [];
-    }
-
-    /**
-     * Returns true if a system call has been interrupted.
-     */
-    protected function hasSystemCallBeenInterrupted(): bool
-    {
-        $lastError = $this->lastError;
-        $this->lastError = null;
-
-        // stream_select returns false when the `select` system call is interrupted by an incoming signal
-        return null !== $lastError && false !== stripos($lastError, 'interrupted system call');
-    }
-
-    /**
-     * Unblocks streams.
-     */
-    protected function unblock(): void
-    {
-        if (!$this->blocked) {
-            return;
-        }
-
-        foreach ($this->pipes as $pipe) {
-            stream_set_blocking($pipe, 0);
-        }
-        if (\is_resource($this->input)) {
-            stream_set_blocking($this->input, 0);
-        }
-
-        $this->blocked = false;
-    }
-
-    /**
-     * Writes input to stdin.
-     *
-     * @throws InvalidArgumentException When an input iterator yields a non supported value
-     */
-    protected function write(): ?array
-    {
-        if (!isset($this->pipes[0])) {
-            return null;
-        }
-        $input = $this->input;
-
-        if ($input instanceof \Iterator) {
-            if (!$input->valid()) {
-                $input = null;
-            } elseif (\is_resource($input = $input->current())) {
-                stream_set_blocking($input, 0);
-            } elseif (!isset($this->inputBuffer[0])) {
-                if (!\is_string($input)) {
-                    if (!\is_scalar($input)) {
-                        throw new InvalidArgumentException(sprintf('"%s" yielded a value of type "%s", but only scalars and stream resources are supported.', get_debug_type($this->input), get_debug_type($input)));
-                    }
-                    $input = (string) $input;
-                }
-                $this->inputBuffer = $input;
-                $this->input->next();
-                $input = null;
-            } else {
-                $input = null;
-            }
-        }
-
-        $r = $e = [];
-        $w = [$this->pipes[0]];
-
-        // let's have a look if something changed in streams
-        if (false === @stream_select($r, $w, $e, 0, 0)) {
-            return null;
-        }
-
-        foreach ($w as $stdin) {
-            if (isset($this->inputBuffer[0])) {
-                $written = fwrite($stdin, $this->inputBuffer);
-                $this->inputBuffer = substr($this->inputBuffer, $written);
-                if (isset($this->inputBuffer[0])) {
-                    return [$this->pipes[0]];
-                }
-            }
-
-            if ($input) {
-                while (true) {
-                    $data = fread($input, self::CHUNK_SIZE);
-                    if (!isset($data[0])) {
-                        break;
-                    }
-                    $written = fwrite($stdin, $data);
-                    $data = substr($data, $written);
-                    if (isset($data[0])) {
-                        $this->inputBuffer = $data;
-
-                        return [$this->pipes[0]];
-                    }
-                }
-                if (feof($input)) {
-                    if ($this->input instanceof \Iterator) {
-                        $this->input->next();
-                    } else {
-                        $this->input = null;
-                    }
-                }
-            }
-        }
-
-        // no input to read on resource, buffer is empty
-        if (!isset($this->inputBuffer[0]) && !($this->input instanceof \Iterator ? $this->input->valid() : $this->input)) {
-            $this->input = null;
-            fclose($this->pipes[0]);
-            unset($this->pipes[0]);
-        } elseif (!$w) {
-            return [$this->pipes[0]];
-        }
-
-        return null;
-    }
-
-    /**
-     * @internal
-     */
-    public function handleError(int $type, string $msg): void
-    {
-        $this->lastError = $msg;
-    }
-}