Build modified streamline images

The official image from streamline does not currently work for the arm64
platform. As a temporary measure, the source code and docker build scripts
have been lifted from the official images and are used to build locally.

Some additional modifications are made to reduce overall image size, these
are documented in docker/README.md

docker/streamline-src/vendor/sebastian/lines-of-code/src/Counter.php

@@ -0,0 +1,90 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+use function assert;
+use function file_get_contents;
+use function substr_count;
+use PhpParser\Error;
+use PhpParser\Node;
+use PhpParser\NodeTraverser;
+use PhpParser\ParserFactory;
+
+final class Counter
+{
+    /**
+     * @throws RuntimeException
+     */
+    public function countInSourceFile(string $sourceFile): LinesOfCode
+    {
+        return $this->countInSourceString(file_get_contents($sourceFile));
+    }
+
+    /**
+     * @throws RuntimeException
+     */
+    public function countInSourceString(string $source): LinesOfCode
+    {
+        $linesOfCode = substr_count($source, "\n");
+
+        if ($linesOfCode === 0 && !empty($source)) {
+            $linesOfCode = 1;
+        }
+
+        assert($linesOfCode >= 0);
+
+        try {
+            $nodes = (new ParserFactory)->createForHostVersion()->parse($source);
+
+            assert($nodes !== null);
+
+            return $this->countInAbstractSyntaxTree($linesOfCode, $nodes);
+
+            // @codeCoverageIgnoreStart
+        } catch (Error $error) {
+            throw new RuntimeException(
+                $error->getMessage(),
+                $error->getCode(),
+                $error,
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param non-negative-int $linesOfCode
+     *
+     * @param Node[] $nodes
+     *
+     * @throws RuntimeException
+     */
+    public function countInAbstractSyntaxTree(int $linesOfCode, array $nodes): LinesOfCode
+    {
+        $traverser = new NodeTraverser;
+        $visitor   = new LineCountingVisitor($linesOfCode);
+
+        $traverser->addVisitor($visitor);
+
+        try {
+            /* @noinspection UnusedFunctionResultInspection */
+            $traverser->traverse($nodes);
+            // @codeCoverageIgnoreStart
+        } catch (Error $error) {
+            throw new RuntimeException(
+                $error->getMessage(),
+                $error->getCode(),
+                $error,
+            );
+        }
+        // @codeCoverageIgnoreEnd
+
+        return $visitor->result();
+    }
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/Exception/Exception.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+use Throwable;
+
+interface Exception extends Throwable
+{
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/Exception/IllogicalValuesException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+use LogicException;
+
+final class IllogicalValuesException extends LogicException implements Exception
+{
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/Exception/NegativeValueException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+use InvalidArgumentException;
+
+final class NegativeValueException extends InvalidArgumentException implements Exception
+{
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/Exception/RuntimeException.php

@@ -0,0 +1,14 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+final class RuntimeException extends \RuntimeException implements Exception
+{
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/LineCountingVisitor.php

@@ -0,0 +1,93 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+use function array_merge;
+use function array_unique;
+use function assert;
+use function count;
+use PhpParser\Comment;
+use PhpParser\Node;
+use PhpParser\Node\Expr;
+use PhpParser\NodeVisitorAbstract;
+
+final class LineCountingVisitor extends NodeVisitorAbstract
+{
+    /**
+     * @psalm-var non-negative-int
+     */
+    private readonly int $linesOfCode;
+
+    /**
+     * @var Comment[]
+     */
+    private array $comments = [];
+
+    /**
+     * @var int[]
+     */
+    private array $linesWithStatements = [];
+
+    /**
+     * @psalm-param non-negative-int $linesOfCode
+     */
+    public function __construct(int $linesOfCode)
+    {
+        $this->linesOfCode = $linesOfCode;
+    }
+
+    public function enterNode(Node $node): void
+    {
+        $this->comments = array_merge($this->comments, $node->getComments());
+
+        if (!$node instanceof Expr) {
+            return;
+        }
+
+        $this->linesWithStatements[] = $node->getStartLine();
+    }
+
+    public function result(): LinesOfCode
+    {
+        $commentLinesOfCode = 0;
+
+        foreach ($this->comments() as $comment) {
+            $commentLinesOfCode += ($comment->getEndLine() - $comment->getStartLine() + 1);
+        }
+
+        $nonCommentLinesOfCode = $this->linesOfCode - $commentLinesOfCode;
+        $logicalLinesOfCode    = count(array_unique($this->linesWithStatements));
+
+        assert($commentLinesOfCode >= 0);
+        assert($nonCommentLinesOfCode >= 0);
+        assert($logicalLinesOfCode >= 0);
+
+        return new LinesOfCode(
+            $this->linesOfCode,
+            $commentLinesOfCode,
+            $nonCommentLinesOfCode,
+            $logicalLinesOfCode,
+        );
+    }
+
+    /**
+     * @return Comment[]
+     */
+    private function comments(): array
+    {
+        $comments = [];
+
+        foreach ($this->comments as $comment) {
+            $comments[$comment->getStartLine() . '_' . $comment->getStartTokenPos() . '_' . $comment->getEndLine() . '_' . $comment->getEndTokenPos()] = $comment;
+        }
+
+        return $comments;
+    }
+}

docker/streamline-src/vendor/sebastian/lines-of-code/src/LinesOfCode.php

@@ -0,0 +1,119 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/lines-of-code.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\LinesOfCode;
+
+/**
+ * @psalm-immutable
+ */
+final class LinesOfCode
+{
+    /**
+     * @psalm-var non-negative-int
+     */
+    private readonly int $linesOfCode;
+
+    /**
+     * @psalm-var non-negative-int
+     */
+    private readonly int $commentLinesOfCode;
+
+    /**
+     * @psalm-var non-negative-int
+     */
+    private readonly int $nonCommentLinesOfCode;
+
+    /**
+     * @psalm-var non-negative-int
+     */
+    private readonly int $logicalLinesOfCode;
+
+    /**
+     * @psalm-param non-negative-int $linesOfCode
+     * @psalm-param non-negative-int $commentLinesOfCode
+     * @psalm-param non-negative-int $nonCommentLinesOfCode
+     * @psalm-param non-negative-int $logicalLinesOfCode
+     *
+     * @throws IllogicalValuesException
+     * @throws NegativeValueException
+     */
+    public function __construct(int $linesOfCode, int $commentLinesOfCode, int $nonCommentLinesOfCode, int $logicalLinesOfCode)
+    {
+        /** @psalm-suppress DocblockTypeContradiction */
+        if ($linesOfCode < 0) {
+            throw new NegativeValueException('$linesOfCode must not be negative');
+        }
+
+        /** @psalm-suppress DocblockTypeContradiction */
+        if ($commentLinesOfCode < 0) {
+            throw new NegativeValueException('$commentLinesOfCode must not be negative');
+        }
+
+        /** @psalm-suppress DocblockTypeContradiction */
+        if ($nonCommentLinesOfCode < 0) {
+            throw new NegativeValueException('$nonCommentLinesOfCode must not be negative');
+        }
+
+        /** @psalm-suppress DocblockTypeContradiction */
+        if ($logicalLinesOfCode < 0) {
+            throw new NegativeValueException('$logicalLinesOfCode must not be negative');
+        }
+
+        if ($linesOfCode - $commentLinesOfCode !== $nonCommentLinesOfCode) {
+            throw new IllogicalValuesException('$linesOfCode !== $commentLinesOfCode + $nonCommentLinesOfCode');
+        }
+
+        $this->linesOfCode           = $linesOfCode;
+        $this->commentLinesOfCode    = $commentLinesOfCode;
+        $this->nonCommentLinesOfCode = $nonCommentLinesOfCode;
+        $this->logicalLinesOfCode    = $logicalLinesOfCode;
+    }
+
+    /**
+     * @psalm-return non-negative-int
+     */
+    public function linesOfCode(): int
+    {
+        return $this->linesOfCode;
+    }
+
+    /**
+     * @psalm-return non-negative-int
+     */
+    public function commentLinesOfCode(): int
+    {
+        return $this->commentLinesOfCode;
+    }
+
+    /**
+     * @psalm-return non-negative-int
+     */
+    public function nonCommentLinesOfCode(): int
+    {
+        return $this->nonCommentLinesOfCode;
+    }
+
+    /**
+     * @psalm-return non-negative-int
+     */
+    public function logicalLinesOfCode(): int
+    {
+        return $this->logicalLinesOfCode;
+    }
+
+    public function plus(self $other): self
+    {
+        return new self(
+            $this->linesOfCode() + $other->linesOfCode(),
+            $this->commentLinesOfCode() + $other->commentLinesOfCode(),
+            $this->nonCommentLinesOfCode() + $other->nonCommentLinesOfCode(),
+            $this->logicalLinesOfCode() + $other->logicalLinesOfCode(),
+        );
+    }
+}