extract-release-notes.php
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extract-release-notes.php
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	#!/usr/bin/env php
	<?php declare(strict_types=1);
	if ($argc !== 2) {
	print $argv[0] . ' <tag>' . PHP_EOL;

	exit(1);
	}

	$version = $argv[1];
	$versionSeries = explode('.', $version)[0] . '.' . explode('.', $version)[1];

	$file = __DIR__ . '/../../ChangeLog-' . $versionSeries . '.md';

	if (!is_file($file) \|\| !is_readable($file)) {
	print $file . ' cannot be read' . PHP_EOL;

	exit(1);
	}

	$buffer = '';
	$append = false;

	foreach (file($file) as $line) {
	if (str_starts_with($line, '## [' . $version . ']')) {
	$append = true;

	continue;
	}

	if ($append && (str_starts_with($line, '## ') \|\| str_starts_with($line, '['))) {
	break;
	}

	if ($append) {
	$buffer .= $line;
	}
	}

	$buffer = trim($buffer);

	if ($buffer === '') {
	print 'Unable to extract release notes' . PHP_EOL;

	exit(1);
	}

	print $buffer . PHP_EOL;