PocketMine-MPのインストーラー(ソースコードで)

pmmp-installer.php

<?php

declare(strict_types=1);

echo "-- PocketMineSourceInstaller --" . PHP_EOL;
echo "install" . PHP_EOL;

//バージョン入力
version:
echo "version: ";
$version = trim(fgets(STDIN));

//フォルダ存在確認
echo "check folder...";
if (file_exists("./$version/")) {
    echo "version $version already exists." . PHP_EOL;
    goto version;
}
echo "done." . PHP_EOL;

//リリース存在確認
echo "check release...";
$url = "https://github.com/pmmp/PocketMine-MP/releases/tag/" . $version;
$context = stream_context_create(["http" => ["ignore_errors" => true]]);
$response = file_get_contents($url, false, $context);
$isSuccess = strpos($http_response_header[0], "200");
if ($isSuccess === false) {
    echo "release not found." . PHP_EOL;
    echo "url: $url" . PHP_EOL;
    goto version;
}
echo "done." . PHP_EOL;

//最終確認
echo "install ok? (y/N): ";
$ok = trim(fgets(STDIN));
if ($ok !== "y") {
    echo "bye." . PHP_EOL;
    exit();
}

sleep(2);

//インストール
echo "check environment..." . PHP_EOL;
//TODO: コマンド存在チェック方法
echo "git: ";
if (strpos(exec("git 2>&1"), "not found") !== false) {
    echo "not found." . PHP_EOL;
    goto install_error;
}
echo "found." . PHP_EOL;
sleep(1);
echo "tar: ";
if (strpos(exec("tar 2>&1"), "not found") !== false) {
    echo "not found." . PHP_EOL;
    goto install_error;
}
echo "found." . PHP_EOL;
sleep(1);
echo "composer.phar: ";
if (!file_exists("./composer.phar")) {
    echo "not found." . PHP_EOL;
    echo "download composer.phar...";
    $composerPharUrl = "https://getcomposer.org/composer-stable.phar";
    if (($composerPhar = file_get_contents($composerPharUrl)) === false) goto install_error;
    if (file_put_contents("./composer.phar", $composerPhar) === false) goto install_error;
    echo "done." . PHP_EOL;
} else {
    echo "found." . PHP_EOL;
}
sleep(1);
echo "php binary: ";
$phpPath = "./bin/php7/bin/php";
if (!file_exists($phpPath)) {
    echo "not found." . PHP_EOL;
    echo "download archived php binary...";
    $phpBinaryUrl = "https://jenkins.pmmp.io/job/PHP-7.4-Aggregate/lastStableBuild/artifact/PHP-7.4-Linux-x86_64.tar.gz";
    if (($phpBinary = file_get_contents($phpBinaryUrl)) === false) goto install_error;
    if (file_put_contents("./php-binary.tar.gz", $phpBinary) === false) goto install_error;
    echo "done." . PHP_EOL;
    echo "extract archived php binary...";
    if (exec("tar -zxvf ./php-binary.tar.gz") === false) goto install_error;
    echo "done." . PHP_EOL;
    echo "remove archived php binary...";
    if (!unlink("./php-binary.tar.gz")) goto install_error;
    echo "done." . PHP_EOL;
    echo "edit php.ini...";
    if (($phpIni = file_get_contents("./bin/php7/bin/php.ini")) === false) goto install_error;
    $phpIni = str_replace(["UTC", "zend_extension="], ["Asia/Tokyo", ";zend_extension="], $phpIni);
    if (file_put_contents("./bin/php7/bin/php.ini", $phpIni) === false) goto install_error;
    echo "done." . PHP_EOL;
} else {
    echo "found." . PHP_EOL;
}

echo "done." . PHP_EOL;

sleep(2);

echo "create folder...";
if (!mkdir($version)) goto install_error;
echo "done." . PHP_EOL;

sleep(2);

echo "clone pmmp..." . PHP_EOL;
system("git clone https://github.com/pmmp/PocketMine-MP.git -b $version ./$version/ --recursive");
echo "done." . PHP_EOL;

sleep(2);

echo "composer install..." . PHP_EOL;
chdir("./$version/");//TODO: hack
system("../bin/php7/bin/php ../composer.phar install");
chdir("../");//TODO: hack
echo "done." . PHP_EOL;

sleep(2);

echo "copy php binary..." . PHP_EOL;
system("cp -R ./bin/ ./$version/bin/");
echo "done." . PHP_EOL;

sleep(2);

echo "success!" . PHP_EOL;
exit();

install_error:
echo PHP_EOL . "install error." . PHP_EOL;
echo "removing unfinished files..." . PHP_EOL;
system("rm -rf ./$version");