Add rust target

Author: crazywhalecc

config/pkg/target/rust.yml

@@ -0,0 +1,6 @@
+rust:
+  type: target
+  artifact:
+    binary: custom
+  path:
+    - '{pkg_root_path}/rust/bin'

src/Package/Artifact/rust.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Package\Artifact;
+
+use StaticPHP\Artifact\ArtifactDownloader;
+use StaticPHP\Artifact\Downloader\DownloadResult;
+use StaticPHP\Artifact\Downloader\Type\CheckUpdateResult;
+use StaticPHP\Attribute\Artifact\AfterBinaryExtract;
+use StaticPHP\Attribute\Artifact\CustomBinary;
+use StaticPHP\Attribute\Artifact\CustomBinaryCheckUpdate;
+use StaticPHP\Exception\DownloaderException;
+use StaticPHP\Runtime\SystemTarget;
+use StaticPHP\Util\System\LinuxUtil;
+
+class rust
+{
+    #[CustomBinary('rust', [
+        'linux-x86_64',
+        'linux-aarch64',
+    ])]
+    public function downBinary(ArtifactDownloader $downloader): DownloadResult
+    {
+        // determine distro first
+        $distro = LinuxUtil::isMuslDist() ? 'musl' : 'gnu';
+        $arch = SystemTarget::getTargetArch();
+
+        // get latest rust version from link
+        $toml_config = default_shell()->executeCurl('https://static.rust-lang.org/dist/channel-rust-stable.toml', retries: $downloader->getRetry());
+        // parse toml by regex since we want to avoid adding a toml parser dependency just for this
+        $cnt = preg_match_all('/^version = "([^"]+)"$/m', $toml_config ?: '', $matches);
+        if (!$cnt) {
+            throw new DownloaderException('Failed to parse Rust version from channel config');
+        }
+        $versions = $matches[1];
+        // strip version num \d.\d.\d (some version number is like "x.x.x (abcdefg 1970-01-01)"
+        $versions = array_filter(array_map(fn ($v) => preg_match('/^(\d+\.\d+\.\d+)/', $v, $m) ? $m[1] : null, $versions));
+        usort($versions, 'version_compare');
+        $latest_version = end($versions);
+        if (!$latest_version) {
+            throw new DownloaderException('Could not determine latest Rust version');
+        }
+
+        // merge download link
+        $download_url = "https://static.rust-lang.org/dist/rust-{$latest_version}-{$arch}-unknown-linux-{$distro}.tar.xz";
+        $path = DOWNLOAD_PATH . DIRECTORY_SEPARATOR . basename($download_url);
+        default_shell()->executeCurlDownload($download_url, $path, retries: $downloader->getRetry());
+        return DownloadResult::archive(basename($path), ['url' => $download_url, 'version' => $latest_version], extract: PKG_ROOT_PATH . '/rust-install', verified: false, version: $latest_version);
+    }
+
+    #[CustomBinaryCheckUpdate('rust', [
+        'linux-x86_64',
+        'linux-aarch64',
+    ])]
+    public function checkUpdateBinary(?string $old_version, ArtifactDownloader $downloader): CheckUpdateResult
+    {
+        $toml_config = default_shell()->executeCurl('https://static.rust-lang.org/dist/channel-rust-stable.toml', retries: $downloader->getRetry());
+        $cnt = preg_match_all('/^version = "([^"]+)"$/m', $toml_config ?: '', $matches);
+        if (!$cnt) {
+            throw new DownloaderException('Failed to parse Rust version from channel config');
+        }
+        $versions = array_filter(array_map(fn ($v) => preg_match('/^(\d+\.\d+\.\d+)/', $v, $m) ? $m[1] : null, $matches[1]));
+        usort($versions, 'version_compare');
+        $latest_version = end($versions);
+        if (!$latest_version) {
+            throw new DownloaderException('Could not determine latest Rust version');
+        }
+        return new CheckUpdateResult(
+            old: $old_version,
+            new: $latest_version,
+            needUpdate: $old_version === null || $latest_version !== $old_version,
+        );
+    }
+
+    #[AfterBinaryExtract('rust', [
+        'linux-x86_64',
+        'linux-aarch64',
+    ])]
+    public function postExtractRust(string $target_path): void
+    {
+        $prefix = PKG_ROOT_PATH . '/rust';
+        shell()->exec("cd {$target_path} && ./install.sh --prefix={$prefix}");
+    }
+}