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Add local cache to dist downloads

pull/1282/head
Jordi Boggiano 2012-11-01 18:02:08 +01:00
parent c0e75e5d24
commit fb3a43b2f0
2 changed files with 44 additions and 6 deletions
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38
src/Composer/Cache.php
View File

@ -13,6 +13,7 @@
namespace Composer;
use Composer\IO\IOInterface;
use Composer\Util\Filesystem;
/**
* Reads/writes to a filesystem cache
@ -24,11 +25,15 @@ class Cache
private $io;
private $root;
private $enabled = true;
private $whitelist;
private $filesystem;
public function __construct(IOInterface $io, $cacheDir)
public function __construct(IOInterface $io, $cacheDir, $whitelist = 'a-z0-9.', Filesystem $filesystem = null)
{
$this->io = $io;
$this->root = rtrim($cacheDir, '/\\') . '/';
$this->whitelist = $whitelist;
$this->filesystem = $filesystem ?: new Filesystem();
if (!is_dir($this->root)) {
if (!@mkdir($this->root, 0777, true)) {
@ -44,7 +49,7 @@ class Cache
public function read($file)
{
$file = preg_replace('{[^a-z0-9.]}i', '-', $file);
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
if ($this->enabled && file_exists($this->root . $file)) {
return file_get_contents($this->root . $file);
}
@ -53,14 +58,37 @@ class Cache
public function write($file, $contents)
{
if ($this->enabled) {
$file = preg_replace('{[^a-z0-9.]}i', '-', $file);
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
file_put_contents($this->root . $file, $contents);
}
}
public function copyFrom($file, $source)
{
if ($this->enabled) {
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
$this->filesystem->ensureDirectoryExists(dirname($this->root . $file));
copy($source, $this->root . $file);
}
}
public function copyTo($file, $target)
{
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
if ($this->enabled && file_exists($this->root . $file)) {
touch($this->root . $file);
return copy($this->root . $file, $target);
}
}
public function gc($expire)
{
// TODO
}
public function sha1($file)
{
$file = preg_replace('{[^a-z0-9.]}i', '-', $file);
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
if ($this->enabled && file_exists($this->root . $file)) {
return sha1_file($this->root . $file);
}
@ -68,7 +96,7 @@ class Cache
public function sha256($file)
{
$file = preg_replace('{[^a-z0-9.]}i', '-', $file);
$file = preg_replace('{[^'.$this->whitelist.']}i', '-', $file);
if ($this->enabled && file_exists($this->root . $file)) {
return hash_file('sha256', $this->root . $file);
}

12
src/Composer/Downloader/FileDownloader.php
View File

@ -13,6 +13,7 @@
namespace Composer\Downloader;
use Composer\Config;
use Composer\Cache;
use Composer\IO\IOInterface;
use Composer\Package\PackageInterface;
use Composer\Package\Version\VersionParser;
@ -33,6 +34,7 @@ class FileDownloader implements DownloaderInterface
protected $config;
protected $rfs;
protected $filesystem;
protected $cache;
/**
* Constructor.
@ -48,6 +50,11 @@ class FileDownloader implements DownloaderInterface
$this->config = $config;
$this->rfs = $rfs ?: new RemoteFilesystem($io);
$this->filesystem = $filesystem ?: new Filesystem();
$this->cache = new Cache($this->io, $config->get('home').'/cache.files/', 'a-z0-9_./');
if (!rand(0, 50)) {
$this->cache->gc($config->get('cache-ttl') ?: 86400 * 30);
}
}
/**
@ -78,7 +85,10 @@ class FileDownloader implements DownloaderInterface
try {
try {
$this->rfs->copy(parse_url($processUrl, PHP_URL_HOST), $processUrl, $fileName);
if (!$this->cache->copyTo($package->getName().'/'.$package->getVersion().'-'.$package->getDistReference().'.'.$package->getDistType(), $fileName)) {
$this->rfs->copy(parse_url($processUrl, PHP_URL_HOST), $processUrl, $fileName);
$this->cache->copyFrom($package->getName().'/'.$package->getVersion().'-'.$package->getDistReference().'.'.$package->getDistType(), $fileName);
}
} catch (TransportException $e) {
if (404 === $e->getCode() && 'github.com' === parse_url($processUrl, PHP_URL_HOST)) {
$message = "\n".'Could not fetch '.$processUrl.', enter your GitHub credentials to access private repos';