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composer
mirror of https://github.com/composer/composer
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Merge Solver logic into the install command

pull/9/head
Jordi Boggiano 2011-08-21 13:12:22 +02:00
parent ba9f12a517
commit 071fa7a4d7
3 changed files with 77 additions and 37 deletions
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86
src/Composer/Command/InstallCommand.php
View File

@ -12,6 +12,14 @@
namespace Composer\Command;
use Composer\DependencyResolver\Pool;
use Composer\DependencyResolver\Request;
use Composer\DependencyResolver\DefaultPolicy;
use Composer\DependencyResolver\Solver;
use Composer\Repository\PlatformRepository;
use Composer\Package\MemoryPackage;
use Composer\Package\LinkConstraint\VersionConstraint;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
@ -28,47 +36,83 @@ class InstallCommand
$config = $this->loadConfig();
echo 'Loading repositories'.PHP_EOL;
if (isset($config['repositories'])) {
foreach ($config['repositories'] as $name => $spec) {
$composer->addRepository($name, $spec);
}
// TODO this should just do dependency solving based on all repositories
$packages = array();
foreach ($composer->getRepositories() as $repository) {
$packages[] = $repository->getPackages();
}
$packages = call_user_func_array('array_merge', $packages);
$pool = new Pool;
$repoInstalled = new PlatformRepository;
$pool->addRepository($repoInstalled);
// TODO check the lock file to see what's currently installed
// $repoInstalled->addPackage(new MemoryPackage('$Package', '$Version'));
echo 'Loading package list'.PHP_EOL;
foreach ($composer->getRepositories() as $repository) {
$pool->addRepository($repository);
}
$request = new Request($pool);
echo 'Building up request'.PHP_EOL;
// TODO there should be an update flag or dedicated update command
// TODO check lock file to remove packages that disappeared from the requirements
foreach ($config['require'] as $name => $version) {
if ('latest' === $version) {
$request->install($name);
} else {
preg_match('#^([>=<~]*)([\d.]+.*)$#', $version, $match);
if (!$match[1]) {
$match[1] = '=';
}
$constraint = new VersionConstraint($match[1], $match[2]);
$request->install($name, $constraint);
}
}
echo 'Solving dependencies'.PHP_EOL;
$policy = new DefaultPolicy;
$solver = new Solver($policy, $pool, $repoInstalled);
$transaction = $solver->solve($request);
$lock = array();
// TODO this should use the transaction returned by the solver
foreach ($config['require'] as $name => $version) {
unset($package);
foreach ($packages as $pkg) {
if (strtolower($pkg->getName()) === strtolower($name)) {
$package = $pkg;
break;
}
}
if (!isset($package)) {
throw new \UnexpectedValueException('Could not find package '.$name.' in any of your repositories');
}
foreach ($transaction as $task) {
switch ($task['job']) {
case 'install':
$package = $task['package'];
echo '> Installing '.$package->getName().PHP_EOL;
if ($sourceInstall) {
// TODO
} else {
if ($package->getDistType()) {
$downloader = $composer->getDownloader($package->getDistType());
$downloaderType = $package->getDistType();
$type = 'dist';
} elseif ($package->getSourceType()) {
echo 'Package '.$package->getName().' has no dist url, installing from source instead.';
$downloader = $composer->getDownloader($package->getSourceType());
$downloaderType = $package->getSourceType();
$type = 'source';
} else {
throw new \UnexpectedValueException('Package '.$package->getName().' has no source or dist URL.');
}
$downloader = $composer->getDownloader($downloaderType);
$installer = $composer->getInstaller($package->getType());
$lock[$name] = $installer->install($package, $downloader, $type);
if (!$installer->install($package, $downloader, $type)) {
throw new \LogicException($package->getName().' could not be installed.');
}
}
$lock[$package->getName()] = array('version' => $package->getVersion());
break;
default:
throw new \UnexpectedValueException('Unhandled job type : '.$task['job']);
}
}
echo '> Done'.PHP_EOL;

4
src/Composer/Composer.php
View File

@ -29,7 +29,6 @@ class Composer
public function __construct()
{
$this->addRepository('Packagist', array('composer' => 'http://packagist.org'));
$this->addRepository('Platform', array('platform' => ''));
}
public function addDownloader($type, $downloader)
@ -90,9 +89,6 @@ class Composer
case 'git':
return new GitRepository($spec['url']);
case 'platform':
return new PlatformRepository;
case 'composer':
return new ComposerRepository($spec['url']);

2
src/Composer/Installer/LibraryInstaller.php
View File

@ -35,6 +35,6 @@ class LibraryInstaller
} else {
throw new \InvalidArgumentException('Type must be one of (dist, source), '.$type.' given.');
}
return array('version' => $package->getVersion());
return true;
}
}