/**
* Run installation (or update)
*
* @throws \Exception
* @return int 0 on success or a positive error code on failure
*/
public function run()
{
// Disable GC to save CPU cycles, as the dependency solver can create hundreds of thousands
// of PHP objects, the GC can spend quite some time walking the tree of references looking
// for stuff to collect while there is nothing to collect. This slows things down dramatically
// and turning it off results in much better performance. Do not try this at home however.
gc_collect_cycles();
gc_disable();
// Force update if there is no lock file present
if (!$this->update && !$this->locker->isLocked()) {
$this->update = true;
}
if ($this->dryRun) {
$this->verbose = true;
$this->runScripts = false;
$this->installationManager->addInstaller(new NoopInstaller());
$this->mockLocalRepositories($this->repositoryManager);
}
if ($this->runScripts) {
// dispatch pre event
$eventName = $this->update ? ScriptEvents::PRE_UPDATE_CMD : ScriptEvents::PRE_INSTALL_CMD;
$this->eventDispatcher->dispatchScript($eventName, $this->devMode);
}
$this->downloadManager->setPreferSource($this->preferSource);
$this->downloadManager->setPreferDist($this->preferDist);
// create installed repo, this contains all local packages + platform packages (php & extensions)
$localRepo = $this->repositoryManager->getLocalRepository();
if ($this->update) {
$platformOverrides = $this->config->get('platform') ?: array();
} else {
$platformOverrides = $this->locker->getPlatformOverrides();
}
$platformRepo = new PlatformRepository(array(), $platformOverrides);
$installedRepo = $this->createInstalledRepo($localRepo, $platformRepo);
$aliases = $this->getRootAliases();
$this->aliasPlatformPackages($platformRepo, $aliases);
if (!$this->suggestedPackagesReporter) {
$this->suggestedPackagesReporter = new SuggestedPackagesReporter($this->io);
}
try {
list($res, $devPackages) = $this->doInstall($localRepo, $installedRepo, $platformRepo, $aliases);
if ($res !== 0) {
return $res;
}
} catch (\Exception $e) {
if (!$this->dryRun) {
$this->installationManager->notifyInstalls($this->io);
}
throw $e;
}
if (!$this->dryRun) {
$this->installationManager->notifyInstalls($this->io);
}
// output suggestions if we're in dev mode
if ($this->devMode && !$this->skipSuggest) {
$this->suggestedPackagesReporter->output($installedRepo);
}
# Find abandoned packages and warn user
foreach ($localRepo->getPackages() as $package) {
if (!$package instanceof CompletePackage || !$package->isAbandoned()) {
continue;
}
$replacement = is_string($package->getReplacementPackage()) ? 'Use ' . $package->getReplacementPackage() . ' instead' : 'No replacement was suggested';
$this->io->writeError(sprintf("<warning>Package %s is abandoned, you should avoid using it. %s.</warning>", $package->getPrettyName(), $replacement));
}
if (!$this->dryRun) {
// write lock
if ($this->update) {
$localRepo->reload();
$platformReqs = $this->extractPlatformRequirements($this->package->getRequires());
$platformDevReqs = $this->extractPlatformRequirements($this->package->getDevRequires());
$updatedLock = $this->locker->setLockData(array_diff($localRepo->getCanonicalPackages(), $devPackages), $devPackages, $platformReqs, $platformDevReqs, $aliases, $this->package->getMinimumStability(), $this->package->getStabilityFlags(), $this->preferStable || $this->package->getPreferStable(), $this->preferLowest, $this->config->get('platform') ?: array());
if ($updatedLock) {
$this->io->writeError('<info>Writing lock file</info>');
}
}
if ($this->dumpAutoloader) {
// write autoloader
if ($this->optimizeAutoloader) {
$this->io->writeError('<info>Generating optimized autoload files</info>');
} else {
$this->io->writeError('<info>Generating autoload files</info>');
}
$this->autoloadGenerator->setDevMode($this->devMode);
$this->autoloadGenerator->setClassMapAuthoritative($this->classMapAuthoritative);
$this->autoloadGenerator->setRunScripts($this->runScripts);
$this->autoloadGenerator->dump($this->config, $localRepo, $this->package, $this->installationManager, 'composer', $this->optimizeAutoloader);
}
if ($this->runScripts) {
$devMode = (int) $this->devMode;
putenv("COMPOSER_DEV_MODE={$devMode}");
// dispatch post event
$eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
$this->eventDispatcher->dispatchScript($eventName, $this->devMode);
}
// force binaries re-generation in case they are missing
foreach ($localRepo->getPackages() as $package) {
$this->installationManager->ensureBinariesPresence($package);
}
$vendorDir = $this->config->get('vendor-dir');
if (is_dir($vendorDir)) {
// suppress errors as this fails sometimes on OSX for no apparent reason
// see https://github.com/composer/composer/issues/4070#issuecomment-129792748
@touch($vendorDir);
}
}
// re-enable GC except on HHVM which triggers a warning here
if (!defined('HHVM_VERSION')) {
gc_enable();
}
return 0;
}
public function testInstallBinary()
{
$installer = $this->getMockBuilder('Composer\\Installer\\LibraryInstaller')->disableOriginalConstructor()->getMock();
$manager = new InstallationManager();
$manager->addInstaller($installer);
$package = $this->createPackageMock();
$package->expects($this->once())->method('getType')->will($this->returnValue('library'));
$installer->expects($this->once())->method('supports')->with('library')->will($this->returnValue(true));
$installer->expects($this->once())->method('ensureBinariesPresence')->with($package);
$manager->ensureBinariesPresence($package);
}
