protected function doInstall($localRepo, $installedRepo, $platformRepo, $aliases, $withDevReqs)
{
// init vars
$lockedRepository = null;
$repositories = null;
// initialize locker to create aliased packages
$installFromLock = false;
if (!$this->update && $this->locker->isLocked()) {
$installFromLock = true;
try {
$lockedRepository = $this->locker->getLockedRepository($withDevReqs);
} catch (\RuntimeException $e) {
// if there are dev requires, then we really can not install
if ($this->package->getDevRequires()) {
throw $e;
}
// no require-dev in composer.json and the lock file was created with no dev info, so skip them
$lockedRepository = $this->locker->getLockedRepository();
}
}
$this->whitelistUpdateDependencies($localRepo, $withDevReqs, $this->package->getRequires(), $this->package->getDevRequires());
$this->io->writeError('<info>Loading composer repositories with package information</info>');
// creating repository pool
$policy = $this->createPolicy();
$pool = $this->createPool($withDevReqs, $lockedRepository);
$pool->addRepository($installedRepo, $aliases);
if ($installFromLock) {
$pool->addRepository($lockedRepository, $aliases);
}
if (!$installFromLock) {
$repositories = $this->repositoryManager->getRepositories();
foreach ($repositories as $repository) {
$pool->addRepository($repository, $aliases);
}
}
// creating requirements request
$request = $this->createRequest($pool, $this->package, $platformRepo);
if (!$installFromLock) {
// remove unstable packages from the localRepo if they don't match the current stability settings
$removedUnstablePackages = array();
foreach ($localRepo->getPackages() as $package) {
if (!$pool->isPackageAcceptable($package->getNames(), $package->getStability()) && $this->installationManager->isPackageInstalled($localRepo, $package)) {
$removedUnstablePackages[$package->getName()] = true;
$request->remove($package->getName(), new VersionConstraint('=', $package->getVersion()));
}
}
}
if ($this->update) {
$this->io->writeError('<info>Updating dependencies' . ($withDevReqs ? ' (including require-dev)' : '') . '</info>');
$request->updateAll();
if ($withDevReqs) {
$links = array_merge($this->package->getRequires(), $this->package->getDevRequires());
} else {
$links = $this->package->getRequires();
}
foreach ($links as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
// if the updateWhitelist is enabled, packages not in it are also fixed
// to the version specified in the lock, or their currently installed version
if ($this->updateWhitelist) {
if ($this->locker->isLocked()) {
try {
$currentPackages = $this->locker->getLockedRepository($withDevReqs)->getPackages();
} catch (\RuntimeException $e) {
// fetch only non-dev packages from lock if doing a dev update fails due to a previously incomplete lock file
$currentPackages = $this->locker->getLockedRepository()->getPackages();
}
} else {
$currentPackages = $installedRepo->getPackages();
}
// collect packages to fixate from root requirements as well as installed packages
$candidates = array();
foreach ($links as $link) {
$candidates[$link->getTarget()] = true;
}
foreach ($localRepo->getPackages() as $package) {
$candidates[$package->getName()] = true;
}
// fix them to the version in lock (or currently installed) if they are not updateable
foreach ($candidates as $candidate => $dummy) {
foreach ($currentPackages as $curPackage) {
if ($curPackage->getName() === $candidate) {
if (!$this->isUpdateable($curPackage) && !isset($removedUnstablePackages[$curPackage->getName()])) {
$constraint = new VersionConstraint('=', $curPackage->getVersion());
$request->install($curPackage->getName(), $constraint);
}
break;
}
}
}
}
} elseif ($installFromLock) {
$this->io->writeError('<info>Installing dependencies' . ($withDevReqs ? ' (including require-dev)' : '') . ' from lock file</info>');
if (!$this->locker->isFresh()) {
$this->io->writeError('<warning>Warning: The lock file is not up to date with the latest changes in composer.json. You may be getting outdated dependencies. Run update to update them.</warning>');
}
foreach ($lockedRepository->getPackages() as $package) {
$version = $package->getVersion();
if (isset($aliases[$package->getName()][$version])) {
$version = $aliases[$package->getName()][$version]['alias_normalized'];
}
$constraint = new VersionConstraint('=', $version);
$constraint->setPrettyString($package->getPrettyVersion());
$request->install($package->getName(), $constraint);
}
foreach ($this->locker->getPlatformRequirements($withDevReqs) as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
} else {
$this->io->writeError('<info>Installing dependencies' . ($withDevReqs ? ' (including require-dev)' : '') . '</info>');
if ($withDevReqs) {
$links = array_merge($this->package->getRequires(), $this->package->getDevRequires());
} else {
$links = $this->package->getRequires();
}
foreach ($links as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
}
// force dev packages to have the latest links if we update or install from a (potentially new) lock
$this->processDevPackages($localRepo, $pool, $policy, $repositories, $lockedRepository, $installFromLock, 'force-links');
// solve dependencies
$this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, $this->devMode, $policy, $pool, $installedRepo, $request);
$solver = new Solver($policy, $pool, $installedRepo);
try {
$operations = $solver->solve($request, $this->ignorePlatformReqs);
$this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, $this->devMode, $policy, $pool, $installedRepo, $request, $operations);
} catch (SolverProblemsException $e) {
$this->io->writeError('<error>Your requirements could not be resolved to an installable set of packages.</error>');
$this->io->writeError($e->getMessage());
return max(1, $e->getCode());
}
// force dev packages to be updated if we update or install from a (potentially new) lock
$operations = $this->processDevPackages($localRepo, $pool, $policy, $repositories, $lockedRepository, $installFromLock, 'force-updates', $operations);
// execute operations
if (!$operations) {
$this->io->writeError('Nothing to install or update');
}
$operations = $this->movePluginsToFront($operations);
$operations = $this->moveUninstallsToFront($operations);
foreach ($operations as $operation) {
// collect suggestions
if ('install' === $operation->getJobType()) {
foreach ($operation->getPackage()->getSuggests() as $target => $reason) {
$this->suggestedPackages[] = array('source' => $operation->getPackage()->getPrettyName(), 'target' => $target, 'reason' => $reason);
}
}
// not installing from lock, force dev packages' references if they're in root package refs
if (!$installFromLock) {
$package = null;
if ('update' === $operation->getJobType()) {
$package = $operation->getTargetPackage();
} elseif ('install' === $operation->getJobType()) {
$package = $operation->getPackage();
}
if ($package && $package->isDev()) {
$references = $this->package->getReferences();
if (isset($references[$package->getName()])) {
$package->setSourceReference($references[$package->getName()]);
$package->setDistReference($references[$package->getName()]);
}
}
if ('update' === $operation->getJobType() && $operation->getTargetPackage()->isDev() && $operation->getTargetPackage()->getVersion() === $operation->getInitialPackage()->getVersion() && $operation->getTargetPackage()->getSourceReference() === $operation->getInitialPackage()->getSourceReference()) {
if ($this->io->isDebug()) {
$this->io->writeError(' - Skipping update of ' . $operation->getTargetPackage()->getPrettyName() . ' to the same reference-locked version');
$this->io->writeError('');
}
continue;
}
}
$event = 'Composer\\Installer\\PackageEvents::PRE_PACKAGE_' . strtoupper($operation->getJobType());
if (defined($event) && $this->runScripts) {
$this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $policy, $pool, $installedRepo, $request, $operations, $operation);
}
// output non-alias ops in dry run, output alias ops in debug verbosity
if ($this->dryRun && false === strpos($operation->getJobType(), 'Alias')) {
$this->io->writeError(' - ' . $operation);
$this->io->writeError('');
} elseif ($this->io->isDebug() && false !== strpos($operation->getJobType(), 'Alias')) {
$this->io->writeError(' - ' . $operation);
$this->io->writeError('');
}
$this->installationManager->execute($localRepo, $operation);
// output reasons why the operation was ran, only for install/update operations
if ($this->verbose && $this->io->isVeryVerbose() && in_array($operation->getJobType(), array('install', 'update'))) {
$reason = $operation->getReason();
if ($reason instanceof Rule) {
switch ($reason->getReason()) {
case Rule::RULE_JOB_INSTALL:
$this->io->writeError(' REASON: Required by root: ' . $reason->getPrettyString($pool));
$this->io->writeError('');
break;
case Rule::RULE_PACKAGE_REQUIRES:
$this->io->writeError(' REASON: ' . $reason->getPrettyString($pool));
$this->io->writeError('');
break;
}
}
}
$event = 'Composer\\Installer\\PackageEvents::POST_PACKAGE_' . strtoupper($operation->getJobType());
if (defined($event) && $this->runScripts) {
$this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $policy, $pool, $installedRepo, $request, $operations, $operation);
}
if (!$this->dryRun) {
$localRepo->write();
}
}
return 0;
}
/**
* Extracts the dev packages out of the localRepo
*
* This works by faking the operations so we can see what the dev packages
* would be at the end of the operation execution. This lets us then remove
* the dev packages from the list of operations accordingly if we are in a
* --no-dev install or update.
*
* @return array
*/
private function extractDevPackages(array $operations, RepositoryInterface $localRepo, PlatformRepository $platformRepo, array $aliases)
{
if (!$this->package->getDevRequires()) {
return array();
}
// fake-apply all operations to this clone of the local repo so we see the complete set of package we would end up with
$tempLocalRepo = clone $localRepo;
foreach ($operations as $operation) {
switch ($operation->getJobType()) {
case 'install':
case 'markAliasInstalled':
if (!$tempLocalRepo->hasPackage($operation->getPackage())) {
$tempLocalRepo->addPackage(clone $operation->getPackage());
}
break;
case 'uninstall':
case 'markAliasUninstalled':
$tempLocalRepo->removePackage($operation->getPackage());
break;
case 'update':
$tempLocalRepo->removePackage($operation->getInitialPackage());
if (!$tempLocalRepo->hasPackage($operation->getTargetPackage())) {
$tempLocalRepo->addPackage(clone $operation->getTargetPackage());
}
break;
default:
throw new \LogicException('Unknown type: ' . $operation->getJobType());
}
}
// we have to reload the local repo to handle aliases properly
// but as it is not persisted on disk we use a loader/dumper
// to reload it in memory
$localRepo = new InstalledArrayRepository(array());
$loader = new ArrayLoader(null, true);
$dumper = new ArrayDumper();
foreach ($tempLocalRepo->getCanonicalPackages() as $pkg) {
$localRepo->addPackage($loader->load($dumper->dump($pkg)));
}
unset($tempLocalRepo, $loader, $dumper);
$policy = $this->createPolicy();
$pool = $this->createPool();
$installedRepo = $this->createInstalledRepo($localRepo, $platformRepo);
$pool->addRepository($installedRepo, $aliases);
// creating requirements request without dev requirements
$request = $this->createRequest($this->package, $platformRepo);
$request->updateAll();
foreach ($this->package->getRequires() as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
// solve deps to see which get removed
$this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request);
$solver = new Solver($policy, $pool, $installedRepo, $this->io);
$ops = $solver->solve($request, $this->ignorePlatformReqs);
$this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request, $ops);
$devPackages = array();
foreach ($ops as $op) {
if ($op->getJobType() === 'uninstall') {
$devPackages[] = $op->getPackage();
}
}
return $devPackages;
}
