protected function doInstall($localRepo, $installedRepo, $aliases, $devMode = false)
{
$minimumStability = $this->package->getMinimumStability();
$stabilityFlags = $this->package->getStabilityFlags();
// init vars
$lockedRepository = null;
$repositories = null;
// initialize locker to create aliased packages
$installFromLock = false;
if (!$this->update && $this->locker->isLocked($devMode)) {
$installFromLock = true;
$lockedRepository = $this->locker->getLockedRepository($devMode);
$minimumStability = $this->locker->getMinimumStability();
$stabilityFlags = $this->locker->getStabilityFlags();
}
$this->whitelistUpdateDependencies($localRepo, $devMode, $this->package->getRequires(), $this->package->getDevRequires());
$this->io->write('<info>Loading composer repositories with package information</info>');
// creating repository pool
$policy = new DefaultPolicy();
$pool = new Pool($minimumStability, $stabilityFlags);
$pool->addRepository($installedRepo, $aliases);
if ($installFromLock) {
$pool->addRepository($lockedRepository, $aliases);
}
if (!$installFromLock || !$this->locker->isCompleteFormat($devMode)) {
$repositories = $this->repositoryManager->getRepositories();
foreach ($repositories as $repository) {
$pool->addRepository($repository, $aliases);
}
}
// creating requirements request
$request = new Request($pool);
$constraint = new VersionConstraint('=', $this->package->getVersion());
$constraint->setPrettyString($this->package->getPrettyVersion());
$request->install($this->package->getName(), $constraint);
if ($this->update) {
$this->io->write('<info>Updating ' . ($devMode ? 'dev ' : '') . 'dependencies</info>');
$request->updateAll();
$links = $devMode ? $this->package->getDevRequires() : $this->package->getRequires();
foreach ($links as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
} elseif ($installFromLock) {
$this->io->write('<info>Installing ' . ($devMode ? 'dev ' : '') . 'dependencies from lock file</info>');
if (!$this->locker->isCompleteFormat($devMode)) {
$this->io->write('<warning>Warning: Your lock file is in a deprecated format. It will most likely take a *long* time for composer to install dependencies, and may cause dependency solving issues.</warning>');
}
if (!$this->locker->isFresh() && !$devMode) {
$this->io->write('<warning>Warning: The lock file is not up to date with the latest changes in composer.json, you may be getting outdated dependencies, run update to update them.</warning>');
}
foreach ($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);
}
} else {
$this->io->write('<info>Installing ' . ($devMode ? 'dev ' : '') . 'dependencies</info>');
$links = $devMode ? $this->package->getDevRequires() : $this->package->getRequires();
foreach ($links as $link) {
$request->install($link->getTarget(), $link->getConstraint());
}
}
// fix the version of all installed packages (+ platform) that are not
// in the current local repo to prevent rogue updates (e.g. non-dev
// updating when in dev)
foreach ($installedRepo->getPackages() as $package) {
if ($package->getRepository() === $localRepo) {
continue;
}
$constraint = new VersionConstraint('=', $package->getVersion());
$constraint->setPrettyString($package->getPrettyVersion());
$request->install($package->getName(), $constraint);
}
// if the updateWhitelist is enabled, packages not in it are also fixed
// to the version specified in the lock, or their currently installed version
if ($this->update && $this->updateWhitelist) {
if ($this->locker->isLocked($devMode)) {
$currentPackages = $this->locker->getLockedRepository($devMode)->getPackages();
} else {
$currentPackages = $installedRepo->getPackages();
}
// collect links from composer 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)) {
break;
}
$constraint = new VersionConstraint('=', $curPackage->getVersion());
$request->install($curPackage->getName(), $constraint);
}
}
}
}
// 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
$solver = new Solver($policy, $pool, $installedRepo);
try {
$operations = $solver->solve($request);
} catch (SolverProblemsException $e) {
$this->io->write('<error>Your requirements could not be resolved to an installable set of packages.</error>');
$this->io->write($e->getMessage());
return false;
}
if ($devMode) {
// remove bogus operations that the solver creates for stuff that was force-updated in the non-dev pass
// TODO this should not be necessary ideally, but it seems to work around the problem quite well
foreach ($operations as $index => $op) {
if ('update' === $op->getJobType() && $op->getInitialPackage()->getUniqueName() === $op->getTargetPackage()->getUniqueName() && $op->getInitialPackage()->getSourceReference() === $op->getTargetPackage()->getSourceReference() && $op->getInitialPackage()->getDistReference() === $op->getTargetPackage()->getDistReference()) {
unset($operations[$index]);
}
}
}
// 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) {
$this->io->write('Nothing to install or update');
}
foreach ($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);
}
}
$event = 'Composer\\Script\\ScriptEvents::PRE_PACKAGE_' . strtoupper($operation->getJobType());
if (defined($event) && $this->runScripts) {
$this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $operation);
}
// not installing from lock, force dev packages' references if they're in root package refs
if (!$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[$package->getName()]);
}
}
}
// output alias operations in verbose mode, or all ops in dry run
if ($this->dryRun || $this->verbose && false !== strpos($operation->getJobType(), 'Alias')) {
$this->io->write(' - ' . $operation);
}
$this->installationManager->execute($localRepo, $operation);
$event = 'Composer\\Script\\ScriptEvents::POST_PACKAGE_' . strtoupper($operation->getJobType());
if (defined($event) && $this->runScripts) {
$this->eventDispatcher->dispatchPackageEvent(constant($event), $this->devMode, $operation);
}
if (!$this->dryRun) {
$localRepo->write();
}
}
return true;
}