protected function doInstall($localRepo, $installedRepo, $aliases, $devMode = false)
{
$minimumStability = $this->package->getMinimumStability();
$stabilityFlags = $this->package->getStabilityFlags();
// initialize locker to create aliased packages
if (!$this->update && $this->locker->isLocked($devMode)) {
$lockedPackages = $this->locker->getLockedPackages($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
$pool = new Pool($minimumStability, $stabilityFlags);
$pool->addRepository($installedRepo);
foreach ($this->repositoryManager->getRepositories() as $repository) {
$pool->addRepository($repository);
}
// creating requirements request
$installFromLock = false;
$request = new Request($pool);
$constraint = new VersionConstraint('=', $this->package->getVersion());
$request->install($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(), $link->getConstraint());
}
} elseif ($this->locker->isLocked($devMode)) {
$installFromLock = true;
$this->io->write('<info>Installing ' . ($devMode ? 'dev ' : '') . 'dependencies from lock file</info>');
if (!$this->locker->isFresh() && !$devMode) {
$this->io->write('<warning>Your lock file is out of sync with your composer.json, run "composer.phar update" to update dependencies</warning>');
}
foreach ($lockedPackages as $package) {
$version = $package->getVersion();
foreach ($aliases as $alias) {
if ($alias['package'] === $package->getName() && $alias['version'] === $package->getVersion()) {
$version = $alias['alias_normalized'];
break;
}
}
$constraint = new VersionConstraint('=', $version);
$request->install($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());
$request->install($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 = $this->locker->getLockedPackages($devMode);
} 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);
}
}
}
}
// prepare solver
$policy = new DefaultPolicy();
$solver = new Solver($policy, $pool, $installedRepo);
// solve dependencies
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;
}
// force dev packages to be updated if we update or install from a (potentially new) lock
foreach ($localRepo->getPackages() as $package) {
// skip non-dev packages
if (!$package->isDev()) {
continue;
}
// skip packages that will be updated/uninstalled
foreach ($operations as $operation) {
if ('update' === $operation->getJobType() && $operation->getInitialPackage()->equals($package) || 'uninstall' === $operation->getJobType() && $operation->getPackage()->equals($package)) {
continue 2;
}
}
// force update to locked version if it does not match the installed version
if ($installFromLock) {
$lockData = $this->locker->getLockData();
unset($lockedReference);
foreach ($lockData['packages'] as $lockedPackage) {
if (!empty($lockedPackage['source-reference']) && strtolower($lockedPackage['package']) === $package->getName()) {
$lockedReference = $lockedPackage['source-reference'];
break;
}
}
if (isset($lockedReference) && $lockedReference !== $package->getSourceReference()) {
// changing the source ref to update to will be handled in the operations loop below
$operations[] = new UpdateOperation($package, clone $package);
}
} else {
// force update to latest on update
if ($this->update) {
// skip package if the whitelist is enabled and it is not in it
if ($this->updateWhitelist && !$this->isUpdateable($package)) {
continue;
}
$newPackage = $this->repositoryManager->findPackage($package->getName(), $package->getVersion());
if ($newPackage && $newPackage->getSourceReference() !== $package->getSourceReference()) {
$operations[] = new UpdateOperation($package, $newPackage);
}
}
// force installed package to update to referenced version if it does not match the installed version
$references = $this->package->getReferences();
if (isset($references[$package->getName()]) && $references[$package->getName()] !== $package->getSourceReference()) {
// changing the source ref to update to will be handled in the operations loop below
$operations[] = new UpdateOperation($package, clone $package);
}
}
}
// execute operations
if (!$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), $operation);
}
// if installing from lock, restore dev packages' references to their locked state
if ($installFromLock) {
$package = null;
if ('update' === $operation->getJobType()) {
$package = $operation->getTargetPackage();
} elseif ('install' === $operation->getJobType()) {
$package = $operation->getPackage();
}
if ($package && $package->isDev()) {
$lockData = $this->locker->getLockData();
foreach ($lockData['packages'] as $lockedPackage) {
if (!empty($lockedPackage['source-reference']) && strtolower($lockedPackage['package']) === $package->getName()) {
// update commit date to allow recovery in case the commit disappeared
if (!empty($lockedPackage['commit-date'])) {
$package->setReleaseDate(new \DateTime('@' . $lockedPackage['commit-date']));
}
$package->setSourceReference($lockedPackage['source-reference']);
break;
}
}
}
} else {
// not installing from lock, force dev packages' references if they're in root package refs
$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[$package->getName()]);
}
}
}
// output alias operations in verbose mode, or all ops in dry run
if ($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), $operation);
}
if (!$this->dryRun) {
$localRepo->write();
}
}
return true;
}