Beispiel #1
0
 /**
  * Run installation (or update)
  *
  * @return int 0 on success or a positive error code on failure
  *
  * @throws \Exception
  */
 public function run()
 {
     gc_collect_cycles();
     gc_disable();
     if ($this->dryRun) {
         $this->verbose = true;
         $this->runScripts = false;
         $this->installationManager->addInstaller(new NoopInstaller());
         $this->mockLocalRepositories($this->repositoryManager);
     }
     // TODO remove this BC feature at some point
     // purge old require-dev packages to avoid conflicts with the new way of handling dev requirements
     $devRepo = new InstalledFilesystemRepository(new JsonFile($this->config->get('vendor-dir') . '/composer/installed_dev.json'));
     if ($devRepo->getPackages()) {
         $this->io->writeError('<warning>BC Notice: Removing old dev packages to migrate to the new require-dev handling.</warning>');
         foreach ($devRepo->getPackages() as $package) {
             if ($this->installationManager->isPackageInstalled($devRepo, $package)) {
                 $this->installationManager->uninstall($devRepo, new UninstallOperation($package));
             }
         }
         unlink($this->config->get('vendor-dir') . '/composer/installed_dev.json');
     }
     unset($devRepo, $package);
     // end BC
     if ($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);
     // clone root package to have one in the installed repo that does not require anything
     // we don't want it to be uninstallable, but its requirements should not conflict
     // with the lock file for example
     $installedRootPackage = clone $this->package;
     $installedRootPackage->setRequires(array());
     $installedRootPackage->setDevRequires(array());
     // create installed repo, this contains all local packages + platform packages (php & extensions)
     $localRepo = $this->repositoryManager->getLocalRepository();
     $platformRepo = new PlatformRepository();
     $repos = array($localRepo, new InstalledArrayRepository(array($installedRootPackage)), $platformRepo);
     $installedRepo = new CompositeRepository($repos);
     if ($this->additionalInstalledRepository) {
         $installedRepo->addRepository($this->additionalInstalledRepository);
     }
     $aliases = $this->getRootAliases();
     $this->aliasPlatformPackages($platformRepo, $aliases);
     try {
         $this->suggestedPackages = array();
         $res = $this->doInstall($localRepo, $installedRepo, $platformRepo, $aliases, $this->devMode);
         if ($res !== 0) {
             return $res;
         }
     } catch (\Exception $e) {
         $this->installationManager->notifyInstalls();
         throw $e;
     }
     $this->installationManager->notifyInstalls();
     // output suggestions if we're in dev mode
     if ($this->devMode) {
         foreach ($this->suggestedPackages as $suggestion) {
             $target = $suggestion['target'];
             foreach ($installedRepo->getPackages() as $package) {
                 if (in_array($target, $package->getNames())) {
                     continue 2;
                 }
             }
             $this->io->writeError($suggestion['source'] . ' suggests installing ' . $suggestion['target'] . ' (' . $suggestion['reason'] . ')');
         }
     }
     # Find abandoned packages and warn user
     foreach ($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("<error>Package %s is abandoned, you should avoid using it. %s.</error>", $package->getPrettyName(), $replacement));
     }
     if (!$this->dryRun) {
         // write lock
         if ($this->update || !$this->locker->isLocked()) {
             $localRepo->reload();
             // if this is not run in dev mode and the root has dev requires, the lock must
             // contain null to prevent dev installs from a non-dev lock
             $devPackages = $this->devMode || !$this->package->getDevRequires() ? array() : null;
             // split dev and non-dev requirements by checking what would be removed if we update without the dev requirements
             if ($this->devMode && $this->package->getDevRequires()) {
                 $policy = $this->createPolicy();
                 $pool = $this->createPool(true);
                 $pool->addRepository($installedRepo, $aliases);
                 // creating requirements request
                 $request = $this->createRequest($pool, $this->package, $platformRepo);
                 $request->updateAll();
                 foreach ($this->package->getRequires() as $link) {
                     $request->install($link->getTarget(), $link->getConstraint());
                 }
                 $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request);
                 $solver = new Solver($policy, $pool, $installedRepo);
                 $ops = $solver->solve($request, $this->ignorePlatformReqs);
                 $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request, $ops);
                 foreach ($ops as $op) {
                     if ($op->getJobType() === 'uninstall') {
                         $devPackages[] = $op->getPackage();
                     }
                 }
             }
             $platformReqs = $this->extractPlatformRequirements($this->package->getRequires());
             $platformDevReqs = $this->devMode ? $this->extractPlatformRequirements($this->package->getDevRequires()) : array();
             $updatedLock = $this->locker->setLockData(array_diff($localRepo->getCanonicalPackages(), (array) $devPackages), $devPackages, $platformReqs, $platformDevReqs, $aliases, $this->package->getMinimumStability(), $this->package->getStabilityFlags(), $this->preferStable || $this->package->getPreferStable(), $this->preferLowest);
             if ($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);
             $this->autoloadGenerator->dump($this->config, $localRepo, $this->package, $this->installationManager, 'composer', $this->optimizeAutoloader);
         }
         if ($this->runScripts) {
             // dispatch post event
             $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
             $this->eventDispatcher->dispatchScript($eventName, $this->devMode);
         }
         $vendorDir = $this->config->get('vendor-dir');
         if (is_dir($vendorDir)) {
             touch($vendorDir);
         }
     }
     return 0;
 }
Beispiel #2
0
 /**
  * Run installation (or update)
  */
 public function run()
 {
     if ($this->dryRun) {
         $this->verbose = true;
         $this->runScripts = false;
         $this->installationManager->addInstaller(new NoopInstaller());
         $this->mockLocalRepositories($this->repositoryManager);
     }
     // TODO remove this BC feature at some point
     // purge old require-dev packages to avoid conflicts with the new way of handling dev requirements
     $devRepo = new InstalledFilesystemRepository(new JsonFile($this->config->get('vendor-dir') . '/composer/installed_dev.json'));
     if ($devRepo->getPackages()) {
         $this->io->write('<warning>BC Notice: Removing old dev packages to migrate to the new require-dev handling.</warning>');
         foreach ($devRepo->getPackages() as $package) {
             if ($this->installationManager->isPackageInstalled($devRepo, $package)) {
                 $this->installationManager->uninstall($devRepo, new UninstallOperation($package));
             }
         }
         unlink($this->config->get('vendor-dir') . '/composer/installed_dev.json');
     }
     unset($devRepo, $package);
     // end BC
     if ($this->preferSource) {
         $this->downloadManager->setPreferSource(true);
     }
     if ($this->preferDist) {
         $this->downloadManager->setPreferDist(true);
     }
     // create installed repo, this contains all local packages + platform packages (php & extensions)
     $installedRootPackage = clone $this->package;
     $installedRootPackage->setRequires(array());
     $installedRootPackage->setDevRequires(array());
     $localRepo = $this->repositoryManager->getLocalRepository();
     $platformRepo = new PlatformRepository();
     $repos = array($localRepo, new InstalledArrayRepository(array($installedRootPackage)), $platformRepo);
     $installedRepo = new CompositeRepository($repos);
     if ($this->additionalInstalledRepository) {
         $installedRepo->addRepository($this->additionalInstalledRepository);
     }
     $aliases = $this->getRootAliases();
     $this->aliasPlatformPackages($platformRepo, $aliases);
     if ($this->runScripts) {
         // dispatch pre event
         $eventName = $this->update ? ScriptEvents::PRE_UPDATE_CMD : ScriptEvents::PRE_INSTALL_CMD;
         $this->eventDispatcher->dispatchCommandEvent($eventName, $this->devMode);
     }
     try {
         $this->suggestedPackages = array();
         if (!$this->doInstall($localRepo, $installedRepo, $platformRepo, $aliases, $this->devMode)) {
             return false;
         }
     } catch (\Exception $e) {
         $this->installationManager->notifyInstalls();
         throw $e;
     }
     $this->installationManager->notifyInstalls();
     // output suggestions
     foreach ($this->suggestedPackages as $suggestion) {
         $target = $suggestion['target'];
         foreach ($installedRepo->getPackages() as $package) {
             if (in_array($target, $package->getNames())) {
                 continue 2;
             }
         }
         $this->io->write($suggestion['source'] . ' suggests installing ' . $suggestion['target'] . ' (' . $suggestion['reason'] . ')');
     }
     if (!$this->dryRun) {
         // write lock
         if ($this->update || !$this->locker->isLocked()) {
             $localRepo->reload();
             // if this is not run in dev mode and the root has dev requires, the lock must
             // contain null to prevent dev installs from a non-dev lock
             $devPackages = $this->devMode || !$this->package->getDevRequires() ? array() : null;
             // split dev and non-dev requirements by checking what would be removed if we update without the dev requirements
             if ($this->devMode && $this->package->getDevRequires()) {
                 $policy = $this->createPolicy();
                 $pool = $this->createPool();
                 $pool->addRepository($installedRepo, $aliases);
                 // creating requirements request
                 $request = $this->createRequest($pool, $this->package, $platformRepo);
                 $request->updateAll();
                 foreach ($this->package->getRequires() as $link) {
                     $request->install($link->getTarget(), $link->getConstraint());
                 }
                 $solver = new Solver($policy, $pool, $installedRepo);
                 $ops = $solver->solve($request);
                 foreach ($ops as $op) {
                     if ($op->getJobType() === 'uninstall') {
                         $devPackages[] = $op->getPackage();
                     }
                 }
             }
             $platformReqs = $this->extractPlatformRequirements($this->package->getRequires());
             $platformDevReqs = $this->devMode ? $this->extractPlatformRequirements($this->package->getDevRequires()) : array();
             $updatedLock = $this->locker->setLockData(array_diff($localRepo->getPackages(), (array) $devPackages), $devPackages, $platformReqs, $platformDevReqs, $aliases, $this->package->getMinimumStability(), $this->package->getStabilityFlags());
             if ($updatedLock) {
                 $this->io->write('<info>Writing lock file</info>');
             }
         }
         // write autoloader
         $this->io->write('<info>Generating autoload files</info>');
         $this->autoloadGenerator->dump($this->config, $localRepo, $this->package, $this->installationManager, 'composer', $this->optimizeAutoloader);
         if ($this->runScripts) {
             // dispatch post event
             $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
             $this->eventDispatcher->dispatchCommandEvent($eventName, $this->devMode);
         }
     }
     return true;
 }
Beispiel #3
0
 /**
  * Run installation (or update)
  *
  * @throws \Exception
  * @return int        0 on success or a positive error code on failure
  */
 public function run()
 {
     // Disable GC to save CPU cycles, as the dependency solver can create hundreds of thousands
     // of PHP objects, the GC can spend quite some time walking the tree of references looking
     // for stuff to collect while there is nothing to collect. This slows things down dramatically
     // and turning it off results in much better performance. Do not try this at home however.
     gc_collect_cycles();
     gc_disable();
     if ($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);
     // clone root package to have one in the installed repo that does not require anything
     // we don't want it to be uninstallable, but its requirements should not conflict
     // with the lock file for example
     $installedRootPackage = clone $this->package;
     $installedRootPackage->setRequires(array());
     $installedRootPackage->setDevRequires(array());
     // create installed repo, this contains all local packages + platform packages (php & extensions)
     $localRepo = $this->repositoryManager->getLocalRepository();
     if (!$this->update && $this->locker->isLocked()) {
         $platformOverrides = $this->locker->getPlatformOverrides();
     } else {
         $platformOverrides = $this->config->get('platform') ?: array();
     }
     $platformRepo = new PlatformRepository(array(), $platformOverrides);
     $repos = array($localRepo, new InstalledArrayRepository(array($installedRootPackage)), $platformRepo);
     $installedRepo = new CompositeRepository($repos);
     if ($this->additionalInstalledRepository) {
         $installedRepo->addRepository($this->additionalInstalledRepository);
     }
     $aliases = $this->getRootAliases();
     $this->aliasPlatformPackages($platformRepo, $aliases);
     try {
         $this->suggestedPackages = array();
         $res = $this->doInstall($localRepo, $installedRepo, $platformRepo, $aliases, $this->devMode);
         if ($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 ($this->devMode) {
         foreach ($this->suggestedPackages as $suggestion) {
             $target = $suggestion['target'];
             foreach ($installedRepo->getPackages() as $package) {
                 if (in_array($target, $package->getNames())) {
                     continue 2;
                 }
             }
             $this->io->writeError($suggestion['source'] . ' suggests installing ' . $suggestion['target'] . ' (' . $suggestion['reason'] . ')');
         }
     }
     # Find abandoned packages and warn user
     foreach ($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 ($this->update || !$this->locker->isLocked()) {
             $localRepo->reload();
             // if this is not run in dev mode and the root has dev requires, the lock must
             // contain null to prevent dev installs from a non-dev lock
             $devPackages = $this->devMode || !$this->package->getDevRequires() ? array() : null;
             // split dev and non-dev requirements by checking what would be removed if we update without the dev requirements
             if ($this->devMode && $this->package->getDevRequires()) {
                 $policy = $this->createPolicy();
                 $pool = $this->createPool(true);
                 $pool->addRepository($installedRepo, $aliases);
                 // creating requirements request
                 $request = $this->createRequest($this->package, $platformRepo);
                 $request->updateAll();
                 foreach ($this->package->getRequires() as $link) {
                     $request->install($link->getTarget(), $link->getConstraint());
                 }
                 $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::PRE_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request);
                 $solver = new Solver($policy, $pool, $installedRepo);
                 $ops = $solver->solve($request, $this->ignorePlatformReqs);
                 $this->eventDispatcher->dispatchInstallerEvent(InstallerEvents::POST_DEPENDENCIES_SOLVING, false, $policy, $pool, $installedRepo, $request, $ops);
                 foreach ($ops as $op) {
                     if ($op->getJobType() === 'uninstall') {
                         $devPackages[] = $op->getPackage();
                     }
                 }
             }
             $platformReqs = $this->extractPlatformRequirements($this->package->getRequires());
             $platformDevReqs = $this->devMode ? $this->extractPlatformRequirements($this->package->getDevRequires()) : array();
             $updatedLock = $this->locker->setLockData(array_diff($localRepo->getCanonicalPackages(), (array) $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) {
             // dispatch post event
             $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
             $this->eventDispatcher->dispatchScript($eventName, $this->devMode);
         }
         $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($vendorDir);
         }
     }
     // re-enable GC except on HHVM which triggers a warning here
     if (!defined('HHVM_VERSION')) {
         gc_enable();
     }
     return 0;
 }
Beispiel #4
0
 /**
  * Run installation (or update)
  *
  * @throws \Exception
  * @return int        0 on success or a positive error code on failure
  */
 public function run()
 {
     // Disable GC to save CPU cycles, as the dependency solver can create hundreds of thousands
     // of PHP objects, the GC can spend quite some time walking the tree of references looking
     // for stuff to collect while there is nothing to collect. This slows things down dramatically
     // and turning it off results in much better performance. Do not try this at home however.
     gc_collect_cycles();
     gc_disable();
     // Force update if there is no lock file present
     if (!$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($vendorDir);
         }
     }
     // re-enable GC except on HHVM which triggers a warning here
     if (!defined('HHVM_VERSION')) {
         gc_enable();
     }
     return 0;
 }
Beispiel #5
0
 /**
  * Run installation (or update)
  */
 public function run()
 {
     if ($this->dryRun) {
         $this->verbose = true;
         $this->runScripts = false;
         $this->installationManager->addInstaller(new NoopInstaller());
         $this->mockLocalRepositories($this->repositoryManager);
     }
     if ($this->preferSource) {
         $this->downloadManager->setPreferSource(true);
     }
     if ($this->preferDist) {
         $this->downloadManager->setPreferDist(true);
     }
     // create installed repo, this contains all local packages + platform packages (php & extensions)
     $installedRootPackage = clone $this->package;
     $installedRootPackage->setRequires(array());
     $installedRootPackage->setDevRequires(array());
     $platformRepo = new PlatformRepository();
     $repos = array_merge($this->repositoryManager->getLocalRepositories(), array(new InstalledArrayRepository(array($installedRootPackage)), $platformRepo));
     $installedRepo = new CompositeRepository($repos);
     if ($this->additionalInstalledRepository) {
         $installedRepo->addRepository($this->additionalInstalledRepository);
     }
     $aliases = $this->getRootAliases();
     $this->aliasPlatformPackages($platformRepo, $aliases);
     if ($this->runScripts) {
         // dispatch pre event
         $eventName = $this->update ? ScriptEvents::PRE_UPDATE_CMD : ScriptEvents::PRE_INSTALL_CMD;
         $this->eventDispatcher->dispatchCommandEvent($eventName, $this->devMode);
     }
     try {
         $this->suggestedPackages = array();
         if (!$this->doInstall($this->repositoryManager->getLocalRepository(), $installedRepo, $aliases)) {
             return false;
         }
         if ($this->devMode) {
             if (!$this->doInstall($this->repositoryManager->getLocalDevRepository(), $installedRepo, $aliases, true)) {
                 return false;
             }
         }
     } catch (\Exception $e) {
         $this->installationManager->notifyInstalls();
         throw $e;
     }
     $this->installationManager->notifyInstalls();
     // output suggestions
     foreach ($this->suggestedPackages as $suggestion) {
         $target = $suggestion['target'];
         if ($installedRepo->filterPackages(function (PackageInterface $package) use($target) {
             if (in_array($target, $package->getNames())) {
                 return false;
             }
         })) {
             $this->io->write($suggestion['source'] . ' suggests installing ' . $suggestion['target'] . ' (' . $suggestion['reason'] . ')');
         }
     }
     if (!$this->dryRun) {
         // write lock
         if ($this->update || !$this->locker->isLocked()) {
             $updatedLock = $this->locker->setLockData($this->repositoryManager->getLocalRepository()->getPackages(), $this->devMode ? $this->repositoryManager->getLocalDevRepository()->getPackages() : null, $aliases, $this->package->getMinimumStability(), $this->package->getStabilityFlags());
             if ($updatedLock) {
                 $this->io->write('<info>Writing lock file</info>');
             }
         }
         // write autoloader
         $this->io->write('<info>Generating autoload files</info>');
         $localRepos = new CompositeRepository($this->repositoryManager->getLocalRepositories());
         $this->autoloadGenerator->dump($this->config, $localRepos, $this->package, $this->installationManager, 'composer', $this->optimizeAutoloader);
         if ($this->runScripts) {
             // dispatch post event
             $eventName = $this->update ? ScriptEvents::POST_UPDATE_CMD : ScriptEvents::POST_INSTALL_CMD;
             $this->eventDispatcher->dispatchCommandEvent($eventName, $this->devMode);
         }
     }
     return true;
 }