src/Composer/Installer/PearInstaller.php
public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
    {
        $this->uninstall($repo, $initial);
        $this->install($repo, $target);
    }
public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
    {
        $this->uninstall($repo, $initial);
        $this->install($repo, $target);
    }
public function update ( InstalledRepositoryInterface $ repo , PackageInterface $ initial , PackageInterface $ target ) { $ this -> uninstall ( $ repo , $ initial ) ; $ this -> install ( $ repo , $ target ) ; }
{@inheritDoc}
{