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255 lines
12 KiB
PHP
255 lines
12 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Repository;
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use Composer\Package\Version\VersionParser;
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use Composer\Semver\Constraint\ConstraintInterface;
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use Composer\Semver\Constraint\Constraint;
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use Composer\Semver\Constraint\MatchAllConstraint;
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use Composer\Package\RootPackageInterface;
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use Composer\Package\Link;
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/**
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* Installed repository is a composite of all installed repo types.
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*
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* The main use case is tagging a repo as an "installed" repository, and offering a way to get providers/replacers easily.
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*
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* Installed repos are LockArrayRepository, InstalledRepositoryInterface, RootPackageRepository and PlatformRepository
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*
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class InstalledRepository extends CompositeRepository
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{
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public function findPackagesWithReplacersAndProviders($name, $constraint = null)
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{
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$name = strtolower($name);
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if (null !== $constraint && !$constraint instanceof ConstraintInterface) {
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$versionParser = new VersionParser();
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$constraint = $versionParser->parseConstraints($constraint);
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}
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$matches = array();
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foreach ($this->getRepositories() as $repo) {
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foreach ($repo->getPackages() as $candidate) {
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if ($name === $candidate->getName()) {
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if (null === $constraint || $constraint->matches(new Constraint('==', $candidate->getVersion()))) {
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$matches[] = $candidate;
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}
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continue;
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}
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foreach (array_merge($candidate->getProvides(), $candidate->getReplaces()) as $link) {
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if (
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$name === $link->getTarget()
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&& ($constraint === null || $link->getConstraint() === null || $constraint->matches($link->getConstraint()))
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) {
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$matches[] = $candidate;
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continue 2;
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}
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}
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}
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}
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return $matches;
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}
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/**
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* Returns a list of links causing the requested needle packages to be installed, as an associative array with the
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* dependent's name as key, and an array containing in order the PackageInterface and Link describing the relationship
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* as values. If recursive lookup was requested a third value is returned containing an identically formed array up
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* to the root package. That third value will be false in case a circular recursion was detected.
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*
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* @param string|string[] $needle The package name(s) to inspect.
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* @param ConstraintInterface|null $constraint Optional constraint to filter by.
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* @param bool $invert Whether to invert matches to discover reasons for the package *NOT* to be installed.
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* @param bool $recurse Whether to recursively expand the requirement tree up to the root package.
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* @param string[] $packagesFound Used internally when recurring
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* @return array An associative array of arrays as described above.
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*/
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public function getDependents($needle, $constraint = null, $invert = false, $recurse = true, $packagesFound = null)
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{
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$needles = array_map('strtolower', (array) $needle);
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$results = array();
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// initialize the array with the needles before any recursion occurs
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if (null === $packagesFound) {
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$packagesFound = $needles;
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}
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// locate root package for use below
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$rootPackage = null;
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foreach ($this->getPackages() as $package) {
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if ($package instanceof RootPackageInterface) {
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$rootPackage = $package;
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break;
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}
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}
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// Loop over all currently installed packages.
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foreach ($this->getPackages() as $package) {
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$links = $package->getRequires();
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// each loop needs its own "tree" as we want to show the complete dependent set of every needle
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// without warning all the time about finding circular deps
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$packagesInTree = $packagesFound;
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// Replacements are considered valid reasons for a package to be installed during forward resolution
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if (!$invert) {
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$links += $package->getReplaces();
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// On forward search, check if any replaced package was required and add the replaced
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// packages to the list of needles. Contrary to the cross-reference link check below,
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// replaced packages are the target of links.
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foreach ($package->getReplaces() as $link) {
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foreach ($needles as $needle) {
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if ($link->getSource() === $needle) {
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if ($constraint === null || ($link->getConstraint()->matches($constraint) === !$invert)) {
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// already displayed this node's dependencies, cutting short
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if (in_array($link->getTarget(), $packagesInTree)) {
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$results[] = array($package, $link, false);
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continue;
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}
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$packagesInTree[] = $link->getTarget();
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$dependents = $recurse ? $this->getDependents($link->getTarget(), null, false, true, $packagesInTree) : array();
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$results[] = array($package, $link, $dependents);
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$needles[] = $link->getTarget();
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}
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}
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}
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}
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}
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// Require-dev is only relevant for the root package
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if ($package instanceof RootPackageInterface) {
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$links += $package->getDevRequires();
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}
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// Cross-reference all discovered links to the needles
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foreach ($links as $link) {
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foreach ($needles as $needle) {
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if ($link->getTarget() === $needle) {
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if ($constraint === null || ($link->getConstraint()->matches($constraint) === !$invert)) {
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// already displayed this node's dependencies, cutting short
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if (in_array($link->getSource(), $packagesInTree)) {
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$results[] = array($package, $link, false);
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continue;
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}
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$packagesInTree[] = $link->getSource();
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$dependents = $recurse ? $this->getDependents($link->getSource(), null, false, true, $packagesInTree) : array();
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$results[] = array($package, $link, $dependents);
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}
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}
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}
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}
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// When inverting, we need to check for conflicts of the needles against installed packages
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if ($invert && in_array($package->getName(), $needles)) {
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foreach ($package->getConflicts() as $link) {
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foreach ($this->findPackages($link->getTarget()) as $pkg) {
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$version = new Constraint('=', $pkg->getVersion());
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if ($link->getConstraint()->matches($version) === $invert) {
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$results[] = array($package, $link, false);
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}
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}
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}
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}
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// When inverting, we need to check for conflicts of the needles' requirements against installed packages
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if ($invert && $constraint && in_array($package->getName(), $needles) && $constraint->matches(new Constraint('=', $package->getVersion()))) {
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foreach ($package->getRequires() as $link) {
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if (PlatformRepository::isPlatformPackage($link->getTarget())) {
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if ($this->findPackage($link->getTarget(), $link->getConstraint())) {
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continue;
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}
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$platformPkg = $this->findPackage($link->getTarget(), '*');
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$description = $platformPkg ? 'but '.$platformPkg->getPrettyVersion().' is installed' : 'but it is missing';
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$results[] = array($package, new Link($package->getName(), $link->getTarget(), new MatchAllConstraint, Link::TYPE_REQUIRE, $link->getPrettyConstraint().' '.$description), false);
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continue;
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}
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foreach ($this->getPackages() as $pkg) {
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if (!in_array($link->getTarget(), $pkg->getNames())) {
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continue;
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}
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$version = new Constraint('=', $pkg->getVersion());
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if ($link->getTarget() !== $pkg->getName()) {
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foreach (array_merge($pkg->getReplaces(), $pkg->getProvides()) as $prov) {
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if ($link->getTarget() === $prov->getTarget()) {
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$version = $prov->getConstraint();
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break;
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}
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}
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}
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if (!$link->getConstraint()->matches($version)) {
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// if we have a root package (we should but can not guarantee..) we show
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// the root requires as well to perhaps allow to find an issue there
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if ($rootPackage) {
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foreach (array_merge($rootPackage->getRequires(), $rootPackage->getDevRequires()) as $rootReq) {
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if (in_array($rootReq->getTarget(), $pkg->getNames()) && !$rootReq->getConstraint()->matches($link->getConstraint())) {
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$results[] = array($package, $link, false);
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$results[] = array($rootPackage, $rootReq, false);
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continue 3;
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}
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}
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$results[] = array($package, $link, false);
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$results[] = array($rootPackage, new Link($rootPackage->getName(), $link->getTarget(), new MatchAllConstraint, 'does not require', 'but ' . $pkg->getPrettyVersion() . ' is installed'), false);
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} else {
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// no root so let's just print whatever we found
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$results[] = array($package, $link, false);
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}
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}
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continue 2;
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}
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}
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}
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}
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ksort($results);
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return $results;
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}
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public function getRepoName()
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{
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return 'installed repo ('.implode(', ', array_map(function ($repo) {
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return $repo->getRepoName();
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}, $this->getRepositories())).')';
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}
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/**
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* Add a repository.
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* @param RepositoryInterface $repository
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*/
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public function addRepository(RepositoryInterface $repository)
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{
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if (
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$repository instanceof LockArrayRepository
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|| $repository instanceof InstalledRepositoryInterface
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|| $repository instanceof RootPackageRepository
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|| $repository instanceof PlatformRepository
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) {
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return parent::addRepository($repository);
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}
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throw new \LogicException('An InstalledRepository can not contain a repository of type '.get_class($repository).' ('.$repository->getRepoName().')');
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}
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}
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