/**
* Returns the packages selected in the console arguments.
*
* @param Args $args The console arguments.
* @param PackageCollection $packages The available packages.
*
* @return string[] The package names.
*/
public static function getPackageNames(Args $args, PackageCollection $packages)
{
// Display all packages if "all" is set
if ($args->isOptionSet('all')) {
return $packages->getPackageNames();
}
$packageNames = array();
if ($args->isOptionSet('root')) {
$packageNames[] = $packages->getRootPackage()->getName();
}
foreach ($args->getOption('package') as $packageName) {
$packageNames[] = $packageName;
}
return $packageNames ?: $packages->getPackageNames();
}
/**
* Creates an override graph for the given packages.
*
* @param PackageCollection $packages The packages to load.
*
* @return static The created override graph.
*/
public static function forPackages(PackageCollection $packages)
{
$graph = new static($packages->getPackageNames());
foreach ($packages as $package) {
foreach ($package->getPackageFile()->getOverriddenPackages() as $overriddenPackage) {
if ($graph->hasPackageName($overriddenPackage)) {
$graph->addEdge($overriddenPackage, $package->getName());
}
}
}
// Make sure we have numeric, ascending keys here
$packageOrder = array_values($packages->getRootPackage()->getPackageFile()->getOverrideOrder());
// Each package overrides the previous one in the list
for ($i = 1, $l = count($packageOrder); $i < $l; ++$i) {
$overriddenPackage = $packageOrder[$i - 1];
$overridingPackage = $packageOrder[$i];
if ($graph->hasPackageName($overriddenPackage)) {
$graph->addEdge($overriddenPackage, $overridingPackage);
}
}
return $graph;
}
