/**
* @param array dependency information (2.0 format)
* @param boolean whether this is a required dependency
* @param array a list of downloaded packages to be installed, if any
*/
function validatePackageDependency(\PEAR2\Pyrus\PackageFile\v2\Dependencies\Package $dep, $params)
{
if ($this->_state != Validate::INSTALLING && $this->_state != Validate::DOWNLOADING) {
return true;
}
$required = $dep->deptype == 'required';
if (isset($dep->providesextension)) {
if ($this->extension_loaded($dep->providesextension)) {
$req = $required ? 'required' : 'optional';
$info = $dep->getInfo();
$info['name'] = $info['providesextension'];
$subdep = new \PEAR2\Pyrus\PackageFile\v2\Dependencies\Package($req, 'extension', null, $info, 0);
$ret = $this->validateExtensionDependency($subdep);
if ($ret === true) {
return true;
}
}
}
if ($this->_state == Validate::INSTALLING) {
return $this->_validatePackageInstall($dep);
}
if ($this->_state == Validate::DOWNLOADING) {
return $this->_validatePackageDownload($dep, $params);
}
}
/**
* Figure out which version is best, and use this, or error out if none work
* @param \PEAR2\Pyrus\PackageFile\v2\Dependencies\Package $compositeDep
* the composite of all dependencies on this package, as calculated
* by {@link \PEAR2\Pyrus\Package\Dependency::getCompositeDependency()}
*/
function figureOutBestVersion(\PEAR2\Pyrus\PackageFile\v2\Dependencies\Package $compositeDep, $versions = null, \PEAR2\Pyrus\PackageFile\v2\Dependencies\Package $compositeConflictingDep = null)
{
// set up release list if not done yet
$this->rewind();
$ok = \PEAR2\Pyrus\Installer::betterStates($this->minimumStability, true);
$v = $this->explicitVersion;
$n = $this->channel . '/' . $this->name;
$failIfExplicit = function ($versioninfo) use($v, $n) {
if ($v && $versioninfo['v'] == $v) {
throw new Exception($n . ' Cannot be installed, it does not satisfy ' . 'all dependencies');
}
};
foreach ($this->releaseList as $versioninfo) {
if (isset(\PEAR2\Pyrus\Main::$options['force'])) {
// found one
if ($this->versionSet && $versioninfo['v'] != $this->version['release']) {
// inform the installer we need to reset dependencies
$this->version['release'] = $versioninfo['v'];
return true;
}
$this->version['release'] = $versioninfo['v'];
return;
}
if ($versions && !in_array($versioninfo['v'], $versions)) {
continue;
}
if (!isset(\PEAR2\Pyrus\Main::$options['force']) && isset($versioninfo['m'])) {
// minimum PHP version required
if (version_compare($versioninfo['m'], $this->getPHPVersion(), '>')) {
$failIfExplicit($versioninfo);
continue;
}
}
if (!in_array($versioninfo['s'], $ok) && !isset(\PEAR2\Pyrus\Main::$options['force'])) {
// release is not stable enough
continue;
}
if ($this->explicitVersion && $versioninfo['v'] != $this->explicitVersion) {
continue;
}
if (!$compositeDep->satisfied($versioninfo['v'])) {
$failIfExplicit($versioninfo);
continue;
}
if ($compositeConflictingDep && !$compositeConflictingDep->satisfied($versioninfo['v'])) {
$failIfExplicit($versioninfo);
continue;
}
$paranoia = \PEAR2\Pyrus\Main::getParanoiaLevel();
if (!$this->explicitVersion && $paranoia > 1) {
// first, we check to see if we are upgrading
if (isset(\PEAR2\Pyrus\Main::$options['upgrade'])) {
// now we check to see if we are installed
if (isset(Config::current()->registry->package[$n])) {
$installed = Config::current()->registry->info($this->name, $this->channel, 'apiversion');
$installed = explode('.', $installed);
if (count($installed) == 2) {
$installed[] = '0';
}
if (count($installed) == 1) {
$installed[] = '0';
$installed[] = '0';
}
if (isset($this->parent->protocols->rest['REST1.3'])) {
$api = $this->rest->retrieveCacheFirst($this->parent->protocols->rest['REST1.3']->baseurl . 'r/' . strtolower($this->name) . '/v2.' . $versioninfo['v'] . '.xml');
} else {
throw new Exception('Channel ' . $this->channel . ' does not support ' . 'a paranoia greater than 1');
}
$api = explode('.', $api['a']);
if (count($api) == 2) {
$api[] = '0';
}
if (count($api) == 1) {
$api[] = '0';
$api[] = '0';
}
if ($paranoia > 4) {
$paranoia = 4;
}
switch ($paranoia) {
case 4:
if ($installed != $api) {
Logger::log(0, 'Skipping ' . $this->channel . '/' . $this->name . ' version ' . $versioninfo['v'] . ', API has changed');
continue 2;
}
break;
case 3:
if ($installed[0] == $api[0] && $installed[1] != $api[1]) {
Logger::log(0, 'Skipping ' . $this->channel . '/' . $this->name . ' version ' . $versioninfo['v'] . ', API has added' . ' new features');
continue 2;
}
// break intentionally omitted
// break intentionally omitted
case 2:
if ($installed[0] != $api[0]) {
Logger::log(0, 'Skipping ' . $this->channel . '/' . $this->name . ' version ' . $versioninfo['v'] . ', API breaks' . ' backwards compatibility');
continue 2;
}
break;
}
}
}
}
// found one
if ($this->versionSet && $versioninfo['v'] != $this->version['release']) {
// inform the installer we need to reset dependencies
$this->version['release'] = $versioninfo['v'];
return true;
}
$this->version['release'] = $versioninfo['v'];
return;
}
throw new Exception('Unable to locate a package release for ' . $this->channel . '/' . $this->name . ' that can satisfy all dependencies');
}
