function rewind()
{
$url = $this->parent->protocols->rest['REST1.0']->baseurl . 'p/packages.xml';
$this->packageList = $this->rest->retrieveCacheFirst($url);
$this->packageList = $this->packageList['p'];
if (!is_array($this->packageList)) {
$this->packageList = array($this->packageList);
}
if (isset($this->stability)) {
// filter the package list for packages of this stability or better
$ok = \PEAR2\Pyrus\Installer::betterStates($this->stability, true);
$filtered = array();
foreach ($this->packageList as $lowerpackage) {
if (isset($this->parent->protocols->rest['REST1.3'])) {
$info = $this->rest->retrieveCacheFirst($this->parent->protocols->rest['REST1.3']->baseurl .
'r/' . $lowerpackage . '/allreleases2.xml');
} else {
$info = $this->rest->retrieveCacheFirst($this->parent->protocols->rest['REST1.0']->baseurl .
'r/' . $lowerpackage . '/allreleases.xml');
}
if (!isset($info['r'][0])) {
$info['r'] = array($info['r']);
}
$releases = array();
foreach ($info['r'] as $release) {
if (!in_array($release['s'], $ok)) {
continue;
}
if (!isset($release['m'])) {
$release['m'] = '5.2.0';
}
$releases[] = $release;
}
if (!count($releases)) {
continue;
}
$filtered[] = array($lowerpackage, $releases);
}
$this->packageList = $filtered;
}
}
/**
*
* @param string|array pass in an array of format
* array(
* 'package' => 'pname',
* ['channel' => 'channame',]
* ['version' => 'version',]
* ['state' => 'state',])
* or a string of format [channame/]pname[-version|-state]
*/
protected function fromString($param)
{
try {
$pname = Config::parsePackageName($param, true);
} catch (\PEAR2\Pyrus\ChannelRegistry\ParseException $e) {
if ($e->why !== 'channel') {
throw new Exception('invalid package name/package file "' . $param . '"', $e);
}
if (Config::current()->auto_discover) {
try {
try {
$chan = new \PEAR2\Pyrus\Channel(
new \PEAR2\Pyrus\ChannelFile('https://' . $e->params['channel'] . '/channel.xml',
false, true));
} catch (\Exception $e) {
$chan = new \PEAR2\Pyrus\Channel(
new \PEAR2\Pyrus\ChannelFile('http://' . $e->params['channel'] . '/channel.xml',
false, true));
}
} catch (\Exception $e) {
throw new Exception('Cannot auto-discover channel ' . $e->params['channel'], $e);
}
Config::current()->channelregistry[] = $chan;
try {
Config::parsePackageName($param, Config::current()->default_channel);
} catch (\Exception $e) {
throw new Exception('invalid package name/package file "' . $param . '"', $e);
}
} else {
\PEAR2\Pyrus\Logger::log(0, 'Channel "' . $param['channel'] .
'" is not initialized, use ' .
'"pyrus channel-discover ' . $param['channel'] . '" to initialize' .
'or pyrus set auto_discover 1');
}
}
$this->parsedname = $pname;
$this->explicitVersion = isset($pname['version']) ? $pname['version'] : false;
$this->explicitState = isset($pname['state']) ? $pname['state'] : false;
$this->explicitGroup = isset($pname['group']) ? true : false;
$reg = Config::current()->registry;
$version = $reg->info($pname['package'], $pname['channel'], 'version');
$stability = $reg->info($pname['package'], $pname['channel'], 'state');
if (!isset(\PEAR2\Pyrus\Main::$options['force']) &&
!isset(\PEAR2\Pyrus\Main::$options['downloadonly']) &&
$version && $this->explicitVersion &&
!isset($pname['group'])) {
if (version_compare($version, $pname['version'], '>=')) {
throw new InstalledException(
Config::parsedPackageNameToString($pname, true) .
' is already installed and is newer than detected ' .
'release version ' . $pname['version']);
}
}
if (!$this->explicitVersion && $stability) {
// if installed, use stability of the installed package,
// but only if it is less restrictive than preferred_state.
// This allows automatic upgrade to a newer beta for 1 package
// even if preferred_state is stable, for instance.
$states = \PEAR2\Pyrus\Installer::betterStates(Config::current()->preferred_state);
$newstates = \PEAR2\Pyrus\Installer::betterStates($stability);
if (count($newstates) > count($states)) {
$this->explicitState = $stability;
}
}
$this->type = 'abstract';
$ret = $this->getRemotePackage($pname);
if ($this->explicitVersion) {
$ret->setExplicitVersion($this->explicitVersion);
$ret->version['release'] = $this->explicitVersion;
}
if ($this->explicitState) {
$ret->setExplicitState($this->explicitState);
}
return $ret;
}
/**
* Check to see if any packages in the list of packages to be installed
* satisfy this dependency, and return one if found, otherwise
* instantiate a new dependency package object
* @return \PEAR2\Pyrus\PackageInterface|NULL
*/
function retrieve(\PEAR2\Pyrus\PackageFile\v2\Dependencies\Package $info)
{
if (isset(self::$localPackages[$info->channel . '/' . $info->name])
|| $this->childProcessed($info->channel . '/' . $info->name)) {
// we can safely ignore this dependency, an explicit local
// package is being installed, and we will use it
// or the dependency has been previously processed, and we will
// simply result in a duplicate
return;
}
$reg = Config::current()->registry;
// first check to see if the dependency is installed
$canupgrade = false;
if (isset($reg->package[$info->channel . '/' . $info->name])) {
if (!isset(\PEAR2\Pyrus\Main::$options['upgrade'])) {
// we don't attempt to upgrade a dep unless we're upgrading
return;
}
$version = $reg->info($info->name, $info->channel, 'version');
$stability = $reg->info($info->name, $info->channel, 'state');
if ($this->node->isRemote() && $this->node->getExplicitState()) {
$installedstability = \PEAR2\Pyrus\Installer::betterStates($stability);
$parentstability = \PEAR2\Pyrus\Installer::betterStates($this->node->getExplicitState());
if (count($parentstability) > count($installedstability)) {
$stability = $this->node->getExplicitState();
}
} else {
$installedstability = \PEAR2\Pyrus\Installer::betterStates($stability);
$prefstability = \PEAR2\Pyrus\Installer::betterStates(Config::current()->preferred_state);
if (count($prefstability) > count($installedstability)) {
$stability = Config::current()->preferred_state;
}
}
// see if there are new versions in our stability or better
if (isset($info->uri)) {
return;
}
$remote = new \PEAR2\Pyrus\Channel\RemotePackage(Config::current()
->channelregistry[$info->channel], $stability);
$found = false;
foreach ($remote[$info->name] as $remoteversion => $rinfo) {
if (version_compare($remoteversion, $version, '<=')) {
continue;
}
if (version_compare($rinfo['minimumphp'], static::getPHPversion(), '>')) {
continue;
}
// found one, so upgrade is possible if dependencies pass
$found = true;
break;
}
// the installed package version satisfies this dependency, don't do anything
if (!$found) {
return;
}
$canupgrade = true;
}
if (isset($info->uri)) {
$ret = new \PEAR2\Pyrus\Package\Remote($info->uri);
// set up the basics
$ret->name = $info->name;
$ret->uri = $info->uri;
$this->addChild($ret);
return;
}
if ($this->node->isRemote() && $this->node->getExplicitState()) {
// pass the same explicit state to the child dependency
$ret = new \PEAR2\Pyrus\Package\Remote($info->channel . '/' . $info->name . '-' .
$this->node->getExplicitState());
if ($canupgrade) {
$ret->setUpgradeable();
}
$this->addChild($ret);
return;
}
$ret = new \PEAR2\Pyrus\Package\Remote($info->channel . '/' . $info->name);
if ($canupgrade) {
$ret->setUpgradeable();
}
$this->addChild($ret);
return;
}
/**
* 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');
}
