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composer
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Avoid fetching non-existing files multiple times

pull/8561/head
Jordi Boggiano 2020-01-30 08:40:35 +01:00
parent d18b5b6f2e
commit 8f09f3764b
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GPG Key ID: 7BBD42C429EC80BC
1 changed files with 12 additions and 0 deletions
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12
src/Composer/Repository/ComposerRepository.php
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@ -65,6 +65,12 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
private $rootData;
private $hasPartialPackages;
private $partialPackagesByName;
/**
* @var array list of package names which returned a 404 and should not be re-fetched in case loadPackage is called several times
* useful for v2 metadata repositories with lazy providers
*/
private $packagesNotFoundCache = array();
/**
* TODO v3 should make this private once we can drop PHP 5.3 support
* @private
@ -1079,6 +1085,10 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
{
$retries = 3;
if (isset($this->packagesNotFoundCache[$filename])) {
return \React\Promise\Util::promiseFor(array('packages' => array()));
}
$httpDownloader = $this->httpDownloader;
if ($this->eventDispatcher) {
$preFileDownloadEvent = new PreFileDownloadEvent(PluginEvents::PRE_FILE_DOWNLOAD, $this->httpDownloader, $filename);
@ -1095,6 +1105,7 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
$accept = function ($response) use ($io, $url, $cache, $cacheKey) {
// package not found is acceptable for a v2 protocol repository
if ($response->getStatusCode() === 404) {
$this->packagesNotFoundCache[$filename] = true;
return array('packages' => array());
}
@ -1119,6 +1130,7 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
$reject = function ($e) use (&$retries, $httpDownloader, $filename, $options, &$reject, $accept, $io, $url, &$degradedMode) {
if ($e instanceof TransportException && $e->getStatusCode() === 404) {
$this->packagesNotFoundCache[$filename] = true;
return false;
}