$this->clearCache();
$supportedOps = array( 'create', 'store', 'copy', 'move', 'delete', 'describe', 'null' );
+ // Parallel ops may be disabled in config due to dependencies (e.g. needing popen())
$async = ( $this->parallelize === 'implicit' && count( $ops ) > 1 );
$maxConcurrency = $this->concurrency; // throttle
// or the backend does not support async ops and did it synchronously.
foreach ( $performOpsBatch as $i => $fileOp ) {
if ( !isset( $status->success[$i] ) ) { // didn't already fail in precheck()
- $subStatus = $fileOp->attemptAsync();
+ // Parallel ops may be disabled in config due to missing dependencies,
+ // (e.g. needing popen()). When they are, $performOpsBatch has size 1.
+ $subStatus = ( count( $performOpsBatch ) > 1 )
+ ? $fileOp->attemptAsync()
+ : $fileOp->attempt();
if ( $subStatus->value instanceof FileBackendStoreOpHandle ) {
$opHandles[$i] = $subStatus->value; // deferred
} else {