diff --git a/src/Composer/Cache.php b/src/Composer/Cache.php index 6bdf43d5d..83f8f1763 100644 --- a/src/Composer/Cache.php +++ b/src/Composer/Cache.php @@ -83,7 +83,28 @@ class Cache $this->io->write('Writing '.$this->root . $file.' into cache'); } - return file_put_contents($this->root . $file, $contents); + try { + return file_put_contents($this->root . $file, $contents); + } catch(\ErrorException $e) { + if (preg_match('{^file_put_contents\(\): Only ([0-9]+) of ([0-9]+) bytes written}', $e->getMessage(), $m)) { + // Remove partial file. + unlink($this->root . $file); + + $message = sprintf( + 'Writing %1$s into cache failed after %2$u of %3$u bytes written, only %4$u bytes of free space available', + $this->root . $file, + $m[1], + $m[2], + @disk_free_space($this->root . dirname($file)) + ); + + $this->io->write($message); + + return false; + } + + throw $e; + } } return false;