/**
* Find the compression of a file
*
* @param LocalFileNodeInterface $file
*
* @return string
*/
public function getCompression(LocalFileNodeInterface $file)
{
$cmd = "file --brief --uncompress --mime {$file->getPath()}";
$process = $this->getProcess($cmd);
$process->mustRun();
$result = $process->getOutput();
if (preg_match('/compressed-encoding=application\\/(?:x-)?(.+?);/i', $result, $matches)) {
if ($this->factory->isCompression($matches[1])) {
$this->log(LogLevel::DEBUG, "Found the compression for '{file}' as '{compression}'", ['file' => $file, 'compression' => $matches[1]]);
return $matches[1];
}
return CompressionFactory::TYPE_UNKNOWN;
}
return CompressionFactory::TYPE_NONE;
}
public function testIsCompression()
{
static::assertTrue($this->factory->isCompression(Gzip::NAME));
static::assertTrue($this->factory->isCompression(Zip::NAME));
static::assertFalse($this->factory->isCompression('lzop'));
}
