src/Manager.php
public function update($binaryName = '')
    {
        if ($binaryName) {
            $this->updateSingle($binaryName);
            return;
        }

        foreach ($this->binaries as $binary) {
            $binary->fetchAndSave($this->getInstallPath());
        }
    }
public function update($binaryName = '')
    {
        if ($binaryName) {
            $this->updateSingle($binaryName);
            return;
        }

        foreach ($this->binaries as $binary) {
            $binary->fetchAndSave($this->getInstallPath());
        }
    }
Fetch and save binaries.

@return bool