src/GitWorkingCopy.php
public function isCloned(): bool
    {
        if ($this->cloned === null) {
            $gitDir = $this->directory;
            if (is_dir($gitDir . '/.git')) {
                $gitDir .= '/.git';
            }

            $this->cloned = is_dir($gitDir . '/objects') && is_dir($gitDir . '/refs') && is_file($gitDir . '/HEAD');
        }

        return $this->cloned;
    }
public function isCloned(): bool
    {
        if ($this->cloned === null) {
            $gitDir = $this->directory;
            if (is_dir($gitDir . '/.git')) {
                $gitDir .= '/.git';
            }

            $this->cloned = is_dir($gitDir . '/objects') && is_dir($gitDir . '/refs') && is_file($gitDir . '/HEAD');
        }

        return $this->cloned;
    }
public function isCloned ( ) : bool { if ( $ this -> cloned === null ) { $ gitDir = $ this -> directory ; if ( is_dir ( $ gitDir . '/.git' ) ) { $ gitDir .= '/.git' ; } $ this -> cloned = is_dir ( $ gitDir . '/objects' ) && is_dir ( $ gitDir . '/refs' ) && is_file ( $ gitDir . '/HEAD' ) ; } return $ this -> cloned ; }
Checks whether a repository has already been cloned to this directory.

If the flag is not set, test if it looks like we're at a git directory.
Checks whether a repository has already been cloned to this directory .