+ $this->basedir = "{$dir}/.git";
+ if ( is_readable( $this->basedir ) ) {
+ $GITfile = file_get_contents( $this->basedir );
+ if ( strlen( $GITfile ) > 8 && substr( $GITfile, 0, 8 ) === 'gitdir: ' ) {
+ $path = rtrim( substr( $GITfile, 8 ), "\r\n" );
+ $isAbsolute = $path[0] === '/' || substr( $path, 1, 1 ) === ':';
+ $this->basedir = $isAbsolute ? $path : "{$dir}/{$path}";
+ }
+ }