/**
     * svn list
     *
     * @param $repository string
     * @return boolean
     *
     */
    public static function ls($repository) {
        $command = \"sudo svn ls \" . $repository;
        $output = self::runCmd ( $command );
        $output = implode ( \"<br />\", $output );
        if (strpos ( $output, \'non-existent in that revision\' )) {
            return false;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn copy
     *
     * @param $src string
     * @param $dst string
     * @param $comment string
     * @return boolean
     *
     */
    public static function copy($src, $dst, $comment) {
        $command = \"sudo svn cp $src $dst -m \'$comment\'\";
        $output = self::runCmd ( $command );
        $output = implode ( \"<br />\", $output );
        if (strpos ( $output, \'Committed revision\' )) {
            return true;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn delete
     *
     * @param $url string
     * @param $comment string
     * @return boolean
     *
     */
    public static function delete($url, $comment) {
        $command = \"sudo svn del $url -m \'$comment\'\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        if (strpos ( $output, \'Committed revision\' )) {
            return true;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn move
     *
     * @param $src string
     * @param $dst string
     * @param $comment string
     * @return boolean
     */
    public static function move($src, $dst, $comment) {
        $command = \"sudo svn mv $src $dst -m \'$comment\'\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        if (strpos ( $output, \'Committed revision\' )) {
            return true;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn mkdir
     *
     * @param $url string
     * @param $comment string
     * @return boolean
     */
    public static function mkdir($url, $comment) {
        $command = \"sudo svn mkdir $url -m \'$comment\'\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        if (strpos ( $output, \'Committed revision\' )) {
            return true;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn diff
     * @param $pathA string
     * @param $pathB string
     * @return string
     */
    public static function diff($pathA, $pathB) {
        $output = self::runCmd ( \"sudo svn diff $pathA $pathB\" );
        return implode ( \'<br />\', $output );
    }
    /**
     * svn checkout
     * @param $url string
     * @param $dir string
     * @return boolean
     */
    public static function checkout($url, $dir) {
        $command = \"cd $dir && sudo svn co $url\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        if (strstr ( $output, \'Checked out revision\' )) {
            return true;
        }
        return \"<br />\" . $command . \"<br />\" . $output;
    }
    /**
     * svn update
     * @param $path string
     */
    public static function update($path) {
        $command = \"cd $path && sudo svn up\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        preg_match_all ( \"/[0-9]+/\", $output, $ret );
        if (! $ret [0] [0]) {
            return \"<br />\" . $command . \"<br />\" . $output;
        }
        return $ret [0] [0];
    }
    /**
     * svn merge
     *
     * @param $revision string
     * @param $url string
     * @param $dir string
     *
     * @return boolean
     */
    public static function merge($revision, $url, $dir) {
        $command = \"cd $dir && sudo svn merge -r1:$revision $url\";
        $output = implode ( \'<br />\', self::runCmd ( $command ) );
        if (strstr ( $output, \'Text conflicts\' )) {
            return \'Command: \' . $command . \'<br />\' . $output;
        }
        return true;
    }
    /**
     * svn commit
     *
     * @param $dir string
     * @param $comment string
     *
     * @return boolean
     */
    public static function commit($dir, $comment) {
        $command = \"cd $dir && sudo svn commit -m\'$comment\'\";
        $output = implode ( \'<br />\', self::runCmd ( $command ) );
        if (strpos ( $output, \'Committed revision\' ) || empty ( $output )) {
            return true;
        }
        return $output;
    }
    /**
     * svn status （输出WC中文件和目录的状态）
     *
     * @param $dir string
     */
    public static function getStatus($dir) {
        $command = \"cd $dir && sudo svn st\";
        return self::runCmd ( $command );
    }
    /**
     * svn 冲突
     *
     * @param $dir string
     * @return boolean
     */
    public static function hasConflict($dir) {
        $output = self::getStatus ( $dir );
        foreach ( $output as $line ) {
            if ( substr ( trim ( $line ), 0, 1 ) == \'C\' || (substr ( trim ( $line ), 0, 1 ) == \'!\')) {
                return true;
            }
        }
        return false;
    }
    /**
     * svn log
     *
     * @param $path string
     * @return string
     *
     */
    public static function getLog($path) {
        $command = \"sudo svn log $path --xml\";
        $output = self::runCmd ( $command );
        return implode ( \'\', $output );
    }
    /**
     * svn info
     * @param $path string
     */
    public static function getPathRevision($path) {
        $command = \"sudo svn info $path --xml\";
        $output = self::runCmd ( $command );
        $string = implode ( \'\', $output );
        $xml = new SimpleXMLElement ( $string );
        foreach ( $xml->entry [0]->attributes () as $key => $value ) {
            if ( $key == \'revision\' ) {
                return $value;
            }
        }
    }
    /**
     * 获取最新版本号
     * @param $path string
     */
    public static function getHeadRevision($path) {
        $command = \"cd $path && sudo svn up\";
        $output = self::runCmd ( $command );
        $output = implode ( \'<br />\', $output );
        preg_match_all ( \"/[0-9]+/\", $output, $ret );
        if (! $ret [0] [0]) {
            return \"<br />\" . $command . \"<br />\" . $output;
        }
        return $ret [0] [0];
    }
    /**
     * 获取某文件最早版本号
     *
     * @param $filePath string
     *
     */
    public static function getFileFirstVersion($filePath){
        $command = \"sudo svn log {$filePath}\";
        $output = self::runCmd ( $command , \"|grep -i ^r[0-9]* |awk  \'{print $1}\'\");
        if(empty($output)){
            return false;
        }
        return str_replace(\"r\", \'\', $output[count($output)-1]);
    }
    /**
     * 获取两个版本间修改的文件信息列表
     *
     * @param $fromVersion int
     * @param $headRevision int
     * @param $$path string
     *
     * @return array
     */
    public static function getChangedFiles($path, $fromVersion, $headRevision ){
        $files = array();
        $pipe = \"|grep -i ^Index:|awk -F : \'{print $2}\'\";
        $command = \"svn diff -r {$fromVersion}:{$headRevision} $path\";
        $output = self::runCmd ( $command ,$pipe);
        $files = array_merge($files, $output);
        $command = \"svn diff -r {$headRevision}:{$fromVersion} $path\"; //文件删除可用逆向对比
        $output = self::runCmd ( $command ,$pipe);
        $files = array_merge($files, $output);
        return array_unique($files);
    }
    /**
     * 获取两个版本间某文件修改 的内容
     *
     * @param $filePath string
     * @param $fromVersion int
     * @param $headRevision int
     *
     * @return array
     */
    public static function getChangedInfo( $filePath, $fromVersion, $headRevision ){
        $command = \"sudo svn diff -r {$fromVersion}:{$headRevision} $filePath\";
        $output = self::runCmd ( $command );
        return $output;
    }
    /**
     * 查看文件内容
     *
     * @param $filePath string
     * @param $version int
     *
     * @return array
     */
    public static function getFileContent($filePath, $version){
        $command = \"sudo svn cat -r {$version} $filePath\";
        $output = self::runCmd ( $command );
        return $output;
    }
    /**
     * Run a cmd and return result
     * @param $command string
     * @param $pipe string (可以增加管道对返回数据进行预筛选)
     * @return array
     */
    protected static function runCmd($command , $pipe =\"\") {
        $authCommand = \' --username \' . self::SVN_USERNAME . \' --password \' . self::SVN_PASSWORD . \' --no-auth-cache --non-interactive --config-dir \' . self::SVN_CONFIG_DIR . \'.subversion\';
        exec ( $command . $authCommand . \" 2>&1\" . $pipe, $output );
        return $output;
    }
}