-        })
-
-    if opts.verbose:
-        write_string(u'[debug] youtube-dl version ' + __version__ + u'\n')
-        try:
-            sp = subprocess.Popen(
-                ['git', 'rev-parse', '--short', 'HEAD'],
-                stdout=subprocess.PIPE, stderr=subprocess.PIPE,
-                cwd=os.path.dirname(os.path.abspath(__file__)))
-            out, err = sp.communicate()
-            out = out.decode().strip()
-            if re.match('[0-9a-f]+', out):
-                write_string(u'[debug] Git HEAD: ' + out + u'\n')
-        except:
-            try:
-                sys.exc_clear()
-            except:
-                pass
-        write_string(u'[debug] Python version %s - %s' %(platform.python_version(), platform_name()) + u'\n')
-
-        proxy_map = {}
-        for handler in opener.handlers:
-            if hasattr(handler, 'proxies'):
-                proxy_map.update(handler.proxies)
-        write_string(u'[debug] Proxy map: ' + compat_str(proxy_map) + u'\n')
-
-    ydl.add_default_info_extractors()
-
-    # PostProcessors
-    # Add the metadata pp first, the other pps will copy it
-    if opts.addmetadata:
-        ydl.add_post_processor(FFmpegMetadataPP())
-    if opts.extractaudio:
-        ydl.add_post_processor(FFmpegExtractAudioPP(preferredcodec=opts.audioformat, preferredquality=opts.audioquality, nopostoverwrites=opts.nopostoverwrites))
-    if opts.recodevideo:
-        ydl.add_post_processor(FFmpegVideoConvertor(preferedformat=opts.recodevideo))
-    if opts.embedsubtitles:
-        ydl.add_post_processor(FFmpegEmbedSubtitlePP(subtitlesformat=opts.subtitlesformat))
-
-    # Update version
-    if opts.update_self:
-        update_self(ydl.to_screen, opts.verbose)
-
-    # Maybe do nothing
-    if len(all_urls) < 1:
-        if not opts.update_self:
-            parser.error(u'you must provide at least one URL')
-        else:
-            sys.exit()