Set help formatter width to terminal width (prevents wrapping)

diff --git a/youtube-dl b/youtube-dl
index d093e25..ac27afd 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -2744,7 +2744,14 @@ def parseOpts():
 
                return "".join(opts)
 
-       fmt = optparse.IndentedHelpFormatter()
+       max_width = 80
+       max_help_position = 80
+
+       # No need to wrap help messages if we're on a wide console
+       columns = os.environ.get('COLUMNS', None)
+       if columns: max_width = columns
+
+       fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)
        fmt.format_option_strings = _format_option_string
 
        kw = {