From 8d245cf42f407fdb49b5b514f8698b1421f0c975 Mon Sep 17 00:00:00 2001
From: Andrew Udvare <audvare@gmail.com>
Date: Sat, 23 Jun 2018 00:37:59 -0400
Subject: [PATCH] [archiveorg] Some thumbnail URLs are relative

---
 youtube_dl/extractor/archiveorg.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/youtube_dl/extractor/archiveorg.py b/youtube_dl/extractor/archiveorg.py
index c79c58e82..d24cf8686 100644
--- a/youtube_dl/extractor/archiveorg.py
+++ b/youtube_dl/extractor/archiveorg.py
@@ -62,4 +62,8 @@ class ArchiveOrgIE(InfoExtractor):
                 'uploader': get_optional(metadata, 'creator'),
                 'upload_date': unified_strdate(get_optional(metadata, 'date')),
             })
+        if info.get('thumbnail', '').startswith('/'):
+            info.update({
+                'thumbnail': 'https://archive.org%s' % info.get('thumbnail')
+            })
         return info