From c5a0627b965f264432170c565c8ba28a720fe250 Mon Sep 17 00:00:00 2001
From: Zil0 <30212477+Zil0@users.noreply.github.com>
Date: Sun, 23 Jul 2017 14:25:35 +0200
Subject: [PATCH 1/2] [YoutubeDL] Add filenames key in info_dict

---
 youtube_dl/YoutubeDL.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 89c07be29..493491a1a 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1578,10 +1578,13 @@ class YoutubeDL(object):
         if download:
             if len(formats_to_download) > 1:
                 self.to_screen('[info] %s: downloading video in %s formats' % (info_dict['id'], len(formats_to_download)))
+            filenames = []
             for format in formats_to_download:
                 new_info = dict(info_dict)
                 new_info.update(format)
                 self.process_info(new_info)
+                filenames.append(new_info.get('_filename'))
+            info_dict['filenames'] = filenames
         # We update the info dict with the best quality format (backwards compatibility)
         info_dict.update(formats_to_download[-1])
         return info_dict
@@ -1827,7 +1830,7 @@ class YoutubeDL(object):
                         self.report_warning(
                             'Requested formats are incompatible for merge and will be merged into mkv.')
                     # Ensure filename always has a correct extension for successful merge
-                    filename = '%s.%s' % (filename_wo_ext, info_dict['ext'])
+                    info_dict['_filename'] = filename = '%s.%s' % (filename_wo_ext, info_dict['ext'])
                     if os.path.exists(encodeFilename(filename)):
                         self.to_screen(
                             '[download] %s has already been downloaded and '
@@ -1985,6 +1988,7 @@ class YoutubeDL(object):
             files_to_delete = []
             try:
                 files_to_delete, info = pp.run(info)
+                ie_info['_filename'] = info['filepath']
             except PostProcessingError as e:
                 self.report_error(e.msg)
             if files_to_delete and not self.params.get('keepvideo', False):

From 0948f25c261d0f8b45e25340b7373083cb447344 Mon Sep 17 00:00:00 2001
From: Zil0 <30212477+Zil0@users.noreply.github.com>
Date: Sun, 23 Jul 2017 22:52:49 +0200
Subject: [PATCH 2/2] Save transitional filenames if keepvideo is set

---
 youtube_dl/YoutubeDL.py | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 493491a1a..225ef741b 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1984,20 +1984,26 @@ class YoutubeDL(object):
         if ie_info.get('__postprocessors') is not None:
             pps_chain.extend(ie_info['__postprocessors'])
         pps_chain.extend(self._pps)
+        filepaths = []
         for pp in pps_chain:
             files_to_delete = []
             try:
                 files_to_delete, info = pp.run(info)
-                ie_info['_filename'] = info['filepath']
             except PostProcessingError as e:
                 self.report_error(e.msg)
-            if files_to_delete and not self.params.get('keepvideo', False):
-                for old_filename in files_to_delete:
-                    self.to_screen('Deleting original file %s (pass -k to keep)' % old_filename)
-                    try:
-                        os.remove(encodeFilename(old_filename))
-                    except (IOError, OSError):
-                        self.report_warning('Unable to remove downloaded original file')
+            if files_to_delete:
+                if self.params.get('keepvideo'):
+                    filepaths.extend(files_to_delete)
+                else:
+                    for old_filename in files_to_delete:
+                        self.to_screen('Deleting original file %s (pass -k to keep)' % old_filename)
+                        try:
+                            os.remove(encodeFilename(old_filename))
+                        except (IOError, OSError):
+                            self.report_warning('Unable to remove downloaded original file')
+        if info.get('filepath'):
+            filepaths.append(info['filepath'])
+        ie_info['_filename'] = filepaths or filename
 
     def _make_archive_id(self, info_dict):
         # Future-proof against any change in case