From 887cbfeaddf4d199a5e48c23d258eec8f7fca60d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Wed, 22 Dec 2021 00:39:21 +0100
Subject: [PATCH] bugifx: autogroup present but empty group fields

---
 db_meta.sh | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/db_meta.sh b/db_meta.sh
index 9dfbe4c..588e62d 100755
--- a/db_meta.sh
+++ b/db_meta.sh
@@ -166,21 +166,20 @@ list_meta(){
 
 dbmeta_autogroup(){
   sed -E '
+    # strip empty group field
+    s;\r	\\$;\r;;
     h;  # save original dataset
 
     # strip common suffixes of web video sites
     s;-([0-9a-zA-Z_-]{11}|ph[0-9a-f]{13}|xh[0-9a-zA-Z]{5}|[0-9]{6,})\r;-\r;;
 
-    # clear branching status
-    tBRANCH; :BRANCH
-
     # perform auto grouping if group id is missing or empty
-    /\r$/bAUTOGROUP; s;\r	\\$;\r;; tAUTOGROUP;
+    /\r$/bAUTOGROUP;
   
     # only perform ordering if manual group id is present
     /\r	.+$/bAUTOORDER;
 
-    b;
+    b;  # pass invalid records without processing
 
     :AUTOORDER
     # strip all fields but the name
-- 
2.39.2