From a4876a1aa97e9f98e4673f89d65a41230018e603 Mon Sep 17 00:00:00 2001
From: Christos Zoulas <christos@zoulas.com>
Date: Sat, 30 Jul 2022 17:02:25 +0000
Subject: Add support for Comic Book Archive files (Joerg Jenderek)

---
 magic/Magdir/archive | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/magic/Magdir/archive b/magic/Magdir/archive
index 7f54f616..22db1b41 100644
--- a/magic/Magdir/archive
+++ b/magic/Magdir/archive
@@ -1,5 +1,5 @@
 #------------------------------------------------------------------------------
-# $File: archive,v 1.163 2022/07/09 16:11:56 christos Exp $
+# $File: archive,v 1.164 2022/07/30 17:02:25 christos Exp $
 # archive:  file(1) magic for archive formats (see also "msdos" for self-
 #           extracting compressed archives)
 #
@@ -25,7 +25,16 @@
 >>>>>>155 ubyte&0xDF	=0	
 # space or ascii digit 0 at start of check sum
 >>>>>>>148	ubyte&0xEF	=0x20	
->>>>>>>>0	use	tar-file
+# FOR DEBUGGING: 
+#>>>>>>>>0	regex		\^[0-9]{2,4}[.](png|jpg|jpeg|tif|tiff|gif|bmp)	NAME "%s"
+# check for 1st image main name with digits used for sorting
+# and for name extension case insensitive like: PNG JPG JPEG TIF TIFF GIF BMP
+>>>>>>>>0	regex		\^[0-9]{2,4}[.](png|jpg|jpeg|tif|tiff|gif|bmp)
+#foo
+>>>>>>>>>0	use	tar-cbt
+# if 1st member name without digits and without used image suffix then it is a TAR archive
+>>>>>>>>0	default		x
+>>>>>>>>>0	use	tar-file
 #	minimal check and then display tar archive information which can also be
 #	embedded inside others like Android Backup, Clam AntiVirus database
 0	name		tar-file
@@ -146,6 +155,19 @@
 >>508	default		x		
 # padding[255] in old tar sometimes comment field
 >>>257	string		>\0		\b, comment: %-.40s
+# Summary:	Comic Book Archive *.CBT with TAR format
+# URL:		https://en.wikipedia.org/wiki/Comic_book_archive
+#		http://fileformats.archiveteam.org/wiki/Comic_Book_Archive
+# Note:		there exist also RAR, ZIP, ACE and 7Z packed variants
+0	name		tar-cbt
+>0	string		x		Comic Book archive, tar archive
+#!:mime	application/x-tar
+!:mime	application/vnd.comicbook
+#!:mime	application/vnd.comicbook+tar
+!:ext	cbt
+# name[100] probably like: 19.jpg 0001.png 0002.png
+# or maybe like ComicInfo.xml
+>0	string		>\0		\b, 1st image %-.60s
 
 # Incremental snapshot gnu-tar format from:
 # https://www.gnu.org/software/tar/manual/html_node/Snapshot-Files.html
-- 
cgit v1.2.1