File rock-ridge-version-detection.patch of Package python-pycdlib

From 685e602b325dd4132705599406efa418ca3cf3bf Mon Sep 17 00:00:00 2001
From: Daniel Garcia Moreno <daniel.garcia@suse.com>
Date: Thu, 28 Aug 2025 13:22:24 +0200
Subject: [PATCH] Check continuation block to detect Rock Ridge version

This patch moves the _set_rock_ridge method call after the continuation
is parsed and sets the max version detected between dr_entries and
ce_entries.

This issue was detected parsing new openSUSE Tumbleweed iso. Looks like
mkisofs starts using continuation area ('CE') blobs if file name length
is > 92 and PX record could be there, affecting the version detection:
https://bugzilla.suse.com/show_bug.cgi?id=1209983#c15
---
 pycdlib/pycdlib.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

Index: pycdlib-1.15.0/pycdlib/pycdlib.py
===================================================================
--- pycdlib-1.15.0.orig/pycdlib/pycdlib.py
+++ pycdlib-1.15.0/pycdlib/pycdlib.py
@@ -1052,8 +1052,6 @@ class PyCdlib:
                                       dir_record)
                 offset += lenbyte
 
-                self._set_rock_ridge(rr)
-
                 # Cache some properties of this record for later use.
                 is_symlink = new_record.is_symlink()
                 dots = new_record.is_dot() or new_record.is_dotdot()
@@ -1115,6 +1113,7 @@ class PyCdlib:
                         # will eventually be used to fix the PVD size.
                         lastbyte = max(lastbyte, new_end)
 
+                rr_ce = ''
                 if new_record.rock_ridge is not None and new_record.rock_ridge.dr_entries.ce_record is not None:
                     ce_record = new_record.rock_ridge.dr_entries.ce_record
                     orig_pos = cdfp.tell()
@@ -1130,6 +1129,12 @@ class PyCdlib:
                                                        ce_record.len_cont_area)
                     new_record.rock_ridge.update_ce_block(block)
 
+                    rr_ce = new_record.rock_ridge.rr_version if new_record.rock_ridge else ''
+                # The PX record could be in the continuation blob, so
+                # the continuation is relevant to determine the actual
+                # Rock Ridge version
+                self._set_rock_ridge(max(rr, rr_ce))
+
                 if rr_cl:
                     child_links.append(new_record)