Comment 22 for bug 2054395

Oh, there is one additional issue:

debdiff-apply failis with

File man/en/sosreport.1 is not a regular file -- refusing to patch
2 out of 2 hunks ignored

...

Traceback (most recent call last):
  File "/usr/bin/debdiff-apply", line 382, in <module>
    sys.exit(main(sys.argv[1:]))
             ^^^^^^^^^^^^^^^^^^
  File "/usr/bin/debdiff-apply", line 331, in main
    debdiff_apply(patch, patch_name, args)
  File "/usr/bin/debdiff-apply", line 207, in debdiff_apply
    call_patch(patch_str, "--dry-run", "-f")
  File "/usr/bin/debdiff-apply", line 139, in call_patch
    return subprocess.run(
           ^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/subprocess.py", line 571, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['patch', '-p1', '--dry-run', '-f']' returned non-zero exit status 1.

I can still apply it with `patch`, but it would be nice to check that (it seems it is trying to patch that symlink). How are you generating the debdiff?