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createiso: Create Joliet tree with xorriso

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This structure is important for isoinfo -J, which is in turn called by
virt-install.

This can be tested by using a bootable ISO by modifying it with a dummy
additional file and preserving boot records:

    $ xorriso -indev netinst.iso -outdev test.iso -boot_image any replay -map setup.py setup.py -end
    ...
    $ isoinfo -J -i test.iso
    isoinfo: Unable to find Joliet SVD
    $ rm test.iso
    $ xorriso -indev netinst.iso -outdev test.iso -joliet on -boot_image any replay -map setup.py setup.py -end
    ...
    $ isoinfo -J -i test.iso
    $

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2144105
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
This commit is contained in:
Lubomír Sedlář 2022-11-22 12:53:11 +01:00
parent 479849042f
commit 12e3a46390
1 changed files with 2 additions and 0 deletions
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pungi/createiso.py
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@ -125,6 +125,8 @@ def write_xorriso_commands(opts):
emit(f, "-outdev %s" % os.path.join(opts.output_dir, opts.iso_name))
emit(f, "-boot_image any replay")
emit(f, "-volid %s" % opts.volid)
# isoinfo -J uses the Joliet tree, and it's used by virt-install
emit(f, "-joliet on")
with open(opts.graft_points) as gp:
for line in gp: