Bug#741656: grub-common: grub-mkrescue lost its -J flag, d-i now FTBFS on kfreebsd-*

[Cyril Brulebois]

Cyril Brulebois <kibi at debian.org> (2014-03-16):
> Control: severity -1 important
> 
> Colin Watson <cjwatson at debian.org> (2014-03-15):
> > On Sat, Mar 15, 2014 at 12:37:17PM +0100, Cyril Brulebois wrote:
> > > I'm tempted to commit the '--' addition in debian-installer for now
> > > anyway, including a comment pointing here, and to lower the severity
> > > to important (since other callers might be affected as well).
> > > 
> > > Does that look OK to you?
> > 
> > It's not ideal, but I think it's reasonable for now, yes.
> 
> Great, thanks for the confirmation, and also for the initial suggestion;
> pushed on the d-i side as:
>   http://anonscm.debian.org/gitweb/?p=d-i/debian-installer.git;a=commitdiff;h=d85d105

kfreebsd-* builds are now failing to build with:
| # Create the ISO with Joliet extensions, needed for win32-loader.ini
| # NOTE: "-- -J" is a workaround for #741656 in grub-common
| grub-mkrescue --output=./tmp/netboot-10/mini.iso ./tmp/netboot-10/cd_tree -- -J
| xorriso 1.4.6 : RockRidge filesystem manipulator, libburnia project.
| 
| xorriso : FAILURE : Not a known command:  '-J'
| 
| xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE'
| install -m 644 -D ./tmp/netboot-10/mini.iso dest/netboot-10/mini.iso
| install: cannot stat './tmp/netboot-10/mini.iso': No such file or directory
| Makefile:798: recipe for target 'dest/netboot-10/mini.iso' failed

I think that started with grub2 (2.02~beta3-1) reaching unstable:
  https://tracker.debian.org/news/805858

as upload timing would match the start of the FTBFS according to graphs
on the summary page:
  https://d-i.debian.org/daily-images/daily-build-overview.html

Also, util/grub-mkrescue.c's argument handling got changed between grub2
2.02~beta2-36 and 2.02~beta3-1.


KiBi.
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