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[bug #36839] grub2-mkconfig OOM and syntax error depending on locale

From: Alex
Subject: [bug #36839] grub2-mkconfig OOM and syntax error depending on locale
Date: Fri, 13 Jul 2012 10:15:51 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20100101 Firefox/13.0


                 Summary: grub2-mkconfig OOM and syntax error depending on
                 Project: GNU GRUB
            Submitted by: lexmingor
            Submitted on: dv 13 jul 2012 10:15:50 GMT
                Category: Configuration
                Severity: Major
                Priority: 5 - Normal
              Item Group: Software Error
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Bazaar - trunk
         Reproducibility: Every Time
         Planned Release: None



Using the grub2-mkconfig of the latest release grub-2.00 with default config
files but the ca_ES locale fails to generate a correct grub.cfg file. 

Reproducible: Always

Steps to Reproduce:
1.Set ca_ES locale
2.emerge grub-2.00
3.grub2-mkconfig -o /boot/grub2/grub.cfg

Actual Results:
This is the output of the execution:

# grub2-mkconfig -o /boot/grub2/grub.cfg
Es genera grub.cfg ...
S'ha trobat una imatge de linux: /boot/kernel-x86_64-3.4.4-gentoo
error: s'ha acabat la memòria.
error: syntax error.
error: Incorrect command.
error: syntax error.
Hi ha un error de sintaxi a la línia 115
S'han detectat errors de sintaxi al fitxer de configuració del GRUB generat.

Which translated says something like:

# grub2-mkconfig -o /boot/grub2/grub.cfg
Generating grub.cfg ...
Linux image found: /boot/kernel-x86_64-3.4.4-gentoo
error: out of memory.
error: syntax error.
error: Incorrect command.
error: syntax error.
Syntax error on line 115
Syntax error found in the generated GRUB configuration file.

Expected Results:  
The grub.cfg file should be generated correctly.

The problem is related to some strings that in the catalan language (ca_ES)
have single quotes on them, which break the quotation of the grub.cfg file
once they are inserted. 

You can see an example on the echo message of this menuentry of grub.cfg:

### BEGIN /etc/grub.d/10_linux ###
menuentry 'Gentoo GNU/Linux' --class gentoo --class gnu-linux --class gnu
--class os $menuentry_id_option
'gnulinux-simple-6ce2e0ff-9511-4f07-993f-a0332e024e1d' {
        echo    'S'està carregant el Linux x86_64-3.4.4-gentoo ...'
        linux   /kernel-x86_64-3.4.4-gentoo root=/dev/sda2 ro rootfstype=ext4
video=uvesafb:1280x800-24,mtrr:3,ywrap splash=verbose,theme:moocow
console=tty1 clocksource=hpet zcache quiet pcie_aspm=force 

### END /etc/grub.d/10_linux ###

The easiest solution I could think of is just to change the quoting on the
echo commands from single quotes to double quotes. The offending lines are
like this one from /etc/grub.d/10_linux (number 137).

 135 message="$(gettext_printf "Loading Linux %s ..." ${version})"
 136  sed "s/^/$submenu_indentation/" << EOF
*137        echo    '$message'
 138        linux   ${rel_dirname}/${basename}
root=${linux_root_device_thisversion} ro ${args}

I looked at the files inside util/grub.d/ in the source tarball. I found this
kind of echo commands in 10_hurd.in, 10_kfreebsd.in, 10_linux.in and
20_linux_xen.in. So I wrote the attached patch to fix all this four files.


File Attachments:

Date: dv 13 jul 2012 10:15:50 GMT  Name: locale_message.patch  Size: 3kB   By:
Patch to fix the quoting of some echo lines in the grub.d files


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