Re: Activating a configuration file within a submenu or a menuentry

[Arbiel Perlacremaz]

Hi

The script begins with the definition all functions. other_cfg is the 
function which looks for the cfg files, discarting the present script, 
and generating the menu for all other cfg files.

The script searches for the "cielos" partition. If found, it call the 
boot_ciel function to boot directly into the partition, otherwise it 
calls the other_cfg files. Returning from this function, the scripts set 
the timeout variable to execute directly the found cfg file, or displays 
the menu to prompt the user, waiting indefinitely.

Here is my script

#
# Ce fichier n'est pas créé par les procédures classiques.
# This file is hand written, however some parts has been taken from the 
regular cfg file
#

if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi

function load_video {
  insmod vbe
  insmod vga
  insmod video_bochs
  insmod video_cirrus
}

#
# Recherche des fichiers grub.cfg et génération du menu lorsque cielos 
n\'existe pas
# Looking for the grub.cfg files, and generating grub's menu, when 
cielos does not exist
#

function other_cfg {
insmod regexp

for device in (*); do
# il ne faut pas inclure dans le menu l\'amorçage actuel, pour éviter de 
tourner en rond
# the present grub.cfg file is to be excluded from the menu, as to avoid 
looping on it
    if [ "${device}/boot/grub" != "${prefix}" ]; then
       if [ -e ${device}/boot/grub/grub.cfg ]; then
        echo J\'ai trouvé ${device}/boot/grub/grub.cfg;
         if probe --set=label --label "$device"; then
            menuentry "$label" {
                configfile  ${device}/boot/grub/grub.cfg
            }
            if [ -z ${entries} ]; then set entries=1; else set 
entries=2; fi
# si une seule ligne, entries = 1, sinon entries = 2
# if there is a single line, entries = 1, else entries = 2
# sert à initialer le temps d'attente après affichage du menu (0 ou -1)
# used to set the timeout waiting for the user's choice (0 or -1)
#
         fi
       fi
    fi

done
}

#
# amorçage à partir de la partition cielos si elle existe
# booting form cielos partition when it exists
#
function boot_ciel {
  set gfxpayload=$linux_gfx_mode
  insmod gzio
  insmod part_msdos
  insmod ext2
# echo chargement du noyay
  linux		/vmlinuz root=LABEL=${ciel} ro   quiet splash pcie_aspm=force 
vt.handoff=7
# echo initialisation ramdisk
  initrd        /initrd.img
  boot
}

#
# préparation de l'affichage du menu, code extrait du fichier standard
# preparing for the display of the menu, this code is mainly taken from 
the regular cfg file
#
function prepboot {
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  insmod part_msdos
  insmod ext2
  set locale_dir=($root)/boot/grub/locale
  set lang=fr_FR
  insmod gettext
fi
terminal_output gfxterm
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
 clear
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
# echo calcul de linux_gfx_mode
if [ ${recordfail} != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
}

# fin de la procédure prepboot
# end of prepboot procedure

# chargement des modules part_mdos et ext2
insmod part_msdos
insmod ext2


# recherche de la partition cielos, pour amorcer sur cette partition si 
elle existe
# looking for "cielos", and booting from it when it exists
 set ciel="cielos"
 set root=
 set entries=
 search --no-floppy --label --set=root ${ciel}
 if  [ -n ${root} ]; then other_cfg ; else set entries="0"; fi

prepboot
if [ "${entries}" = "0"]; then
        echo Attendre la fin de la procédure de lancement du PC
        boot_ciel
 fi
set default=0
if [ "${entries}" = "1"]; then set timeout=0; else set timeout=-1; fi

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



Le 08/04/2012 21:50, Jordan Uggla a écrit :
> On Apr 8, 2012 7:28 AM, "Arbiel Perlacremaz"
> <address@hidden>  wrote:
> > Hi
> >
> > I wrote a script looking for all the grub.cfg files present into a 
> > configuration and creating a menu to ask the user for his choice. I used the 
> > configfile command to activate the chosen grub.cfg file, but nothing happens. 
> > Grub loops on the displaying of the menu.
> >
> > How should I do ?
> >
> > Thank you for any advice.
> >
> > Arbiel
>
> Please post the exact script you're using / the grub.cfg which it generates.