various fixes

[automated-distro-installer] / fai / config / distro-install-common / libreboot_grub.cfg

diff --git a/fai/config/distro-install-common/libreboot_grub.cfg b/fai/config/distro-install-common/libreboot_grub.cfg
index 32ab3922a5a79945b50260007ece5148a6f498a7..69e1c52db3a1eaa3a4d543f350ca1f1c1fdff0cb 100644 (file)
--- a/fai/config/distro-install-common/libreboot_grub.cfg
+++ b/fai/config/distro-install-common/libreboot_grub.cfg
@@ -13,7 +13,15 @@ function save_chosen {
     save_vars did_fai_check last_boot
 }
 
-# we don't set this to fai check so we can't get into
+# fai_check is so we can act like a pxe boot, but just for fai, and by
+# using /debian_bootstrap to do it.  We toggle on and off the grub var
+# did_fai_check so we can do the check every other boot. Then
+# /debian_bootstrap checks for that var on boot and if we want to do a
+# fai check, it does it, then reboots. But it also sets did_fai_check to
+# a 3rd state os_true which means we did the fai check, and we don't
+# want to do it again. This is useful for systems without libreboot.
+
+# We don't set this to fai check so we can't get into
 # an infinite reboot cycle. We depend on the os to
 # create the initial grubenv file.
 set default=/debianstable_bootstrap # could use 0 here.
@@ -23,7 +31,7 @@ for part in (ahci*4) (ata*4); do
     envfile=$part/grubenv
     if [ -s $envfile ]; then
         load_env --file $envfile
-        if [ x$did_fai_check != xtrue -a x$last_boot != x$default ]; then
+        if [ x$did_fai_check == xfalse -a x$last_boot != x$default ]; then
             set default=fai-check
         elif [ ! -z $last_boot ]; then
             set default=$last_boot