Support BOOT_APPEND usage outside of VMs

BOOT_APPEND works only for VMs when being invoked within
grub_install() inside main grml-debootstrap, move its
handling to chroot-script instead.

See https://github.com/grml/grml-debootstrap/issues/106

diff --git a/chroot-script b/chroot-script
index 68514e0..96fba0a 100755 (executable)
--- a/chroot-script
+++ b/chroot-script
@@ -646,6 +646,11 @@ grub_install() {
     return 1
   fi
 
+  if [ -n "${BOOT_APPEND}" ] ; then
+    echo "Adding BOOT_APPEND configuration ['${BOOT_APPEND}'] to /etc/default/grub."
+    sed -i "/GRUB_CMDLINE_LINUX_DEFAULT/ s#\"\$# ${BOOT_APPEND}\"#" /etc/default/grub
+  fi
+
   mountpoint /boot/efi &>/dev/null && umount /boot/efi
 
   $UPDATEGRUB

diff --git a/grml-debootstrap b/grml-debootstrap
index 1dd6550..103946c 100755 (executable)
--- a/grml-debootstrap
+++ b/grml-debootstrap
@@ -1516,9 +1516,6 @@ if [[ -z "${GRUB}" ]] || ! dd if="${GRUB}" bs=512 count=1 2>/dev/null | cat -v |
 fi
 
   einfo "Updating grub configuration file."
-  if [ -n "$BOOT_APPEND" ] ; then
-     sed -i "/GRUB_CMDLINE_LINUX_DEFAULT/ s#\"\$# ${BOOT_APPEND}\"#" "${MNTPOINT}"/etc/default/grub
-  fi
   chroot "${MNTPOINT}" update-grub
 
   case "$RELEASE" in
@@ -1615,6 +1612,7 @@ preparechroot() {
   #   e.g. not with 4.2.37(1)-release (a.k.a 4.2+dfsg-0.1+deb7u3) of Debian wheezy
   [ -n "$ARCH" ]                && echo "ARCH='$(sed "s,','\\\\'',g" <<<"${ARCH}")'"                               >> "$CHROOT_VARIABLES"
   [ -n "$BACKPORTREPOS" ]       && echo "BACKPORTREPOS='$(sed "s,','\\\\'',g" <<<"${BACKPORTREPOS}")'"             >> "$CHROOT_VARIABLES"
+  [ -n "$BOOT_APPEND" ]         && echo "BOOT_APPEND='$(sed "s,','\\\\'',g" <<<"${BOOT_APPEND}")'"                 >> "$CHROOT_VARIABLES"
   [ -n "$CHROOT_SCRIPTS" ]      && echo "CHROOT_SCRIPTS='$(sed "s,','\\\\'',g" <<<"${CHROOT_SCRIPTS}")'"           >> "$CHROOT_VARIABLES"
   [ -n "$COMPONENTS" ]          && echo "COMPONENTS='$(sed "s,','\\\\'',g" <<<"${COMPONENTS}")'"                   >> "$CHROOT_VARIABLES"
   [ -n "$CONFFILES" ]           && echo "CONFFILES='$(sed "s,','\\\\'',g" <<<"${CONFFILES}")'"                     >> "$CHROOT_VARIABLES"