Fix shellcheck issue SC2174

[grml-debootstrap.git] / chroot-script

diff --git a/chroot-script b/chroot-script
index b47e31e..a5f92c4 100755 (executable)
--- a/chroot-script
+++ b/chroot-script
@@ -626,19 +626,31 @@ grub_install() {
      for device in $SELECTED_PARTITIONS ; do
         GRUB="${device%%[0-9]}"
         echo "Installing grub on ${GRUB}:"
-        grub-install --no-floppy "$GRUB"
+        if ! grub-install --no-floppy "$GRUB" ; then
+          echo "Error: failed to execute 'grub-install --no-floppy $GRUB'." >&2
+          exit 1
+        fi
+
      done
      rm -f /boot/grub/device.map
   else
      echo "Installing grub on ${GRUB}:"
      case "$RELEASE" in
        lenny|squeeze|wheezy)
-         grub-install --no-floppy "$(readlink -f "${GRUB}")"
+         local grub_dev
+         grub_dev="$(readlink -f "${GRUB}")"
+         if ! grub-install --no-floppy "${grub_dev}" ; then
+           echo "Error: failed to execute 'grub-install --no-floppy ${grub_dev}'." >&2
+           exit 1
+         fi
          rm -f /boot/grub/device.map
          ;;
        *)
          echo "(hd0) ${GRUB}" > /boot/grub/device.map
-         grub-install "(hd0)"
+         if ! grub-install "(hd0)" ; then
+           echo "Error: failed to execute 'grub-install (hd0)'." >&2
+           exit 1
+         fi
          rm /boot/grub/device.map
          ;;
      esac
@@ -656,6 +668,11 @@ 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