--- debian/local/plymouth.hook.orig 2015-12-16 10:02:59.444332600 +0000
+++ debian/local/plymouth.hook 2015-12-16 10:12:10.354136669 +0000
@@ -20,7 +20,7 @@
. /usr/share/initramfs-tools/hook-functions
THEME_PATH="$(update-alternatives --query default.plymouth 2>/dev/null | sed -e '/^Value:/!d' -e 's/^Value: \(.*\)/\1/')"
-THEME="$(basename ${THEME_PATH} .plymouth || true)"
+THEME="$(basename ${THEME_PATH:-none} .plymouth || true)"
THEMES="/usr/share/plymouth/themes"
mkdir -p "${DESTDIR}/${THEMES}"
@@ -37,7 +37,7 @@
# default text theme alternative
TEXTTHEME_PATH="$(update-alternatives --query text.plymouth 2>/dev/null | sed -e '/^Value:/!d' -e 's/^Value: \(.*\)/\1/')"
-TEXTTHEME="$(basename ${TEXTTHEME_PATH} .plymouth || true)"
+TEXTTHEME="$(basename ${TEXTTHEME_PATH:-none} .plymouth || true)"
if [ -n "${TEXTTHEME}" ] & [ "${TEXTTHEME}" != "none" ]
then