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|
#!/bin/bash
set -e
[ -z "$LIBEXECDIR" ] && LIBEXECDIR="/usr/libexec"
[ -z "$DATADIR" ] && DATADIR="/usr/share"
if [ -z "$LIB" ]; then
if $(echo nash-showelfinterp /proc/$$/exe | /sbin/nash --forcequiet | grep -q lib64); then
LIB="lib64"
else
LIB="lib"
fi
fi
[ -z "$LIBDIR" ] && LIBDIR="/usr/$LIB"
[ -z "$BINDIR" ] && BINDIR="/usr/bin"
function usage ()
{
echo "usage: plymouth-set-default-theme { --list | --reset | <theme-name> [ --rebuild-initrd ] }"
}
function list_themes ()
{
for theme in ${DATADIR}/plymouth/themes/*/*.plymouth; do
[ -f $theme ] || continue;
echo "$(basename $theme .plymouth)"
done
}
function get_default_theme ()
{
THEME_NAME=$(basename $(readlink ${DATADIR}/plymouth/themes/default.plymouth) .plymouth)
if [ "$THEME_NAME" = ".plymouth" ]; then
$0 --reset
THEME_NAME=$(basename $(readlink ${DATADIR}/plymouth/themes/default.plymouth) .plymouth)
fi
[ "$THEME_NAME" = ".so" ] || echo $THEME_NAME && exit 1
}
DO_RESET=0
DO_INITRD_REBUILD=0
DO_LIST=0
THEME_NAME=""
while [ $# -gt 0 ]; do
case "$1" in
--list)
if [ -n "$THEME_NAME" ]; then
echo "You can only specify --list or a theme name, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
if [ $DO_RESET -ne 0 ]; then
echo "You can only specify --reset or --list, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
DO_LIST=1
;;
--rebuild-initrd)
DO_INITRD_REBUILD=1
;;
--reset|default)
if [ -n "$THEME_NAME" ]; then
echo "You can only specify --reset or a theme name, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
if [ $DO_LIST -ne 0 ]; then
echo "You can only specify --reset or --list, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
DO_RESET=1
;;
*)
if [ -n "$THEME_NAME" ]; then
echo "You can only specify one theme at a time" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
if [ $DO_RESET -ne 0 ]; then
echo "You can only specify --reset or a theme name, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
if [ $DO_LIST -ne 0 ]; then
echo "You can only specify --list or a theme name, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
THEME_NAME="$1"
;;
esac
shift
done
if [ $DO_LIST -ne 0 ]; then
list_themes
exit $?
fi
if [ $DO_RESET -eq 0 ] && [ $DO_INITRD_REBUILD -eq 0 ] && [ -z $THEME_NAME ]; then
get_default_theme
exit $?
fi
if [ `id -u` -ne 0 ]; then
echo "This program must be run as root" > /dev/stderr
exit 1
fi
if [ $DO_RESET -ne 0 ]; then
THEME_NAME=$(basename $(ls -1 -t ${DATADIR}/plymouth/themes/*/*.plymouth 2> /dev/null | tail -n 1) .plymouth)
if [ $THEME_NAME = .plymouth ]; then
rm -f ${DATADIR}/plymouth/themes/default.plymouth
exit 0
fi
fi
if [ ! -e ${DATADIR}/plymouth/themes/${THEME_NAME}/${THEME_NAME}.plymouth ]; then
echo "${DATADIR}/plymouth/themes/${THEME_NAME}/${THEME_NAME}.plymouth does not exist" > /dev/stderr
exit 1
fi
MODULE_NAME=$(grep "ModuleName *= *" ${DATADIR}/plymouth/themes/${THEME_NAME}/${THEME_NAME}.plymouth | sed 's/ModuleName *= *//')
if [ ! -e ${LIBDIR}/plymouth/${MODULE_NAME}.so ]; then
echo "${LIBDIR}/plymouth/${MODULE_NAME}.so does not exist" > /dev/stderr
exit 1
fi
(cd ${DATADIR}/plymouth/themes;
ln -sf ${THEME_NAME}/${THEME_NAME}.plymouth default.plymouth && \
([ $DO_INITRD_REBUILD -ne 0 ] && \
$LIBEXECDIR/plymouth/plymouth-update-initrd) || :)
|
