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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-plugin { --list | --reset | <plugin-name> [ --rebuild-initrd ] }"
}
function list_plugins ()
{
for plugin in ${LIBDIR}/plymouth/*.so; do
[ -f $plugin ] || continue;
[ -L $plugin ] && continue;
if $(nm -D $plugin | grep -q ply_boot_splash_plugin_get_interface); then
echo "$(basename $plugin .so)"
fi
done
}
function get_default_plugin ()
{
PLUGIN_NAME=$(basename $(readlink ${LIBDIR}/plymouth/default.so) .so)
if [ "$PLUGIN_NAME" = ".so" ]; then
$0 --reset
PLUGIN_NAME=$(basename $(readlink ${LIBDIR}/plymouth/default.so) .so)
fi
[ "$PLUGIN_NAME" = ".so" ] || echo $PLUGIN_NAME && exit 1
}
DO_RESET=0
DO_INITRD_REBUILD=0
DO_LIST=0
PLUGIN_NAME=""
while [ $# -gt 0 ]; do
case "$1" in
--list)
if [ -n "$PLUGIN_NAME" ]; then
echo "You can only specify --list or a plugin 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 $(usage) > /dev/stderr
exit 1
fi
DO_LIST=1
;;
--rebuild-initrd)
DO_INITRD_REBUILD=1
;;
--reset|default)
if [ -n "$PLUGIN_NAME" ]; then
echo "You can only specify --reset or a plugin 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 $(usage) > /dev/stderr
exit 1
fi
DO_RESET=1
;;
*)
if [ -n "$PLUGIN_NAME" ]; then
echo "You can only specify one plugin 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 plugin 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 plugin name, not both" > /dev/stderr
echo $(usage) > /dev/stderr
exit 1
fi
PLUGIN_NAME="$1"
;;
esac
shift
done
if [ $DO_LIST -ne 0 ]; then
list_plugins
exit $?
fi
if [ $DO_RESET -eq 0 ] && [ $DO_INITRD_REBUILD -eq 0 ] && [ -z $PLUGIN_NAME ]; then
get_default_plugin
exit $?
fi
if [ `id -u` -ne 0 ]; then
echo "This program must be run as root" > /dev/stderr
exit 1
fi
if [ $DO_RESET -ne 0 ]; then
PLUGIN_NAME=$(basename $(ls -1 -t ${LIBDIR}/plymouth/*.so 2> /dev/null | grep -v default.so | tail -n 1) .so)
if [ $PLUGIN_NAME = .so ]; then
rm -f ${LIBDIR}/plymouth/default.so
exit 0
fi
fi
if [ ! -e ${LIBDIR}/plymouth/${PLUGIN_NAME}.so ]; then
echo "${LIBDIR}/plymouth/${PLUGIN_NAME}.so does not exist" > /dev/stderr
exit 1
fi
(cd ${LIBDIR}/plymouth;
ln -sf ${PLUGIN_NAME}.so default.so && \
[ $DO_INITRD_REBUILD -ne 0 ] && \
$LIBEXECDIR/plymouth/plymouth-update-initrd)
|
