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path: root/scripts/plymouth-populate-initrd.in
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#!/bin/bash

[ -z "$DESTDIR" ] || exit 0

set -e

[ -z "$LIBEXECDIR" ] && LIBEXECDIR="/usr/libexec"
[ -z "$DATADIR" ] && DATADIR="/usr/share"
[ -z "$SYSTEMMAP" ] && SYSTEM_MAP="/boot/System.map-$(/bin/uname -r)"
[ -z "$LIB" ] && $(echo nash-showelfinterp /usr/bin/plymouth | /sbin/nash --forcequiet | grep -q lib64) && LIB="lib64" || LIB="lib"
[ -z "$LIBDIR" ] && LIBDIR="/usr/$LIB"
[ -z "$BINDIR" ] && BINDIR="/usr/bin"
[ -z "$GRUB_MENU_TITLE" ] && GRUB_MENU_TITLE="Graphical Bootup"
[ -z "$PLYMOUTH_LOGO_FILE" ] && PLYMOUTH_LOGO_FILE="@logofile@"

INITRDDIR=$1 && shift
if [ -z "$INITRDDIR" ]; then
  echo "usage: plymouth <initrd_directory>" 1>&2
  exit 1
fi

RTLD=""
function get_dso_deps() {
    bin="$1" ; shift

    declare -a FILES
    declare -a NAMES

    LDSO=$(echo nash-showelfinterp $bin | /sbin/nash --forcequiet)
    [ -z "$LDSO" -o "$LDSO" == "$bin" ] && LDSO="$RTLD"
    [ -z "$LDSO" -o "$LDSO" == "$bin" ] && return 1
    [ -z "$RTLD" ] && RTLD="$LDSO"

    # I hate shell.
    declare -i n=0
    while read NAME I0 FILE ADDR I1 ; do
        [ "$FILE" == "not" ] && FILE="$FILE $ADDR"
        NAMES[$n]="$NAME"
        FILES[$n]="$FILE"
        let n++
    done << EOF
        $(LD_TRACE_PRELINKING=1 LD_WARN= LD_TRACE_LOADED_OBJECTS=1 \
            $LDSO $bin 2>/dev/null)
EOF

    [ ${#FILES[*]} -eq 0 ] && return 1

    # we don't want the name of the binary in the list
    if [ "${FILES[0]}" == "$bin" ]; then
        FILES[0]=""
        NAMES[0]=""
        [ ${#FILES[*]} -eq 1 ] && return 1
    fi

    declare -i n=0
    while [ $n -lt ${#FILES[*]} ]; do
        FILE="${FILES[$n]}"
        if [ "$FILE" == "not found" ]; then
            cat 1>&2 <<EOF
There are missing files on your system.  The dynamic object $bin
requires ${NAMES[$n]} n order to properly function.  mkinitrd cannot continue.
EOF
            exit 1
        fi
        case "$FILE" in
            /lib*)
                TLIBDIR=`echo "$FILE" | sed 's,\(/lib[^/]*\)/.*$,\1,'`
                BASE=`basename "$FILE"`
                # Prefer nosegneg libs over direct segment accesses on i686.
                if [ -f "$TLIBDIR/i686/nosegneg/$BASE" ]; then
                    FILE="$TLIBDIR/i686/nosegneg/$BASE"
                # Otherwise, prefer base libraries rather than their optimized
                # variants.
                elif [ -f "$TLIBDIR/$BASE" ]; then
                    FILE="$TLIBDIR/$BASE"
                fi
                FILES[$n]="$FILE"
                ;;
        esac
        dynamic="yes"
        let n++
    done

    echo "${FILES[@]}"
}

(cd $LIBDIR
    BINS="${LIBEXECDIR}/plymouth/plymouthd ${BINDIR}/plymouth ${LIBDIR}/plymouth/spinfinity.so ${LIBDIR}/plymouth/text.so ${LIBDIR}/plymouth/details.so"
    for bin in $BINS ; do
        DEPS=$(get_dso_deps $bin)
        for dep in $DEPS; do
            install -D -m755 $dep ${INITRDDIR}$(dirname $dep)
        done
    done
)

install -m755 ${LIBEXECDIR}/plymouth/plymouthd ${INITRDDIR}/bin
install -m755 ${BINDIR}/plymouth ${INITRDDIR}/bin
mkdir -p ${INITRDDIR}${LIBDIR}/plymouth
install -m755 ${LIBDIR}/plymouth/text.so ${INITRDDIR}${LIBDIR}/plymouth
install -m755 ${LIBDIR}/plymouth/details.so ${INITRDDIR}${LIBDIR}/plymouth
install -D -m644 ${PLYMOUTH_LOGO_FILE} ${INITRDDIR}${PLYMOUTH_LOGO_FILE}
mkdir -p ${INITRDDIR}${DATADIR}/plymouth


PLUGIN_NAME=$(plymouth-set-default-plugin)

if [ -z "$PLUGIN_NAME" ]; then
   echo "No default plymouth plugin is set" > /dev/stderr
   exit 1
fi

if [ ! -f ${LIBDIR}/plymouth/${PLUGIN_NAME}.so ]; then
   echo "The default plymouth plugin (${PLUGIN_NAME}) doesn't exist" > /dev/stderr
   exit 1
fi

install -m755 ${LIBDIR}/plymouth/${PLUGIN_NAME}.so ${INITRDDIR}${LIBDIR}/plymouth
(cd ${INITRDDIR}${LIBDIR}/plymouth; ln -sf ${PLUGIN_NAME}.so default.so)
if [ -d ${DATADIR}/plymouth/${PLUGIN_NAME} ]; then
  mkdir -p ${INITRDDIR}${DATADIR}/plymouth/${PLUGIN_NAME}
  install -D -m644 ${DATADIR}/plymouth/${PLUGIN_NAME}/* ${INITRDDIR}${DATADIR}/plymouth/${PLUGIN_NAME}
fi