#!/bin/ksh

#========================================
# gen_mode0sldir - generate fast-boot cache
#
# Yoshihiro Kawamata, kaw@on.rim.or.jp
# $Id: gen_mode0sldir,v 1.8 2025/01/01 00:58:54 kaw Exp $
#========================================

# Copyright (c) 2010--2025
# Yoshihiro Kawamata
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#   * Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#
#   * Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in
#     the documentation and/or other materials provided with the
#     distribution.
#
#   * Neither the name of Yoshihiro Kawamata nor the names of its
#     contributors may be used to endorse or promote products derived
#     from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# environmental check
#
cd /ram || exit 1
if [ ! -d /ram/etc/fuguita ]; then
    mkdir /ram/etc/fuguita || exit 1
fi

# replace some ordinary files to symlinks
#
find -x usr -type f -print | \
    while read fn; do
        if [[ -f "/fuguita/$fn" ]]; then
            ln -sf "/fuguita/$fn" "$fn"
        fi
    done

# archive symlinks with cpio
#
find . \( -type l -o -type d -empty \) -print \
| sort | pax -w -z -x cpio > /ram/etc/fuguita/mode0symlinks.cpio.gz
