#!/bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/mountfs - initial boot script
#
# Creation   :  2015-06-13 hbfl
# Last Update:  $Id$
#
# Copyright (c) 2015-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
# mount devices
#----------------------------------------------------------------------------
lsb=false

if ${lsb}
then
    # read init-functions
    . /lib/lsb/init-functions
else
    # read functions
    . /etc/init.d/functions
fi

# ---------------------------------------------------------------------------
# usage
# ---------------------------------------------------------------------------
usage()
{
cat <<EOF

 Usage:
 ${0}
                -q, --quiet      suppress all normal output
                [start]
EOF
}

# ---------------------------------------------------------------------------
# start
# ---------------------------------------------------------------------------
start()
{
    for j in /var/boot-ext/*
    do
        if [ -f $j ]
        then
            /bin/sh $j
        fi
    done

    if ${lsb}
    then
        log_info_msg "Remounting root file system in read-write mode...\n"
    else
        boot_mesg " * Remounting root file system in read-write mode..."
    fi

    /bin/mount -o remount,rw / >/dev/null

    evaluate_retval

    # Remove fsck-related file system watermarks.
    /usr/bin/rm -f /fastboot /forcefsck

    # Make sure /dev/pts exists
    /usr/bin/mkdir -p /dev/pts

    /bin/sync
    /bin/umount /initrd  2>/dev/null

    # check for /etc/mtab -> regular file
    if ! /usr/bin/readlink /etc/mtab | /usr/bin/grep -wq 'proc/self/mounts'
    then
        /bin/rm /etc/mtab
    fi

    /bin/rm -f /var/boot-ext/*

    if ${lsb}
    then
        log_info_msg "Mounting remaining file systems...\n"
    else
        boot_mesg " * Mounting remaining file systems..."
    fi

    # mount remaining fs from fstab
    /bin/mount -av  2>/dev/null

    evaluate_retval

    # remount all acl enabled filesystems with acl,user_xattr,
    # if kernel supports acl (excluding /boot)
    for pseudofile in /proc/{ksyms,kallsyms}
    do
        if [ -e "${pseudofile}" ] &&
            /usr/bin/grep -q 'posix_acl_' "${pseudofile}"
        then
            /bin/mount -t ext2,ext3,ext4,xfs |
            while read dev on point type typ options
            do
                case "${type}" in
                ext*) 
                    # check if already mounted with user_xattr acl 
                    if ! /sbin/tune2fs -l "${dev}" | /usr/bin/grep -q 'user_xattr' &&
                        [ "${point}" != "/boot" ]
                    then
                         /bin/mount -o remount,acl,user_xattr ${point}
                     fi
                     ;;
                xfs)
                    /bin/mount -o remount,acl,user_xattr ${point}
                     ;;
                esac 
            done
        fi
    done

    if [ -d /etc/init.d/boot.d ]
    then
        for j in /etc/init.d/boot.d/S*  # start cleanup scripts
        do
            if [ -x ${j} ]
            then
                ${j} start
            fi
        done
    fi
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
main()
{
    while [ ${#} -gt 0 ]
    do
        case "${1}" in
        -q|--quiet)
            _quiet=true
            shift
            ;;
        *)
            _action=${1}
            shift
            ;;
        esac
    done

    case "${_action}" in
    start)
        start
        ;;
    *)
        usage
        exit 1
        ;;
    esac

    exit 0
}

# ---------------------------------------------------------------------------
# call function main
# ---------------------------------------------------------------------------
main "${@}"

# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------