Fedora live

#!/bin/bash

BASEDIR='/home/live/kickstart'

lnk=`cat <<-'EOF'
BEGIN {
    FS="";
}

{
    s="";
    cnt=0;
    q=0;
    sep=substr($0, 1, 1);
    for (i=1; i<=NF; i++) {
    chr=substr($0, i, 1);
    if (chr==sep) {
        q=1-q;
        cnt++;
    } else {
        if (cnt==3) s=s chr;
    }
    }
    s=s "\n";
}

END {
    printf("%s", s);
}
EOF`

handle_chown() {
    u="$1"
    g="$2"
    for ((j=0; j<${#user_src[@]}; j++)); do
    if [ x"${user_src[j]}" = x"$u" -o x"${user_src[j]}" = x'*' ]; then
        u="${user_dst[j]}"
        break
    fi
    done
    for ((j=0; j<${#group_src[@]}; j++)); do
    if [ x"${group_src[j]}" = x"$g" -o x"${group_src[j]}" = x'*' ]; then
        g="${group_dst[j]}"
        break
    fi
    done
    echo "${4:-}chown $u:$g '$3'"
}

walk() {
    ls -UA1 |\
    while read -r name; do
        read -r perm user group <<<"`stat -c '0%a %U %G' "$name"`"
        if [ -h "$name" ]; then
        target="`stat -c '%N' "$name" | awk "$lnk"`"
        echo "ln -s '$target' '$1/$name'"
        elif cd "$name" &>/dev/null; then
        echo "if [ ! -d '$1/$name' ]; then"
        echo "  mkdir -p '$1/$name'"
        echo "  chmod $perm '$1/$name'"
        handle_chown "$user" "$group" "$1/$name" '  '
        echo "fi"
        walk "$1/$name"
        cd ..
        elif [ -f "$name" ]; then
        echo "base64 -di >'$1/$name' <<'End_Of_File'"
        base64 -w76 <"$name"
        echo 'End_Of_File'
        echo "chmod $perm '$1/$name'"
        handle_chown "$user" "$group" "$1/$name"
        fi
    done
}

insert() {
    if [ $# -lt 2 -o $# -gt 3 ]; then
    echo '# Previous line ignored!'
    echo
    return 0
    fi
    unset group_src group_dst user_src user_dst
    if [ $# -eq 3 ]; then
    i=1
    userptr=0
    groupptr=0
    while a="`cut -d, -f$i <<<"$3"`"; [ ! -z "$a" ]; do
        read -r a1 a2 <<<"`sed -r 's/->/ /' <<<"$a"`"
        if [ x"${a1:0:1}" = x':' ]; then
        group_src[groupptr]="${a1:1}"
        group_dst[groupptr++]="${a2:1}"
        else
        user_src[userptr]="$a1"
        user_dst[userptr++]="$a2"
        fi
        ((i++))
    done
    fi
    echo '%post'
    DEST="${2%/}"
    pushd "$1" &>/dev/null
    walk "$DEST"
    popd &>/dev/null
    echo '%end'
}

parser() {
    if [ $# -ne 1 ]; then
    echo "Too many or missing '*.kst' files" &>2
    exit 1
    fi
    OUT='live.ks'
    while read -r; do
    echo "$REPLY"
    [ x"$REPLY" = x ] && continue
    [ "${REPLY:0:1}" != '#' ] && continue
    [ ${#REPLY} -eq 1 ] && continue
    case "${REPLY:1:1}" in
        ':')    eval echo \"${REPLY:2}\";;
        '>')    param="`sed -r "s/([^ ]+) +([^ ]+) +([^ ]+)/\1 \2 '\3'/" <<<"${REPLY:2}"`"
            eval insert "$param";;
    esac
    done <"$1" >"$OUT"
}

pushd "$BASEDIR" &>/dev/null
rm -Rf rep
cp -a repo rep
createrepo rep
parser *.kst
DISTRIB=`cut -d' ' -f1 /etc/system-release`
RELEASE=`cut -d' ' -f3 /etc/system-release`
su -c  "setenforce 0
    livecd-creator --verbose\
        --config=\"live.ks\"\
        --fslabel=\"$DISTRIB-$RELEASE-live.i686\"\
        --cache=\"/var/cache/live\"
    echo \"Exit code: $?\"
    setenforce 1"
popd &>/dev/null
sync
exit 0