GIF89a=( �' 7IAXKgNgYvYx\%wh&h}t�h%�s%x�}9�R��&�0%� (�.��5�SD��&�a)�x5��;ͣ*ȡ&ղ)ׯ7׵<ѻ4�3�H֧KͯT��Y�aq��q��F� !� ' !� NETSCAPE2.0 , =( ��pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g���E�������R���E����B�� ��ȸ��D���"�Ů� �H��L��D٫D�B�����D���T���H �G��A R�ڐ |�� ٭&��E8�S�kG�A�px�a��� R2XB��E8I���6X�:vT)�~��q�賥��"F~%x� � 4#Z�0O|-4Bs�X:= Q� Sal��yXJ`GȦ|s h��K3l7�B|�$'7Jީܪ0!��D�n=�P� ����0`�R�lj����v>���5 �.69�ϸd�����nlv�9��f{���Pbx �l5}�p� ��� �3a���I�O����!ܾ���i��9��#��)p�a ޽ �{�)vm��%D~ 6f��s}Œ�D�W E�`!� �&L8x� �ܝ{)x`X/>�}m��R�*|`D�=�_ ^�5 !_&'a�O�7�c��`DCx`�¥�9�Y�F���`?��"� �n@`�} lď��@4>�d S �v�xN��"@~d��=�g�s~G��� ���ud &p8Q�)ƫlXD����A~H�ySun�j���k*D�LH�] ��C"J��Xb~ʪwSt}6K,��q�S:9ت:���l�@�`�� �.۬�t9�S�[:��=`9N����{¿�A !R�:���6��x�0�_ �;������^���#����!����U���;0L1�����p% A��U̬ݵ��%�S��!���~`�G���� ���=4�np�3���������u�u�ٮ|%2�I��r�#0��J``8�@S@5� ���^`8E�]�.�S���7 � �0�j S�D� z���i�S�����!���l��w9*�D�I�nEX��� &A�Go�Qf��F��;���}�J����F5��Q|���X��T��y���]� o ��C=��:���PB@ D׽S�(>�C�x}`��xJЬ�۠��p+eE0`�}`A �/NE�� �9@��� H�7�!%B0`�l*��!8 2�%� �:�1�0E��ux%nP1�!�C)�P81l�ɸF#Ƭ{����B0>�� �b�`��O3��()yRpb��E.ZD8�H@% �Rx+%���c� ���f��b�d�`F�"8�XH"��-�|1�6iI, 2�$+](A*j� QT�o0.�U�`�R�}`�SN����yae�����b��o~ S)�y�@��3 �tT�0�&�+~L�f"�-|�~��>!�v��~�\Q1)}@�}h#aP72�"�$ !� " , =( &7IAXG]KgNgYvYxR"k\%w]'}h}t�h%�g+�s%r.m3ax3�x�}9��&��+�!7�0%� (�.�SD��&��;�"&ײ)׻4��6�K� �@pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g �� E �� �������E �´��C���ǶR��D��"Ʒ�ʱH��M��GڬD�B����D��T����G���C�C� l&�~:'�tU�6ɹ#��)�'�.6�&��Ȼ K(8p0N�?!�2"��NIJX>R��OM '��2�*x�>#n� �@<[:�I�f ��T���Cdb��[�}E�5MBo��@�`@��tW-3 �x�B���jI�&E�9[T&$��ﯧ&"s��ȳ����dc�UUρ#���ldj?����`\}���u|3'�R]�6 �S#�!�FKL�*N E���`$�:e�YD�q�.�촁�s \-�jA 9�����-��M[�x(�s��x�|���p��}k�T�DpE@W� ��]k`1� ���Yb ��0l��*n0��"~zBd�~u�7�0Bl��0-�x~|U�U0 �h�*HS�|��e"#"?vp�i`e6^�+q��`m8 #V�� ��VS|`��"m"сSn|@:U���~`pb�G�ED����2F�I�? >�x� R� ��%~jx��<�a�9ij�2�D��&: Z`�]w���:�6��B�7eFJ|�ҧ�,���FǮcS�ʶ+B�,�ܺN���>PAD�HD��~���n��}�#�� Q��S���2�X�{�k�lQ�2�����w�|2� h9��G�,m���3��6-��E�L��I�³*K���q�`DwV�QXS��peS��� qܧTS����R�u �<�a�*At�lmE� � ��N[P1�ۦ��$��@`��Dpy�yXvCAy�B`}D� 0QwG#� �a[^�� $���Ǧ{L�"[��K�g�;�S~��GX.�goT.��ư��x���?1z��x~:�g�|�L� ��S`��0S]P�^p F<""�?!,�!N4&P� ����:T�@h�9%t��:�-~�I<`�9p I&.)^ 40D#p@�j4�ج:�01��rܼF2oW�#Z ;$Q q  �K��Nl#29 !F@�Bh�ᏬL!XF�LHKh�.�hE&J�G��<"WN!�����Y@� >R~19J"�2,/ &.GXB%�R�9B6�W]���W�I�$��9�RE8Y� ��"�A5�Q.axB�&ة�J�! �t)K%tS-�JF b�NMxL��)�R��"���6O!TH�H� 0 !� ) , =( &AXKgNgYvYxR"k\%wh&h}h%�g+�s%r.x3�x�}9��&��+�R,�!7�0%� (�.��5��&�a)��;�"&ף*Ȳ)ׯ7׻4�3��6�H֧KͻH�T��Y��q��h� ��pH,�Ȥr�l:xШtJ�Z�جv��z��xL.:��z�n���|N�����~�������& !�0`9R�}��"�"a:S�~x��������g �� E$����� � ����$E$��"��D� � ������R��C��� E ��H�M��G�D� �B��ϾD��a��`1r��Ӑ�� �o~�zU!L�C'�yW�UGt����ll�0���uG�)A�s[��x� �xO%��X2�  P�n:R/��aHae+�Dm?# ǣ6�8�J�x�Di�M���j���5oQ7�- <! *�l��R2r/a!l)d� A"�E���� &� ;��c �%����b��pe~C"B���H�eF2��`8qb�t_`ur`e� w�u3��Pv�h""�`�Íx�LĹ��3� �~ֺ�:���MDfJ� �۵�W�%�S�X �؁)�@��:E��w�u�Sxb8y\m�zS��Zb�E�L��w!y(>�"w�=�|��s�d �C�W)H�cC$�L �7r.�\{)@�`@ �X�$PD `aaG:���O�72E�amn]�"Rc�x�R� &dR8`g��i�xLR!�P &d����T���i�|�_ � Qi�#�`g:��:noM� :V �)p����W&a=�e�k� j���1߲s�x�W�jal|0��B0�, \j۴:6���C ��W��|��9���zĸV {�;��n��V�m�I��.��PN� ����C��+��By�ѾHŸ:��� 7�Y�FTk�SaoaY$D�S���29R�kt� ��f� ��:��Sp�3�I��DZ� �9���g��u�*3)O��[_hv ,���Et x�BH� �[��64M@�S�M7d�l�ܶ5-��U܍��z�R3Ԭ3~ ��P��5�g: ���kN�&0�j4���#{��3S�2�K�'ợl���2K{� {۶?~m𸧠�I�nE�='����^���_�=��~�#O���'���o..�Y�n��CSO��a��K��o,���b�����{�C�� "�{�K ��w��Ozdը�:$ ���v�] A#� ���a�z)Rx׿ƥ�d``�w-�y�f�K!����|��P��=�`�(f��'Pa ��BJa%��f�%`�}F����6>��`G"�}�=�!o`�^FP�ةQ�C���`(�}\�ݮ ��$<��n@dĠE#��U�I�!� #l��9`k���'Rr��Z�NB�MF �[�+9���-�wj���8�r� ,V�h"�|�S=�G_��"E� 0i*%̲��da0mVk�):;&6p>�jK ��# �D�:�c?:R Ӭf��I-�"�<�="��7�3S��c2RW ,�8(T"P0F¡Jh�" ; 403WebShell
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Current File : /usr/bin/ucf
#!/bin/bash
#                               -*- Mode: Sh -*-
# updateConfFile.sh ---
# Author           : Manoj Srivastava ( srivasta@glaurung.green-gryphon.com )
# Created On       : Fri Feb  1 03:41:47 2002
# Created On Node  : glaurung.green-gryphon.com
# Last Modified By : Manoj Srivastava
# Last Modified On : Tue Jun  6 09:48:22 2006
# Last Machine Used: glaurung.internal.golden-gryphon.com
# Update Count     : 186
# Status           : Unknown, Use with caution!
# HISTORY          :
# Description      :
#
# This script attempts to provide conffile like handling for files not
# shipped in a Debian package, but handled by the postinst. Using this
# script, one may ship a bunch of default cofiguration files somewhere
# in /usr (/usr/share/<pkg> is a good location), and maintain files in
# /etc.
#
# The motivation for this script was to provide conffile like handling
# for start files for emacs lisp packages (for example,
# /etc/emacs21/site-stard.d/50psgml-init.el) These start files are not
# shipped with the package, instead, they are installed during the
# post installation configuration phase by the script
# /usr/lib/emacsen-common/emacs-package-install $package_name.
#
# This script is meant to be invoked by the packages install script at
# /usr/lib/emacsen-common/packages/install/$package_name for each
# flavour of installed emacsen by calling it with the proper values of
# new file (/usr/share/emacs/site-lisp/<pkg>/<pkg>-init.el), and dest file
# (/etc/emacs21/site-stard.d/50<pkg>-init.el)), and it should do the rest.
#

# make sure we exit on error
set -e

# set the version and revision
progname="`basename \"$0\"`"
pversion='$Revision: 1.26 $'

######################################################################
########                                                     #########
########              Utility functions                      #########
########                                                     #########
######################################################################
setq() {
    # Variable Value Doc_string
    if [ "x$2" = "x" ]; then
	echo >&2 "$progname: Unable to determine $3"
	exit 1;
    else
	if [ "x$VERBOSE" != "x" ]; then
	    echo >&2 "$progname: $3 is $2";
	fi
	eval "$1=\"\$2\"";
    fi
}

# Use debconf to show the differences
show_diff() {
    if [ -z "$1" ]; then
	DIFF="There are no non-white space differences in the files."
    else
        if  [ 99999 -lt $(echo $1 | wc -c | awk '{print $1; }') ]; then
            DIFF="The differences between the files are too large to display."
        else
            DIFF="$1"
        fi
    fi
    if [ "$DEBCONF_OK" = "YES" ] && [ "$DEBIAN_HAS_FRONTEND" ]; then
	templ=ucf/show_diff
	db_capb escape
	db_subst $templ DIFF "$(printf %s "$DIFF" | debconf-escape -e)"
	db_fset $templ seen false
	db_input critical $templ || true
	db_go || true
	db_get $templ
	# may contain sensitive information, so clear
	# immediatly after use so it is never written
	# to disk
	db_subst $templ DIFF ""
	db_reset $templ 
	db_capb
    else
	echo "$DIFF" | sensible-pager
    fi
}

withecho () {
        echo " $@" >&2
        "$@"
}

usageversion () {
        cat >&2 <<END
Debian GNU/Linux $progname $pversion.
           Copyright (C) 2002-2005 Manoj Srivastava.
This is free software; see the GNU General Public Licence for copying
conditions.  There is NO warranty.

Usage: $progname  [options] new_file  destination
Options:
     -h,     --help          print this message
     -s foo, --src-dir  foo  Set the src dir (historical md5sums live here)
             --sum-file bar  Force the historical md5sums to be read from
                             this file.  Overrides any setting of --src-dir.
     -d [n], --debug    [n]  Set the Debug level to N
     -n,     --no-action     Dry run. No action is actually taken.
     -v,     --verbose       Make the script verbose
             --three-way     Register this file in the cache, and turn on the
                             diff3 option allowing the merging of maintainer
                             changes into a (potentially modified) local 
                             configuration file. )
             --state-dir bar Set the state directory to bar instead of the
                             default '/var/lib/ucf'. Used mostly for testing.
             --debconf-ok    Indicate that it is ok for uct to use an already
                             running debconf instance for prompting.
             --debconf-template bar
                             Specify an alternate, caller-provided debconf
                             template to use for prompting.
Usage: $progname  -p  destination
     -p,     --purge         Remove any reference to destination from records

By default, the directory the new_file lives in is assumed to be the src-dir,
which is where we look for any historical md5sums.

END
	
}

######################################################################
########                                                     #########
########        file and hash save/restore functions         #########
########                                                     #########
######################################################################
purge_md5sum () {
    for i in $(/usr/bin/seq 6 -1 0); do
	if [ -e "${statedir}/hashfile.${i}" ]; then
	    if [ "X$docmd" = "XYES" ]; then
		cp -pf "${statedir}/hashfile.${i}" \
		    "${statedir}/hashfile.$(($i+1))"
	    else 
		echo cp -pf "${statedir}/hashfile.${i}" \
                          "${statedir}/hashfile.$(($i+1))"
	    fi 
	fi 
    done
    if [ -e "$statedir/hashfile" ]; then
	if [ "X$docmd" = "XYES" ]; then
	    cp -pf "$statedir/hashfile"  "$statedir/hashfile.0" 
	else
	    echo cp -pf "$statedir/hashfile"  "$statedir/hashfile.0" 
	fi
	if [ "X$docmd" = "XYES" ]; then
	    set +e
	    if [ "X$VERBOSE" != "X" ]; then
		echo "egrep -v [[:space:]]${safe_dest_file}$ $statedir/hashfile"
		egrep -v "[[:space:]]${safe_dest_file}$"  "$statedir/hashfile" \
		    || true;
	    fi
	    #echo "egrep -v [[:space:]]${safe_dest_file}$ $statedir/hashfile"
	    egrep -v "[[:space:]]${safe_dest_file}$" "$statedir/hashfile" > \
		"$statedir/hashfile.tmp" || true; 
	    if [ "X$docmd" = "XYES" ]; then
		mv -f "$statedir/hashfile.tmp"  "$statedir/hashfile" 
	    else
		echo mv -f "$statedir/hashfile.tmp"  "$statedir/hashfile"
	    fi
	    set -e
	fi
    fi
    test -n "$VERBOSE" && echo "The cache file is $cached_file"
    if [ ! -z "$cached_file" -a -f "$statedir/cache/$cached_file" ]; then
	$action rm -f "$statedir/cache/$cached_file"
    fi
}

replace_md5sum () {
    for i in $(/usr/bin/seq 6 -1 0); do
	if [ -e "${statedir}/hashfile.${i}" ]; then
	    if [ "X$docmd" = "XYES" ]; then
		cp -pf "${statedir}/hashfile.${i}" \
		    "${statedir}/hashfile.$(($i+1))"
	    else
		echo cp -pf "${statedir}/hashfile.${i}" \
		    "${statedir}/hashfile.$(($i+1))"
	    fi
	fi
    done
    if [ -e "$statedir/hashfile" ]; then
	if [ "X$docmd" = "XYES" ]; then
	    cp -pf "$statedir/hashfile"  "$statedir/hashfile.0" 
	else
	    echo cp -pf "$statedir/hashfile"  "$statedir/hashfile.0" 
	fi
	if [ "X$docmd" = "XYES" ]; then
	    set +e
	    if [ "X$VERBOSE" != "X" ]; then
		echo "(egrep -v \"[[:space:]]${safe_dest_file}$\" \"$statedir/hashfile\";"
		egrep -v "[[:space:]]${safe_dest_file}$"  "$statedir/hashfile" || true;
		 md5sum "$orig_new_file" | sed "s|$orig_new_file|$dest_file|" ;
	    fi
	    egrep -v "[[:space:]]${safe_dest_file}$" "$statedir/hashfile" > \
		"$statedir/hashfile.tmp" || true; 
	    md5sum "$orig_new_file" | sed "s|$orig_new_file|$dest_file|" >> \
		"$statedir/hashfile.tmp"; 
	    mv -f "$statedir/hashfile.tmp"  "$statedir/hashfile" 
	    set -e
	else
	    echo "(egrep -v \"[[:space:]]${safe_dest_file}$\" \"$statedir/hashfile\""
	    echo " md5sum \"$orig_new_file\" | sed \"s|$orig_new_file|$dest_file|\"; " 
	    echo ") | sort > \"$statedir/hashfile\""
	fi
    else
	if [ "X$docmd" = "XYES" ]; then
	    md5sum "$orig_new_file" | sed "s|$orig_new_file|$dest_file|"  > \
		"$statedir/hashfile" 
	else
	    echo " md5sum \"$orig_new_file\" | sed \"s|$orig_new_file|$dest_file|\" >" \
		"\"$statedir/hashfile\""
	fi
    fi
    file_size=$(stat -c '%s' "$orig_new_file")
    if [ "X$THREEWAY" != "X" ] || [ $file_size -lt 25600 ]; then
	$action cp -pf "$orig_new_file" "$statedir/cache/$cached_file"
    fi
    # cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
}

replace_conf_file () {
    # do not mangle $dest_file since it's the one registered in the hashfile
    # or we have been ask to register
    real_file="$dest_file"
    if [ -L "$dest_file" ]; then
	real_file="$(readlink -nf $dest_file || :)"
	if [ "x$real_file" = "x" ]; then
	    echo >&2 "$dest_file is a broken symlink!"
	    $action rm -f "$dest_file";
	    real_file="$dest_file"
	fi
    fi
    if [ -e "$real_file" ]; then
	if [ -z "$RETAIN_OLD" ]; then
	    #echo "Saving  ${real_file}.${OLD_SUFFIX},  in case."
	    if [ "x$VERBOSE" != "x" ]; then
		echo >&2 "Not saving ${real_file}, since it was unmodified"
	    fi
	else
	    $action cp -pf "${real_file}" "${real_file}.${OLD_SUFFIX}"
	fi
    fi
    $action cp -pf "$new_file" "${real_file}"
    replace_md5sum;
}

# Escape single quotes in the arguments passed in
quote_single() {
    echo "$1" | sed -e "s,','\\\\'',g"
}



######################################################################
########                                                     #########
########              Command line args                      #########
########                                                     #########
######################################################################
#
# Long term variables#
#
docmd='YES'
action='withecho'
action=
DEBUG=0
VERBOSE=''
statedir='/var/lib/ucf';
THREEWAY=

DIST_SUFFIX="ucf-dist"
NEW_SUFFIX="ucf-new"
OLD_SUFFIX="ucf-old"
ERR_SUFFIX="merge-error"
# save up the cmdline with proper quoting/escaping
for arg in "$@"; do
    saved="${saved:+$saved }'$(quote_single "$arg")'"
done


# Note that we use `"$@"' to let each command-line parameter expand to a
# separate word. The quotes around `$@' are essential!
# We need TEMP as the `eval set --' would nuke the return value of getopt.
TEMP=`getopt -a -o hs:d::D::nv -n "$progname" \
      --long help,src-dir:,sum-file:,dest-dir:,debug::,DEBUG::,no-action,purge,verbose,three-way,debconf-ok,debconf-template:,state-dir: \
             -- "$@"`

if [ $? != 0 ] ; then
    echo "Error handling options.Terminating..." >&2 ;
    exit 1 ;
fi

# Note the quotes around `$TEMP': they are essential!
eval set -- "$TEMP"

while true ; do
    case "$1" in
	-h|--help) usageversion;                        exit 0 ;;
	-n|--no-action) action='echo'; docmd='NO';      shift  ;;
	-v|--verbose) VERBOSE=1;                        shift  ;;
	-s|--src-dir)
	    opt_source_dir="$2";                       shift 2 ;;
	--sum-file)
	    opt_old_mdsum_file="$2";		  shift 2 ;;
	--state-dir)
	    opt_state_dir="$2";                        shift 2 ;;
	--debconf-template)
	    override_template="$2";                    shift 2 ;;
	-D|-d|--debug|--DEBUG)
            # d has an optional argument. As we are in quoted mode,
            # an empty parameter will be generated if its optional
            # argument is not found.
	    case "$2" in
		"") setq DEBUG 1    "The Debug value"; shift 2 ;;
		*)  setq DEBUG "$2" "The Debug value"; shift 2 ;;
	    esac ;;
        -p|--purge) PURGE=YES;                         shift   ;;
       --three-way) THREEWAY=YES;                       shift   ;;
       --debconf-ok) DEBCONF_OK=YES;                    shift   ;;
	--)  shift ;                                   break   ;;
	*) echo >&2 "Internal error!" ; exit 1 ;;
    esac
done


######################################################################
########                                                     #########
########              Sanity checking                        #########
########                                                     #########
######################################################################
# Need to run as root, or else the 
if test $(id -u) != 0; then
    if [ "$docmd" = "YES" ]; then
        echo "$progname: Need to be run as root." >&2
        echo "$progname: Setting up no action mode." >&2
        action='echo'; docmd='NO'; 
    fi
fi

if [ "X$PURGE" = "XYES" ]; then
    if [ $# != 1 ]; then
	echo >&2 "*** ERROR: Need exactly one argument when purging, got $#";
	echo >&2 ""
	usageversion;
	exit 0 ;		
    fi
    temp_dest_file=$1;
    setq dest_file "$(readlink -q -m $temp_dest_file)" "The Destination file";
else
    if [ $# != 2 ]; then
	echo >&2 "*** ERROR: Need exactly two arguments, got $#";
	echo >&2 ""
	usageversion;
	exit 0 ;
    fi
    temp_new_file=$1;
    temp_dest_file=$2;

    if [ ! -e "$temp_new_file" ]; then
	echo >&2 "Error: The new file ${temp_new_file} does not exist!";
	exit 1;
    fi
    setq new_file  "$(readlink -q -m $temp_new_file)"  "The new file";
    setq dest_file "$(readlink -q -m $temp_dest_file)" "The Destination file";
fi


safe_dest_file=$(echo $dest_file | perl -nle 'print "\Q$_\E\n"')



######################################################################
########                                                     #########
########              Set Default Values                     #########
########                                                     #########
######################################################################
# Load site defaults and over rides.
if [ -f /etc/ucf.conf ]; then
    . /etc/ucf.conf
fi

# Command line, env variable, config file, or default
if [ ! "x$opt_source_dir" = "x" ]; then
    setq source_dir "$opt_source_dir" "The Source directory"
elif [ ! "x$UCF_SOURCE_DIR" = "x" ]; then
    setq source_dir "$UCF_SOURCE_DIR" "The Source directory"
elif [ ! "x$conf_source_dir" = "x" ]; then
    setq source_dir "$conf_source_dir" "The Source directory"
else
    if [ "X$new_file" != "X" ]; then
	setq source_dir $(dirname "$new_file") "The Source directory"
    else
	setq source_dir /tmp "The Source directory"
    fi
    
fi

if [ "X$PAGER" != "X" ] && which $PAGER >/dev/null 2>&1 ; then
    my_pager=$(which $PAGER);
elif [ -s /usr/bin/pager ] && 
     [ "X$(readlink -e /usr/bin/pager || :)" != "X" ]; then
    my_pager=/usr/bin/pager
elif [ -x /usr/bin/sensible-pager ]; then
    my_pager=/usr/bin/sensible-pager
elif [ -x /bin/more ]; then
    my_pager=/bin/more
else
    my_pager=
fi



if [ "X$my_pager" = "X" ]; then
    STOP=YES
elif [ "X$my_pager" = "X/bin/more" ]; then
    STOP=YES
fi

# Command line, env variable, config file, or default
if [ ! "x$opt_state_dir" = "x" ]; then
    setq statedir "$opt_state_dir" "The State directory"
elif [ ! "x$UCF_STATE_DIR" = "x" ]; then
    setq statedir "$UCF_STATE_DIR" "The State directory"
elif [ ! "x$conf_state_dir" = "x" ]; then
    setq statedir "$conf_state_dir" "The State directory"
else
    setq statedir '/var/lib/ucf'  "The State directory"    
fi

# Command line, env variable, config file, or default
if [ ! "x$opt_force_conffold" = "x" ]; then
    setq force_conffold "$opt_force_conffold" "Keep the old file"
elif [ ! "x$UCF_FORCE_CONFFOLD" = "x" ]; then
    setq force_conffold "$UCF_FORCE_CONFFOLD" "Keep the old file"
elif [ ! "x$conf_force_conffold" = "x" ]; then
    setq force_conffold "$conf_force_conffold" "Keep the old file"
else
    force_conffold=''
fi

# Command line, env variable, config file, or default
if [ ! "x$opt_force_conffnew" = "x" ]; then
    setq force_conffnew "$opt_force_conffnew" "Replace the old file"
elif [ ! "x$UCF_FORCE_CONFFNEW" = "x" ]; then
    setq force_conffnew "$UCF_FORCE_CONFFNEW" "Replace the old file"
elif [ ! "x$conf_force_conffnew" = "x" ]; then
    setq force_conffnew "$conf_force_conffnew" "Replace the old file"
else
    force_conffnew=''
fi

# Command line, env variable, config file, or default
if [ ! "x$opt_force_conffmiss" = "x" ]; then
    setq force_conffmiss "$opt_force_conffmiss" "Replace any missing files"
elif [ ! "x$UCF_FORCE_CONFFMISS" = "x" ]; then
    setq force_conffmiss "$UCF_FORCE_CONFFMISS" "Replace any missing files"
elif [ ! "x$conf_force_conffmiss" = "x" ]; then
    setq force_conffmiss "$conf_force_conffmiss" "Replace any missing files"
else
    force_conffmiss=''
fi

if [ -n "$opt_old_mdsum_file" ]; then
    setq old_mdsum_file "$opt_old_mdsum_file" "The md5sum is found here"
elif [ ! "x$UCF_OLD_MDSUM_FILE" = "x" ]; then
    setq old_mdsum_file "$UCF_OLD_MDSUM_FILE" "The md5sum is found here"
elif [ ! "x$conf_old_mdsum_file" = "x" ]; then
    setq old_mdsum_file "$conf_old_mdsum_file" "Replace the old file"
else
    old_mdsum_file="$source_dir/"$(basename "${new_file}")".md5sum";
fi


######################################################################
########                                                     #########
########               More Sanity checking                  #########
########                                                     #########
######################################################################
if [ "X$force_conffold" != "X" -a "X$force_conffnew" != "X" ]; then
    echo >&2 "Error: Only one of force_conffold and force_conffnew should";
    echo >&2 "       be set";
    exit 1;
fi

# VERBOSE of 0 is supposed to be the same as not setting VERBOSE
if [ "X$VERBOSE" = "X0" ]; then
    VERBOSE=''
fi


#
if [ -e "$statedir/hashfile" -a ! -w "$statedir/hashfile" ]; then
    echo >&2 "ucf: do not have write privilege to the state data"
    if [ "X$docmd" = "XYES" ]; then
	exit 1;
    fi
fi

if [ ! -d $statedir/cache ]; then
    $action mkdir -p $statedir/cache ;
fi

# test and see if this file exists in the database
if [ -e "$statedir/hashfile" ]; then
    if [ "X$VERBOSE" != "X" ]; then
	echo >&2 "The hash file exists"
	echo egrep "[[:space:]]${safe_dest_file}$" "$statedir/hashfile"
	egrep "[[:space:]]${safe_dest_file}$" "$statedir/hashfile" || true
    fi
    lastsum=$(egrep "[[:space:]]${safe_dest_file}$" "$statedir/hashfile" | \
                   awk '{print $1;}' )
fi

old_mdsum_dir="$source_dir/"$(basename "${new_file}")".md5sum.d";
cached_file=$(echo $dest_file | tr / :)
######################################################################
########                                                     #########
########                  Debugging dump                     #########
########                                                     #########
######################################################################

if [ $DEBUG -gt 0 ]; then
    cat <<EOF
The new start file is      \`$new_file\'
The destination is         \`$dest_file\' (\`$safe_dest_file\')
The history is kept under  \'$source_dir\'
The file may be cached at \'$statedir/cache/$cached_file\'
EOF
    if [ -s "$dest_file" ]; then
	echo "The destination file exists, and has md5sum:"
	md5sum "$dest_file"
    else
	echo "The destination file does not exist."
    fi
    if [ "X$lastsum" != "X" ]; then
	echo "The old md5sum exists, and is:"
	echo $lastsum
    else 
	echo "The old md5sum does not exist."
        if [ -d "$old_mdsum_dir" -o -f "$old_mdsum_file" ]; then
            echo "However, there are historical md5sums around."
        fi
    fi
    if [ -e "$new_file" ]; then
	echo "The new file exists, and has md5sum:"
	md5sum "$new_file"
    else 
	echo "The new file does not exist."
    fi
    if [ -d "$old_mdsum_dir" ]; then
	echo "The historical md5sum dir $old_mdsum_dir exists"
    elif [ -f "$old_mdsum_file" ]; then
	echo "The historical md5sum file $old_mdsum_file exists"
    else
	echo "Historical md5sums are not available"
    fi
fi

######################################################################
########                                                     #########
########        Short circuit if we are purging              #########
########                                                     #########
######################################################################

if [ "X$PURGE" = "XYES" ]; then
    if [ "X$VERBOSE" != "X" ]; then
	echo >&2 "Preparing to purge ${dest_file}"
    fi
    purge_md5sum;
    exit 0;
fi


# now we can restore $@
eval set -- "$saved"

######################################################################
########                                                     #########
########                  DebConf stuff                      #########
########                                                     #########
######################################################################

# Is debconf already running? Kinda tricky, because it will be after the
# confmodule is sourced, so only test before that.
if [ -z "$DEBCONF_ALREADY_RUNNING" ]; then
    if [ "$DEBIAN_HAS_FRONTEND" ]; then
	DEBCONF_ALREADY_RUNNING='YES'
    else
	DEBCONF_ALREADY_RUNNING='NO'
    fi
fi

export DEBCONF_ALREADY_RUNNING

if [ -z "$DEBCONF_OK" ]; then
    if [ "$DEBCONF_ALREADY_RUNNING" = 'YES' ]; then
	DEBCONF_OK='NO'
    else
	DEBCONF_OK='YES'
    fi
fi

# Time to start nagging the users who call ucf without debconf-ok
if [ "$DEBCONF_ALREADY_RUNNING"  = 'YES' ] && [ "$DEBCONF_OK" = NO ]; then
	# Commented out for now, uncomment after a while to begin nagging
	# maintainers to fix their scripts.
	cat \
<<END
*** WARNING: ucf was run from a maintainer script that uses debconf, but
             the script did not pass --debconf-ok to ucf. The maintainer
             script should be fixed to not stop debconf before calling ucf,
             and pass it this parameter. For now, ucf will revert to using
             old-style, non-debconf prompting. Ugh!

             Please inform the package maintainer about this problem.
END
fi

# Start up debconf or at least get the db_* commands available
if [ -e /usr/share/debconf/confmodule ]; then
    if test $(id -u) = 0; then
	. /usr/share/debconf/confmodule

	# Load our templates, just in case our template has
	# not been loaded or the Debconf DB lost or corrupted
	# since then, but only if it is OK to use debconf.
        if [ "$DEBCONF_OK" = 'YES' ]; then
            db_x_loadtemplatefile /var/lib/dpkg/info/ucf.templates ucf
        fi
    else
        echo >&2 "$progname: Not loading confmodule, since we are not running as root."
    fi
    # Only set the title if debconf was not already running.
    # If it was running, then we do not want to clobber the
    # title used for configuring the whole package with debconf.
    if [ "$DEBCONF_ALREADY_RUNNING" = 'NO' ]; then
	if ! db_settitle ucf/title 2>/dev/null; then
      	    # Older debconf that does not support that command.
            if test $(id -u) = 0; then
		db_title "Modified configuration file"
            else
                echo >&2 "$progname: Not changing title, since we are not running as root."
            fi
	fi
    fi
fi
	


######################################################################
########                                                     #########
########                Start Processing                     #########
########                                                     #########
######################################################################

orig_new_file="$new_file"	# Since sometimes we replace the newfile below
newsum=$(md5sum "$new_file" | awk '{print $1}')

# Determine the action for the current file. The default is to ask,
# with non-replacement being the norm.
# If the config dir exists
#   if file in always overwrite, state +=1;
#   fi
#   if file in never overwrite, state +=2;
#   fi
#   if file in ask; state +=4
#   fi
#   if state == 0; then state = default
#   if state >= 4; ask
#   if state == 3;  ask
#   if state == 2; exit
#   if state == 1; then replace_conffile; exit

######################################################################
########                                                     #########
########               Do the replacement                    #########
########                                                     #########
######################################################################
# Step 1: If we have no record of this file, and dest file
#         does, We need to determine how to initialize the
#         ${old_mdsum_prefix}.old file..               
if [ -e "$dest_file" ]; then
    destsum=$(md5sum "$dest_file"  | awk '{print $1}');
    if [ "X$lastsum" = "X" ]; then
#      a: If we have a directory containing historical md5sums of this
#         file in question, we should look and see if the currently
#         installed file matches any of the old md5sums; in which case
#         it can be silently replaced.
	if [ -d "$old_mdsum_dir" -o -f "$old_mdsum_file" ]; then
	    if [ -d "$old_mdsum_dir"  ]; then
		for file in ${old_mdsum_dir}/*; do
		    oldsum=$(cat "$file"  | awk '{print $1}');
		    if [ "$oldsum" = "$destsum"  ]; then
			if [ "X$force_conffold" = "X" ]; then
#                           Bingo! replace, set the md5sum, and we are done 
			    if [ "X$VERBOSE" != "X" ]; then
				echo >&2 \
				    "Replacing config file $dest_file with new version"
			    fi
			    replace_conf_file;
			    exit 0;
			else
			    replace_md5sum;
			    cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
			    exit 0;
			fi
		    fi
		done
	    elif [ -f "$old_mdsum_file" ]; then
		oldsum=$(egrep "^${destsum}" "$old_mdsum_file" || true)
		if [ "X$oldsum" != "X" ]; then
#                    Bingo
		    if [ "X$force_conffold" = "X" ]; then
			if [ "X$VERBOSE" != "X" ]; then
			    echo >&2 \
				"Replacing config file $dest_file with new version"
			fi
			replace_conf_file;
			exit 0;
		    else
			replace_md5sum;
			cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
			exit 0;
		    fi
		fi
	    fi
#	   Well, nothing matched. We now check to see if the
#	   maintainer has an opinion on how to set the ``md5sum of the
#	   previously installed version'', since we have no way of
#	   determining that automatically. Please note that unless
#	   there are limited number of previously released packages
#	   (like just one), the maintainer is also making a guess at
#	   this point by supplying a historical md5sum default file. 
	    if [ "X$VERBOSE" != "X" ]; then
		echo >&2 "Histotical md5sums did not match."
	    fi
	    if [ -d "$old_mdsum_dir"  ]; then
		if [ -e "${old_mdsum_dir}/default" ]; then
		    if [ "X$VERBOSE" != "X" ]; then
			echo >&2 "However, a default entry exists, using it."
		    fi
		    lastsum=$(cat "${old_mdsum_dir}/default" | \
			awk '{print $1;}')
		    do_replace_md5sum=1;
		fi
	    elif [ -f "$old_mdsum_file" ]; then
		oldsum=$(egrep "[[:space:]]default$" "$old_mdsum_file" | \
		    awk '{print $1;}')
		if [ "X$oldsum" != "X" ]; then
#                    Bingo
		    lastsum=$oldsum;
		    do_replace_md5sum=1;
		fi
	    fi
	fi

#       At this point, we are almost certain that either the
#       historical record of md5sums is not complete, or the user has
#       changed the configuration file. Rather than guessing and
#       chosing one of the historical md5sums, we fall through to the
#       solution used if there had been no historical md5sums
#       directory/file.
	if [ "X$lastsum" = "X" ]; then
#      b: We do not have a historical list of md5sums, or none
#         matched, and we still need to initialize the
#         ${old_mdsum_prefix}.old file. We can't determine whther or
#         not they made any changes, so we err on the side of caution
#         and ask'
	    if [ "X$VERBOSE" != "X" ]; then
		echo >&2 "No match found, we shall ask."
	    fi
	    lastsum='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA';
	fi # the old md5sum file does not exist, and the historical
	   # record failed
    fi # the old md5sum file does not exist (bug))
else  # "$dest_file" does not exist
# Step 2: If destfile does not exist, create it, set the file
#         "${old_mdsum_prefix}.old" to the md5sum of the new file, and we
#         are done
    if [ "X$lastsum" = "X" ]; then
        # Ok, so there is no indication that the package was ever
        # installed on this machine.
	echo >&2 ""
	echo >&2 "Creating config file $dest_file with new version"
	replace_conf_file;
	exit 0;
    elif [ "$lastsum" = "$newsum" ]; then
        # OK, new version of the file is the same as the last version
        # we saw. Since the user apparently has deleted the file,
        # nothing needs be done, unless we have been told differently
        if [ "X$force_conffmiss" != "X" ]; then
            echo >&2 ""
	    echo >&2 "Recreating deleted config file $dest_file with new version, as asked"
	    replace_conf_file;
	    exit 0;
        else
            echo >&2 "Not replacing deleted config file $dest_file";
        fi
        
    else
        # OK. New upstream version. 
        if [ "X$force_conffmiss" != "X" ]; then
            # User has said to replace missing files, so we do so, no
            # questions asked.
            echo >&2 ""
	    echo >&2 "Recreating deleted config file $dest_file with new version, as asked"
	    replace_conf_file;
	    exit 0;
        else
            # Even though the user has deleted this file, they should
            # be asked now, unless specified otherwise.
            if [ "X$force_conffold" = "X" ]; then
                destsum='AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA';
            else
                exit 0;
	    fi	
        fi        	
    fi
fi

# Here, the destfile exists.

# step 3: If the old md5sum and the md5sum of the new file
#         do not match, we need to take action.
if [ "$lastsum" = "$newsum" ]; then
    if [ "X$VERBOSE" != "X" ]; then
	echo >&2 "md5sums match, nothing needs be done."
    fi
    if [ "X$do_replace_md5sum" != "X" ]; then
	replace_md5sum;
    fi
    exit 0;			# Hah. Match. We are done.
fi
#      a: If the md5sum of the dest file is the same as lastsum, replace the 
#         destfile, saying we are replacing old config files
if [ "$destsum" = "$lastsum" ]; then
    if [ "X$force_conffold" = "X" ]; then
	echo >&2 "Replacing config file $dest_file with new version"
	replace_conf_file;
	exit 0;
    else
	replace_md5sum;
	cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
	exit 0;
    fi
else
#      b: If the md5sum of the dest file differs from lastsum, we need to ask
#         the user what action to take.
    if [ "X$force_conffnew" != "X" ]; then
	echo >&2 "Replacing config file $dest_file with new version"
	echo >&2 "even though the files differ, since you asked for it"
	replace_conf_file;
	exit 0;
    fi
    if [ "X$force_conffold" != "X" ]; then
	replace_md5sum;
	cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
	exit 0;
    fi
#      c: If the destination file is the same as the new maintianer provided one,
#         we need do nothing.
    if [ "$newsum" = "$destsum" ]; then
	if [ "X$VERBOSE" != "X" ]; then
	    echo >&2 "md5sums of the file in place matches, nothing needs be done."
	fi
	replace_md5sum;
	exit 0;			# Hah. Match. We are done.
    fi


    done='NO';
    while [ "X$done" = "XNO" ]; do
	if [ "$DEBCONF_OK" = "YES" ] && [ "$DEBIAN_HAS_FRONTEND" ]; then
		# Use debconf to prompt.
		if [ -e "$statedir/cache/$cached_file" ]; then
			templ=ucf/changeprompt_threeway
		else
			templ=ucf/changeprompt
		fi
		if [ "X$override_template" != "X" ]; then
			choices="$(db_metaget $templ Choices-C)"
			choices2="$(db_metaget $override_template Choices-C)"
			if [ "$choices" = "$choices2" ]; then
				templ=$override_template
			fi
		fi
		db_fset $templ seen false
		db_reset $templ
		db_subst $templ FILE "$dest_file"
		db_subst $templ BASENAME $(basename "$dest_file")
		db_input critical $templ || true
		if ! db_go; then
			# The current ucf interface does not provide a way for it
			# to tell its caller that the user chose to back up.
			# However, we could get here, if the caller turned on
			# debconf's backup capb. The best thing to do seems to be
			# to ignore requests to back up.
			continue
		fi
		db_get $templ
		ANSWER="$RET"
	else
            echo >&2 "Need debconf to interact"
            exit 2
########################################################################################
# 		# Prompt without using debconf.                                        #
# 		cat >&2 <<EOPRMT                                                       #
# Configuration file \`$dest_file'                                                     #
#  ==> File on system created by you or by a script.                                   #
#  ==> File also in package provided by package maintainer.                            #
#    What would you like to do about it ?  Your options are:                           #
#     Y or I  : install the package maintainer's version                               #
#     N or O  : keep your currently-installed version                                  #
#       D     : show the differences between the versions                              #
#       S     : show the side-by-side differences between the versions                 #
# EOPRMT                                                                               #
# 		if [ "X$THREEWAY" != "X" -a -e "$statedir/cache/$cached_file" ]; then  #
# 			cat >&2 <<EOTD                                                 #
#     3 or T  : show a three way difference between current, older,                    #
#               and new versions of the file                                           #
#       M     : Do a 3 way merge between current, older,                               #
#               and new versions of the file [Very Experimental]                       #
# EOTD                                                                                 #
# 		fi                                                                     #
# 		cat >&2 <<EOPEND                                                       #
#       Z     : start a new shell to examine the situation                             #
#  The default action is to keep your current version.                                 #
# EOPEND                                                                               #
# 		if [ "X$THREEWAY" != "X" -a -e "$statedir/cache/$cached_file" ]; then  #
# 			echo -n >&2 "*** " $(basename "$dest_file") \                  #
# 			    " (Y/I/N/O/D/3/T/M/Z) [default=N] ?"                       #
# 		else                                                                   #
# 			echo -n >&2 "*** " $(basename "$dest_file") \                  #
# 			    " (Y/I/N/O/D/Z) [default=N] ?"                             #
# 		fi                                                                     #
#   		read -e ANSWER </dev/tty                                               #
########################################################################################
	fi

	case "$ANSWER" in
	    install_new|y|Y|I|i)
		echo >&2 "Replacing config file $dest_file with new version"
		RETAIN_OLD=YES
		replace_conf_file;
		exit 0;
		;;
	    diff|D|d)
		if [ -e "$dest_file" ]; then
		    DIFF="$(diff -uBbw "$dest_file" "$new_file")" || true
		else
		    DIFF="$(diff -uBbw /dev/null "$new_file")" || true
		fi
		show_diff "$DIFF"
		;;
	    sdiff|S|s)
		if [ -e "$dest_file" ]; then
		    DIFF="$( sdiff -BbW "$dest_file" "$new_file")"  || true
		else
		    DIFF="$(sdiff -BbW /dev/null "$new_file")"  || true
		fi
		show_diff "$DIFF"
		;;
	    diff_threeway|3|t|T)
		if [ -e "$statedir/cache/$cached_file" \
		    -a "X$THREEWAY" != "X" ]; then
                    if [ -e "$dest_file" ]; then
		        DIFF="$(diff3 -L Current -L Older -L New -A \
			    "$dest_file" "$statedir/cache/$cached_file" \
			    "$new_file")"  || true
                    else
                        DIFF="$(diff3 -L Current -L Older -L New -A \
			    /dev/null "$statedir/cache/$cached_file" \
			    "$new_file")"  || true
                    fi
		    show_diff "$DIFF"
		else 
		    if [ -e "$dest_file" ]; then
			DIFF="$(diff -uBbw "$dest_file" "$new_file")"  || true
		    else
			DIFF="$(diff -uBbw /dev/null "$new_file")"  || true
		    fi
		    show_diff "$DIFF"
		fi
		;;
	    merge_threeway|M|m)
		echo >&2 "Merging changes into the new version"
		if [ -e "$statedir/cache/$cached_file" \
		    -a "X$THREEWAY" != "X" ]; then
		    ret=0
		    diff3 -L Current -L Older -L New -m \
			"$dest_file" "$statedir/cache/$cached_file" \
			"$new_file" > $dest_file.${NEW_SUFFIX} || ret=$?
                    case "$ret" in
                        0)
		            new_file="$dest_file.${NEW_SUFFIX}"
		            RETAIN_OLD=YES
		            replace_conf_file
			    rm -f "$dest_file.${NEW_SUFFIX}" # don't need this around no mo'
			    exit 0
                            ;;
                        *)
			    mv $dest_file.${NEW_SUFFIX} $dest_file.${ERR_SUFFIX} 
			    db_subst ucf/conflicts_found dest_file "$dest_file"
			    db_subst ucf/conflicts_found ERR_SUFFIX "${ERR_SUFFIX}"
			    db_input critical ucf/conflicts_found || true
			    db_go || true
			    ;;
                    esac
		else 
		    replace_conf_file
		    rm -f "$dest_file.${NEW_SUFFIX}" # don't need this around no mo'
		    exit 0
		fi
		;;
	    shell|Z|z)
                if tty -s; then
		    bash >/dev/tty </dev/tty || true
                elif [ -n "$DISPLAY" ]; then
                    x-terminal-emulator || true
                else
                    # Don't know what to do
                    echo >&2 "No terminal, and no DISPLAY set, can't fork shell."
                    sleep 3;
                fi
		;;
	    keep_current|n|N|o|O|'')
		replace_md5sum;

		cp -pf "$orig_new_file" "$dest_file.${DIST_SUFFIX}"
		exit 0;
		;;
	    *)
		if [ "$DEBCONF_OK" = "YES" ]; then
			echo "Error: unknown response from debconf:'$RET'" >&2
			exit 1
		else
			echo
			echo "Please answer with one of the single letters listed." >&2
			echo
		fi
	esac
    done
fi

db_stop

exit 0;

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