Annotation of /trunk/mage/usr/lib/mage/etc-update

#!/bin/bash
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/etc-update,v 1.7 2005-10-26 08:11:30 niro Exp $

# Author Brandon Low <lostlogic@gentoo.org>
#
# Previous version (from which I've borrowed a few bits) by:
# Jochem Kossen <j.kossen@home.nl>
# Leo Lipelis <aeoo@gentoo.org>
# Karl Trygve Kalleberg <karltk@gentoo.org>
#
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/etc-update,v 1.7 2005-10-26 08:11:30 niro Exp $

# Modified by Niels Rogalla <niro@magellan-linux.de> to use this  with Magellan-Linux
# version: 0.4.0-r8

export PORTAGE_CALLER="etc-update"

function get_config() {
	item=$1

	# First strip off comment lines, then grab the configuration
	# item. If there's more than one of the same configuration item,
	# then allow the last setting to take precedence.
	cut -d'#' -f1-1 /etc/etc-update.conf | \
		sed -ne "s/^ *$item *= *\([\"']\{0,1\}\)\(.*\)\1/\2/p" |sed -e '$p;d'
}

function scan() {

	echo "Scanning Configuration files..."
	rm -rf ${TMP}/files > /dev/null 2>&1
	mkdir ${TMP}/files || die "Failed mkdir command!" 1
	count=0
	input=0
	
	for path in ${CONFIG_PROTECT}; do if [ -d ${path} ]; then
		ofile=""
		for file in `find ${path}/ -iname "._cfg????_*" |
			   sed -e "s:\(^.*/\)\(\._cfg[0-9]*_\)\(.*$\):\1\2\3\%\2\%\3:" |
			   sort -t'%' -k3 -k2 | LANG=POSIX LC_ALL=POSIX cut -f1 -d'%'`; do
			rpath=`echo "${file/\/\///}" | sed -e "s:/[^/]*$::"`
			rfile=`echo "${file/\/\///}" | sed -e "s:^.*/::"`
			for mpath in ${CONFIG_PROTECT_MASK}; do
				if [[ "${rpath}" == "${mpath}"* ]]; then
					mv ${rpath}/${rfile} ${rpath}/${rfile:10}
					break
				fi
			done
			[ ! -f ${file} ] && continue


			if [[ "${ofile:10}" != "${rfile:10}" ]] || 
			   [[ ${opath} != ${rpath} ]]; then
				MATCHES=0
				if [[ "${EU_AUTOMERGE}" == "yes" ]]; then
					if [ ! -e "${rpath}/${rfile}" ] || [ ! -e "${rpath}/${rfile:10}" ]; then
						MATCHES=0
					else
						diff -Bbua ${rpath}/${rfile} ${rpath}/${rfile:10} | egrep '^[+-]' | egrep -v '^[+-][\t ]*#|^--- |^\+\+\+ ' | egrep -qv '^[-+][\t ]*$'
						MATCHES=$?
					fi
				elif [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${rfile:10}|
							  grep "^[+-][^+-]"|grep -v '# .Header:.*'` ]]; then
					MATCHES=1
				fi
				if [[ "${MATCHES}" == "1" ]]; then
					echo "Automerging trivial changes in: ${rfile:10}"
					mv ${rpath}/${rfile} ${rpath}/${rfile:10}
					continue
				else
					count=${count}+1
					echo "${rpath}/${rfile:10}" > ${TMP}/files/${count}
					echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
					ofile="${rfile}"
					opath="${rpath}"
					continue
				fi
			fi

			if [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${ofile}|
					  grep "^[+-][^+-]"|grep -v '# .Header:.*'` ]]; then
				mv ${rpath}/${rfile} ${rpath}/${ofile}
				continue
			else
				echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
				ofile="${rfile}"
				opath="${rpath}"
			fi
		done
	fi; done

}

function sel_file() {
	local -i isfirst=0
	until [ -f ${TMP}/files/${input} ] || [ ${input} == -1 ] || [ ${input} == -3 ]; do
		for file in `ls ${TMP}/files|sort -n`; do
			if (( ${isfirst} == 0 )); then
				isfirst=${file}
			fi
			echo -n "${file}${PAR} "
			if (( ${mode} == 0 )); then
				for word in `cat ${TMP}/files/${file}`; do
					echo ${word}
				done
			else
				head -n1 ${TMP}/files/${file}
			fi
		done > ${TMP}/menuitems

		if [ "${OVERWRITE_ALL}" == "yes" ]; then
			input=0
		else
			if (( ${mode} == 0 )); then
				echo "The following is the list of files which need updating, each 
configuration file is followed by a list of possible replacement files."
			else
				local my_title="Please select a file to update"
			fi

			if (( ${mode} == 0 )); then
				cat ${TMP}/menuitems
				echo    "Please select a file to edit by entering the corresponding number."
				echo    "              (don't use -3 or -5 if you're unsure what to do)"
				echo    "              (-1 to exit) (-3 to auto merge all remaining files)"
				echo -n "                           (-5 to auto-merge AND not use 'mv -i'): "
				read input
			else
				dialog --title "${title}" --menu "${my_title}" \
					0 0 0 `echo "-1 Exit";cat ${TMP}/menuitems` \
					2> ${TMP}/input
				input=`cat ${TMP}/input`
			fi
			if (( ${input} == -5 )); then
				input=-3
				export mv_opts=""
			fi
			if (( ${input} == -3 )); then
				input=0
				export OVERWRITE_ALL="yes"
			fi
		fi # -3 automerge
		if (( ${input} == 0 )); then
			input=${isfirst}
		fi
	done
}

function do_file() {
	echo
	local -i my_input
	local -i fcount=0
	until (( `cat ${TMP}/files/${input}|wc -l` < 2 )); do
		my_input=0
		if (( `cat ${TMP}/files/${input}|wc -l` == 2 )); then
			my_input=1
		fi
		until (( ${my_input} > 0 )) && (( ${my_input} < `cat ${TMP}/files/${input}|wc -l` )); do
			fcount=0

			if [ "${OVERWRITE_ALL}" == "yes" ]; then
				my_input=0
			else
				for line in `cat ${TMP}/files/${input}`; do
					if (( ${fcount} > 0 )); then
						echo -n "${fcount}${PAR} "
						echo "${line}"
					else
						if (( ${mode} == 0 )); then
							echo "Below are the new config files for ${line}:"
						else
							local my_title="Please select a file to process for ${line}"
						fi
					fi
					fcount=${fcount}+1
				done > ${TMP}/menuitems

				if (( ${mode} == 0 )); then
					cat ${TMP}/menuitems
					echo -n "Please select a file to process (-1 to exit this file): "
					read my_input
				else
					dialog --title "${title}" --menu "${my_title}" \
						0 0 0 `cat ${TMP}/menuitems;echo "${fcount} Exit"` \
						2> ${TMP}/input
					my_input=`cat ${TMP}/input`
				fi
			fi # OVERWRITE_ALL

			if (( ${my_input} == 0 )); then
				my_input=1
			elif (( ${my_input} == -1 )); then
				input=0 
				return
			elif (( ${my_input} == ${fcount} )); then
				break
			fi
		done
		if (( ${my_input} == ${fcount} )); then
			break
		fi

		fcount=${my_input}+1

		file=`cat ${TMP}/files/${input} | sed -e "${fcount}p;d"`
		ofile=`head -n1 ${TMP}/files/${input}`

		do_cfg "${file}" "${ofile}"

		cat ${TMP}/files/${input}|sed -e "${fcount}!p;d" > ${TMP}/files/sed
		mv ${TMP}/files/sed ${TMP}/files/${input}

		if (( ${my_input} == -1 )); then
			break
		fi
	done
	echo
	rm ${TMP}/files/${input}
	count=${count}-1
}

function do_cfg() {
	
	local file="${1}"
	local ofile="${2}"
	local -i my_input=0
	
	until (( ${my_input} == -1 )) || [ ! -f ${file} ]; do
		if [ "${OVERWRITE_ALL}" == "yes" ]; then
			my_input=1
		else
		  showdiffcmd=$(echo "${diff_command}" |
				sed -e "s:%file1:${ofile}:" -e "s:%file2:${file}:")
				
			if [ "${using_editor}" == 0 ]; then
				(
					echo "Showing differences between ${ofile} and ${file}"
					${showdiffcmd}
				) | ${pager}
			else
				echo "Beginning of differences between ${ofile} and ${file}"
				${showdiffcmd}
				echo "End of differences between ${ofile} and ${file}"
			fi
			if [ -L "${file}" ]; then
				echo
				echo "-------------------------------------------------------------"
				echo "NOTE: File is a symlink to another file. REPLACE recommended."
				echo "      The original file may simply have moved. Please review."
				echo "-------------------------------------------------------------"
				echo
			fi
			echo -n "1) Replace original with update
2) Delete update, keeping original as is
3) Interactively merge original with update
4) Show differences again
Please select from the menu above (-1 to ignore this update): "
			read my_input
		fi
		
		case ${my_input} in
			1) echo "Replacing ${ofile} with ${file}"
			   mv ${mv_opts} ${file} ${ofile}
			   my_input=-1
			   continue
			   ;;
			2) echo "Deleting ${file}"
			   rm ${rm_opts} ${file}
			   continue
			   ;;
			3) do_merge "${file}" "${ofile}"
			   my_input=${?}
#			   [ ${my_input} == 255 ] && my_input=-1
			   continue
			   ;;
			4) continue
			   ;;
			*) continue
			   ;;
		esac
	done
}

function do_merge() {
	
	local file="${1}"
	local ofile="${2}"
	local mfile="${2}.merged"
	local -i my_input=0
	echo "${file} ${ofile} ${mfile}"

	if [ -e ${mfile} ] ; then
		echo "A previous version of the merged file exists, cleaning..."
		rm ${rm_opts} ${mfile}
	fi

	until (( ${my_input} == -1 )); do
		echo "Merging ${file} and ${ofile}"
		`echo "${merge_command}" |
		 sed -e "s:%merged:${mfile}:g" \
		 	 -e "s:%orig:${ofile}:g" \
			 -e "s:%new:${file}:g"`
		until (( ${my_input} == -1 )); do	
			echo -n "1) Replace ${ofile} with merged file
2) Show differences between merged file and original
3) Remerge original with update
4) Edit merged file
5) Return to the previous menu
Please select from the menu above (-1 to exit, losing this merge): "
			read my_input
			case ${my_input} in
				1) echo "Replacing ${ofile} with ${mfile}"
				   chmod --reference=${ofile} ${mfile}
				   mv ${mv_opts} ${mfile} ${ofile}
				   rm ${rm_opts} ${file}
				   return 255
				   ;;
				2) ( echo "Showing differences between ${ofile} and ${mfile}"
					 `echo "${diff_command}" | \
					  sed -e "s:%file1:${ofile}:" \
					  	  -e "s:%file2:${mfile}:"` ) | ${pager}
				   continue
				   ;;
				3) break
				   ;;
				4) ${EDITOR:-nano -w} "${mfile}"
				   continue
					 ;;
				5) rm ${rm_opts} ${mfile}
				   return 0
				   ;;
				*) continue
				   ;;
			esac
		done
	done
	rm ${rm_opts} ${mfile}
	return 255
}

function die() {
	trap "" term
	trap "" kill
	echo "Exiting: ${1}"
	rm -rf ${TMP}
	exit ${2}
}

#
# Run the script
#
scriptname=`basename $0`

trap die term

TMP="/tmp/$$"
rm -rf ${TMP} 2> /dev/null
mkdir ${TMP} || die "failed mkdir command!" 1

# I need the CONFIG_PROTECT value
#CONFIG_PROTECT=$(/usr/lib/portage/bin/portageq config_protect)
#CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq config_protect_mask)
source /etc/profile

# load etc-config's configuration
EU_AUTOMERGE=`get_config eu_automerge`
rm_opts=`get_config rm_opts`
mv_opts=`get_config mv_opts`
cp_opts=`get_config cp_opts`
pager=`get_config pager`
diff_command=`get_config diff_command`
using_editor=`get_config using_editor`
merge_command=`get_config merge_command`
declare -i mode=`get_config mode`
[ -z ${mode} ] && mode=0
[ -z "${pager}" ] && pager="cat"

#echo "rm_opts: $rm_opts, mv_opts: $mv_opts, cp_opts: $cp_opts"
#echo "pager: $pager, diff_command: $diff_command, merge_command: $merge_command" 

if (( ${mode} == 0 )); then
	PAR=")"
else
	PAR=""
fi

declare -i count=0
declare -i input=0
declare title="Gentoolkit's etc-update tool!"

scan

until (( ${input} == -1 )); do
	if (( ${count} == 0 )); then
		die "Nothing left to do; exiting. :)" 0
	fi
	sel_file
	if (( ${input} != -1 )); then
		do_file
	fi
done

die "User termination!" 0
1	niro	24	#!/bin/bash
2	niro	283	# Copyright 1999-2004 Gentoo Foundation
3			# Distributed under the terms of the GNU General Public License v2
4			# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/etc-update,v 1.7 2005-10-26 08:11:30 niro Exp $
5
6	niro	24	# Author Brandon Low <lostlogic@gentoo.org>
7			#
8			# Previous version (from which I've borrowed a few bits) by:
9			# Jochem Kossen <j.kossen@home.nl>
10			# Leo Lipelis <aeoo@gentoo.org>
11			# Karl Trygve Kalleberg <karltk@gentoo.org>
12			#
13	niro	283	# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/etc-update,v 1.7 2005-10-26 08:11:30 niro Exp $
14	niro	24
15	niro	283	# Modified by Niels Rogalla <niro@magellan-linux.de> to use this with Magellan-Linux
16			# version: 0.4.0-r8
17	niro	24
18			export PORTAGE_CALLER="etc-update"
19
20			function get_config() {
21			item=$1
22
23			# First strip off comment lines, then grab the configuration
24			# item. If there's more than one of the same configuration item,
25			# then allow the last setting to take precedence.
26			cut -d'#' -f1-1 /etc/etc-update.conf \| \
27	niro	283	sed -ne "s/^ $item = \([\"']\{0,1\}\)\(.\)\1/\2/p" \|sed -e '$p;d'
28	niro	24	}
29
30			function scan() {
31
32			echo "Scanning Configuration files..."
33			rm -rf ${TMP}/files > /dev/null 2>&1
34			mkdir ${TMP}/files \|\| die "Failed mkdir command!" 1
35			count=0
36			input=0
37
38			for path in ${CONFIG_PROTECT}; do if [ -d ${path} ]; then
39			ofile=""
40	niro	283	for file in `find ${path}/ -iname "._cfg????_*" \|
41			sed -e "s:\(^./\)\(\._cfg[0-9]_\)\(.*$\):\1\2\3\%\2\%\3:" \|
42			sort -t'%' -k3 -k2 \| LANG=POSIX LC_ALL=POSIX cut -f1 -d'%'`; do
43			rpath=`echo "${file/\/\///}" \| sed -e "s:/[^/]*$::"`
44			rfile=`echo "${file/\/\///}" \| sed -e "s:^.*/::"`
45	niro	24	for mpath in ${CONFIG_PROTECT_MASK}; do
46			if [[ "${rpath}" == "${mpath}"* ]]; then
47			mv ${rpath}/${rfile} ${rpath}/${rfile:10}
48			break
49			fi
50			done
51			[ ! -f ${file} ] && continue
52
53
54			if [[ "${ofile:10}" != "${rfile:10}" ]] \|\|
55			[[ ${opath} != ${rpath} ]]; then
56			MATCHES=0
57			if [[ "${EU_AUTOMERGE}" == "yes" ]]; then
58			if [ ! -e "${rpath}/${rfile}" ] \|\| [ ! -e "${rpath}/${rfile:10}" ]; then
59			MATCHES=0
60			else
61			diff -Bbua ${rpath}/${rfile} ${rpath}/${rfile:10} \| egrep '^[+-]' \| egrep -v '^[+-][\t ]#\|^--- \|^\+\+\+ ' \| egrep -qv '^[-+][\t ]$'
62			MATCHES=$?
63			fi
64			elif [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${rfile:10}\|
65			grep "^[+-][^+-]"\|grep -v '# .Header:.*'` ]]; then
66			MATCHES=1
67			fi
68			if [[ "${MATCHES}" == "1" ]]; then
69			echo "Automerging trivial changes in: ${rfile:10}"
70			mv ${rpath}/${rfile} ${rpath}/${rfile:10}
71			continue
72			else
73			count=${count}+1
74			echo "${rpath}/${rfile:10}" > ${TMP}/files/${count}
75			echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
76			ofile="${rfile}"
77			opath="${rpath}"
78			continue
79			fi
80			fi
81
82			if [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${ofile}\|
83			grep "^[+-][^+-]"\|grep -v '# .Header:.*'` ]]; then
84			mv ${rpath}/${rfile} ${rpath}/${ofile}
85			continue
86			else
87			echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
88			ofile="${rfile}"
89			opath="${rpath}"
90			fi
91			done
92			fi; done
93
94			}
95
96			function sel_file() {
97			local -i isfirst=0
98			until [ -f ${TMP}/files/${input} ] \|\| [ ${input} == -1 ] \|\| [ ${input} == -3 ]; do
99			for file in `ls ${TMP}/files\|sort -n`; do
100			if (( ${isfirst} == 0 )); then
101			isfirst=${file}
102			fi
103			echo -n "${file}${PAR} "
104			if (( ${mode} == 0 )); then
105			for word in `cat ${TMP}/files/${file}`; do
106			echo ${word}
107			done
108			else
109			head -n1 ${TMP}/files/${file}
110			fi
111			done > ${TMP}/menuitems
112
113			if [ "${OVERWRITE_ALL}" == "yes" ]; then
114			input=0
115			else
116			if (( ${mode} == 0 )); then
117			echo "The following is the list of files which need updating, each
118			configuration file is followed by a list of possible replacement files."
119			else
120			local my_title="Please select a file to update"
121			fi
122
123			if (( ${mode} == 0 )); then
124			cat ${TMP}/menuitems
125			echo "Please select a file to edit by entering the corresponding number."
126	niro	283	echo " (don't use -3 or -5 if you're unsure what to do)"
127	niro	24	echo " (-1 to exit) (-3 to auto merge all remaining files)"
128			echo -n " (-5 to auto-merge AND not use 'mv -i'): "
129			read input
130			else
131			dialog --title "${title}" --menu "${my_title}" \
132			0 0 0 `echo "-1 Exit";cat ${TMP}/menuitems` \
133			2> ${TMP}/input
134			input=`cat ${TMP}/input`
135			fi
136			if (( ${input} == -5 )); then
137			input=-3
138			export mv_opts=""
139			fi
140			if (( ${input} == -3 )); then
141			input=0
142			export OVERWRITE_ALL="yes"
143			fi
144			fi # -3 automerge
145			if (( ${input} == 0 )); then
146			input=${isfirst}
147			fi
148			done
149			}
150
151			function do_file() {
152			echo
153			local -i my_input
154			local -i fcount=0
155			until (( `cat ${TMP}/files/${input}\|wc -l` < 2 )); do
156			my_input=0
157			if (( `cat ${TMP}/files/${input}\|wc -l` == 2 )); then
158			my_input=1
159			fi
160			until (( ${my_input} > 0 )) && (( ${my_input} < `cat ${TMP}/files/${input}\|wc -l` )); do
161			fcount=0
162
163			if [ "${OVERWRITE_ALL}" == "yes" ]; then
164			my_input=0
165			else
166			for line in `cat ${TMP}/files/${input}`; do
167			if (( ${fcount} > 0 )); then
168			echo -n "${fcount}${PAR} "
169			echo "${line}"
170			else
171			if (( ${mode} == 0 )); then
172			echo "Below are the new config files for ${line}:"
173			else
174			local my_title="Please select a file to process for ${line}"
175			fi
176			fi
177			fcount=${fcount}+1
178			done > ${TMP}/menuitems
179
180			if (( ${mode} == 0 )); then
181			cat ${TMP}/menuitems
182			echo -n "Please select a file to process (-1 to exit this file): "
183			read my_input
184			else
185			dialog --title "${title}" --menu "${my_title}" \
186			0 0 0 `cat ${TMP}/menuitems;echo "${fcount} Exit"` \
187			2> ${TMP}/input
188			my_input=`cat ${TMP}/input`
189			fi
190			fi # OVERWRITE_ALL
191
192			if (( ${my_input} == 0 )); then
193			my_input=1
194			elif (( ${my_input} == -1 )); then
195	niro	283	input=0
196	niro	24	return
197			elif (( ${my_input} == ${fcount} )); then
198			break
199			fi
200			done
201			if (( ${my_input} == ${fcount} )); then
202			break
203			fi
204
205			fcount=${my_input}+1
206
207			file=`cat ${TMP}/files/${input} \| sed -e "${fcount}p;d"`
208			ofile=`head -n1 ${TMP}/files/${input}`
209
210			do_cfg "${file}" "${ofile}"
211
212			cat ${TMP}/files/${input}\|sed -e "${fcount}!p;d" > ${TMP}/files/sed
213			mv ${TMP}/files/sed ${TMP}/files/${input}
214
215			if (( ${my_input} == -1 )); then
216			break
217			fi
218			done
219			echo
220			rm ${TMP}/files/${input}
221			count=${count}-1
222			}
223
224			function do_cfg() {
225
226			local file="${1}"
227			local ofile="${2}"
228			local -i my_input=0
229
230			until (( ${my_input} == -1 )) \|\| [ ! -f ${file} ]; do
231			if [ "${OVERWRITE_ALL}" == "yes" ]; then
232			my_input=1
233			else
234			showdiffcmd=$(echo "${diff_command}" \|
235			sed -e "s:%file1:${ofile}:" -e "s:%file2:${file}:")
236
237			if [ "${using_editor}" == 0 ]; then
238			(
239			echo "Showing differences between ${ofile} and ${file}"
240			${showdiffcmd}
241			) \| ${pager}
242			else
243			echo "Beginning of differences between ${ofile} and ${file}"
244			${showdiffcmd}
245			echo "End of differences between ${ofile} and ${file}"
246			fi
247			if [ -L "${file}" ]; then
248			echo
249			echo "-------------------------------------------------------------"
250			echo "NOTE: File is a symlink to another file. REPLACE recommended."
251			echo " The original file may simply have moved. Please review."
252			echo "-------------------------------------------------------------"
253			echo
254			fi
255			echo -n "1) Replace original with update
256			2) Delete update, keeping original as is
257			3) Interactively merge original with update
258			4) Show differences again
259			Please select from the menu above (-1 to ignore this update): "
260			read my_input
261			fi
262
263			case ${my_input} in
264			1) echo "Replacing ${ofile} with ${file}"
265			mv ${mv_opts} ${file} ${ofile}
266	niro	283	my_input=-1
267	niro	24	continue
268			;;
269			2) echo "Deleting ${file}"
270			rm ${rm_opts} ${file}
271			continue
272			;;
273			3) do_merge "${file}" "${ofile}"
274			my_input=${?}
275			# [ ${my_input} == 255 ] && my_input=-1
276			continue
277			;;
278			4) continue
279			;;
280			*) continue
281			;;
282			esac
283			done
284			}
285
286			function do_merge() {
287
288			local file="${1}"
289			local ofile="${2}"
290			local mfile="${2}.merged"
291			local -i my_input=0
292			echo "${file} ${ofile} ${mfile}"
293
294			if [ -e ${mfile} ] ; then
295			echo "A previous version of the merged file exists, cleaning..."
296			rm ${rm_opts} ${mfile}
297			fi
298
299			until (( ${my_input} == -1 )); do
300			echo "Merging ${file} and ${ofile}"
301			`echo "${merge_command}" \|
302			sed -e "s:%merged:${mfile}:g" \
303			-e "s:%orig:${ofile}:g" \
304			-e "s:%new:${file}:g"`
305			until (( ${my_input} == -1 )); do
306			echo -n "1) Replace ${ofile} with merged file
307			2) Show differences between merged file and original
308			3) Remerge original with update
309			4) Edit merged file
310			5) Return to the previous menu
311			Please select from the menu above (-1 to exit, losing this merge): "
312			read my_input
313			case ${my_input} in
314			1) echo "Replacing ${ofile} with ${mfile}"
315			chmod --reference=${ofile} ${mfile}
316			mv ${mv_opts} ${mfile} ${ofile}
317			rm ${rm_opts} ${file}
318			return 255
319			;;
320			2) ( echo "Showing differences between ${ofile} and ${mfile}"
321			`echo "${diff_command}" \| \
322			sed -e "s:%file1:${ofile}:" \
323			-e "s:%file2:${mfile}:"` ) \| ${pager}
324			continue
325			;;
326			3) break
327			;;
328			4) ${EDITOR:-nano -w} "${mfile}"
329			continue
330			;;
331			5) rm ${rm_opts} ${mfile}
332			return 0
333			;;
334			*) continue
335			;;
336			esac
337			done
338			done
339			rm ${rm_opts} ${mfile}
340			return 255
341			}
342
343			function die() {
344			trap "" term
345			trap "" kill
346			echo "Exiting: ${1}"
347			rm -rf ${TMP}
348			exit ${2}
349			}
350
351			#
352			# Run the script
353			#
354			scriptname=`basename $0`
355
356			trap die term
357
358	niro	283	TMP="/tmp/$$"
359	niro	24	rm -rf ${TMP} 2> /dev/null
360			mkdir ${TMP} \|\| die "failed mkdir command!" 1
361
362			# I need the CONFIG_PROTECT value
363			#CONFIG_PROTECT=$(/usr/lib/portage/bin/portageq config_protect)
364			#CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq config_protect_mask)
365			source /etc/profile
366
367			# load etc-config's configuration
368			EU_AUTOMERGE=`get_config eu_automerge`
369			rm_opts=`get_config rm_opts`
370			mv_opts=`get_config mv_opts`
371			cp_opts=`get_config cp_opts`
372			pager=`get_config pager`
373			diff_command=`get_config diff_command`
374			using_editor=`get_config using_editor`
375			merge_command=`get_config merge_command`
376			declare -i mode=`get_config mode`
377			[ -z ${mode} ] && mode=0
378			[ -z "${pager}" ] && pager="cat"
379
380			#echo "rm_opts: $rm_opts, mv_opts: $mv_opts, cp_opts: $cp_opts"
381			#echo "pager: $pager, diff_command: $diff_command, merge_command: $merge_command"
382
383			if (( ${mode} == 0 )); then
384			PAR=")"
385			else
386			PAR=""
387			fi
388
389			declare -i count=0
390			declare -i input=0
391			declare title="Gentoolkit's etc-update tool!"
392
393			scan
394
395			until (( ${input} == -1 )); do
396			if (( ${count} == 0 )); then
397			die "Nothing left to do; exiting. :)" 0
398			fi
399			sel_file
400			if (( ${input} != -1 )); then
401			do_file
402			fi
403			done
404
405			die "User termination!" 0