mage-next/src/etc-update.in

#!/bin/bash
# $Id$
#
# 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>
#

# 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	1544	# $Id$
3			#
4	niro	283	# Copyright 1999-2004 Gentoo Foundation
5			# Distributed under the terms of the GNU General Public License v2
6			# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/etc-update,v 1.7 2005-10-26 08:11:30 niro Exp $
7
8	niro	24	# Author Brandon Low <lostlogic@gentoo.org>
9			#
10			# Previous version (from which I've borrowed a few bits) by:
11			# Jochem Kossen <j.kossen@home.nl>
12			# Leo Lipelis <aeoo@gentoo.org>
13			# Karl Trygve Kalleberg <karltk@gentoo.org>
14			#
15
16	niro	1544	# Modified by Niels Rogalla <niro@magellan-linux.de> to use this with Magellan-Linux
17	niro	283	# version: 0.4.0-r8
18	niro	24
19			export PORTAGE_CALLER="etc-update"
20
21			function get_config() {
22			item=$1
23
24			# First strip off comment lines, then grab the configuration
25			# item. If there's more than one of the same configuration item,
26			# then allow the last setting to take precedence.
27			cut -d'#' -f1-1 /etc/etc-update.conf \| \
28	niro	283	sed -ne "s/^ $item = \([\"']\{0,1\}\)\(.\)\1/\2/p" \|sed -e '$p;d'
29	niro	24	}
30
31			function scan() {
32
33			echo "Scanning Configuration files..."
34			rm -rf ${TMP}/files > /dev/null 2>&1
35			mkdir ${TMP}/files \|\| die "Failed mkdir command!" 1
36			count=0
37			input=0
38
39			for path in ${CONFIG_PROTECT}; do if [ -d ${path} ]; then
40			ofile=""
41	niro	283	for file in `find ${path}/ -iname "._cfg????_*" \|
42			sed -e "s:\(^./\)\(\._cfg[0-9]_\)\(.*$\):\1\2\3\%\2\%\3:" \|
43			sort -t'%' -k3 -k2 \| LANG=POSIX LC_ALL=POSIX cut -f1 -d'%'`; do
44			rpath=`echo "${file/\/\///}" \| sed -e "s:/[^/]*$::"`
45			rfile=`echo "${file/\/\///}" \| sed -e "s:^.*/::"`
46	niro	24	for mpath in ${CONFIG_PROTECT_MASK}; do
47			if [[ "${rpath}" == "${mpath}"* ]]; then
48			mv ${rpath}/${rfile} ${rpath}/${rfile:10}
49			break
50			fi
51			done
52			[ ! -f ${file} ] && continue
53
54
55			if [[ "${ofile:10}" != "${rfile:10}" ]] \|\|
56			[[ ${opath} != ${rpath} ]]; then
57			MATCHES=0
58			if [[ "${EU_AUTOMERGE}" == "yes" ]]; then
59			if [ ! -e "${rpath}/${rfile}" ] \|\| [ ! -e "${rpath}/${rfile:10}" ]; then
60			MATCHES=0
61			else
62			diff -Bbua ${rpath}/${rfile} ${rpath}/${rfile:10} \| egrep '^[+-]' \| egrep -v '^[+-][\t ]#\|^--- \|^\+\+\+ ' \| egrep -qv '^[-+][\t ]$'
63			MATCHES=$?
64			fi
65			elif [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${rfile:10}\|
66			grep "^[+-][^+-]"\|grep -v '# .Header:.*'` ]]; then
67			MATCHES=1
68			fi
69			if [[ "${MATCHES}" == "1" ]]; then
70			echo "Automerging trivial changes in: ${rfile:10}"
71			mv ${rpath}/${rfile} ${rpath}/${rfile:10}
72			continue
73			else
74			count=${count}+1
75			echo "${rpath}/${rfile:10}" > ${TMP}/files/${count}
76			echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
77			ofile="${rfile}"
78			opath="${rpath}"
79			continue
80			fi
81			fi
82
83			if [[ -z `diff -Nua ${rpath}/${rfile} ${rpath}/${ofile}\|
84			grep "^[+-][^+-]"\|grep -v '# .Header:.*'` ]]; then
85			mv ${rpath}/${rfile} ${rpath}/${ofile}
86			continue
87			else
88			echo "${rpath}/${rfile}" >> ${TMP}/files/${count}
89			ofile="${rfile}"
90			opath="${rpath}"
91			fi
92			done
93			fi; done
94
95			}
96
97			function sel_file() {
98			local -i isfirst=0
99			until [ -f ${TMP}/files/${input} ] \|\| [ ${input} == -1 ] \|\| [ ${input} == -3 ]; do
100			for file in `ls ${TMP}/files\|sort -n`; do
101			if (( ${isfirst} == 0 )); then
102			isfirst=${file}
103			fi
104			echo -n "${file}${PAR} "
105			if (( ${mode} == 0 )); then
106			for word in `cat ${TMP}/files/${file}`; do
107			echo ${word}
108			done
109			else
110			head -n1 ${TMP}/files/${file}
111			fi
112			done > ${TMP}/menuitems
113
114			if [ "${OVERWRITE_ALL}" == "yes" ]; then
115			input=0
116			else
117			if (( ${mode} == 0 )); then
118			echo "The following is the list of files which need updating, each
119			configuration file is followed by a list of possible replacement files."
120			else
121			local my_title="Please select a file to update"
122			fi
123
124			if (( ${mode} == 0 )); then
125			cat ${TMP}/menuitems
126			echo "Please select a file to edit by entering the corresponding number."
127	niro	283	echo " (don't use -3 or -5 if you're unsure what to do)"
128	niro	24	echo " (-1 to exit) (-3 to auto merge all remaining files)"
129			echo -n " (-5 to auto-merge AND not use 'mv -i'): "
130			read input
131			else
132			dialog --title "${title}" --menu "${my_title}" \
133			0 0 0 `echo "-1 Exit";cat ${TMP}/menuitems` \
134			2> ${TMP}/input
135			input=`cat ${TMP}/input`
136			fi
137			if (( ${input} == -5 )); then
138			input=-3
139			export mv_opts=""
140			fi
141			if (( ${input} == -3 )); then
142			input=0
143			export OVERWRITE_ALL="yes"
144			fi
145			fi # -3 automerge
146			if (( ${input} == 0 )); then
147			input=${isfirst}
148			fi
149			done
150			}
151
152			function do_file() {
153			echo
154			local -i my_input
155			local -i fcount=0
156			until (( `cat ${TMP}/files/${input}\|wc -l` < 2 )); do
157			my_input=0
158			if (( `cat ${TMP}/files/${input}\|wc -l` == 2 )); then
159			my_input=1
160			fi
161			until (( ${my_input} > 0 )) && (( ${my_input} < `cat ${TMP}/files/${input}\|wc -l` )); do
162			fcount=0
163
164			if [ "${OVERWRITE_ALL}" == "yes" ]; then
165			my_input=0
166			else
167			for line in `cat ${TMP}/files/${input}`; do
168			if (( ${fcount} > 0 )); then
169			echo -n "${fcount}${PAR} "
170			echo "${line}"
171			else
172			if (( ${mode} == 0 )); then
173			echo "Below are the new config files for ${line}:"
174			else
175			local my_title="Please select a file to process for ${line}"
176			fi
177			fi
178			fcount=${fcount}+1
179			done > ${TMP}/menuitems
180
181			if (( ${mode} == 0 )); then
182			cat ${TMP}/menuitems
183			echo -n "Please select a file to process (-1 to exit this file): "
184			read my_input
185			else
186			dialog --title "${title}" --menu "${my_title}" \
187			0 0 0 `cat ${TMP}/menuitems;echo "${fcount} Exit"` \
188			2> ${TMP}/input
189			my_input=`cat ${TMP}/input`
190			fi
191			fi # OVERWRITE_ALL
192
193			if (( ${my_input} == 0 )); then
194			my_input=1
195			elif (( ${my_input} == -1 )); then
196	niro	283	input=0
197	niro	24	return
198			elif (( ${my_input} == ${fcount} )); then
199			break
200			fi
201			done
202			if (( ${my_input} == ${fcount} )); then
203			break
204			fi
205
206			fcount=${my_input}+1
207
208			file=`cat ${TMP}/files/${input} \| sed -e "${fcount}p;d"`
209			ofile=`head -n1 ${TMP}/files/${input}`
210
211			do_cfg "${file}" "${ofile}"
212
213			cat ${TMP}/files/${input}\|sed -e "${fcount}!p;d" > ${TMP}/files/sed
214			mv ${TMP}/files/sed ${TMP}/files/${input}
215
216			if (( ${my_input} == -1 )); then
217			break
218			fi
219			done
220			echo
221			rm ${TMP}/files/${input}
222			count=${count}-1
223			}
224
225			function do_cfg() {
226
227			local file="${1}"
228			local ofile="${2}"
229			local -i my_input=0
230
231			until (( ${my_input} == -1 )) \|\| [ ! -f ${file} ]; do
232			if [ "${OVERWRITE_ALL}" == "yes" ]; then
233			my_input=1
234			else
235			showdiffcmd=$(echo "${diff_command}" \|
236			sed -e "s:%file1:${ofile}:" -e "s:%file2:${file}:")
237
238			if [ "${using_editor}" == 0 ]; then
239			(
240			echo "Showing differences between ${ofile} and ${file}"
241			${showdiffcmd}
242			) \| ${pager}
243			else
244			echo "Beginning of differences between ${ofile} and ${file}"
245			${showdiffcmd}
246			echo "End of differences between ${ofile} and ${file}"
247			fi
248			if [ -L "${file}" ]; then
249			echo
250			echo "-------------------------------------------------------------"
251			echo "NOTE: File is a symlink to another file. REPLACE recommended."
252			echo " The original file may simply have moved. Please review."
253			echo "-------------------------------------------------------------"
254			echo
255			fi
256			echo -n "1) Replace original with update
257			2) Delete update, keeping original as is
258			3) Interactively merge original with update
259			4) Show differences again
260			Please select from the menu above (-1 to ignore this update): "
261			read my_input
262			fi
263
264			case ${my_input} in
265			1) echo "Replacing ${ofile} with ${file}"
266			mv ${mv_opts} ${file} ${ofile}
267	niro	283	my_input=-1
268	niro	24	continue
269			;;
270			2) echo "Deleting ${file}"
271			rm ${rm_opts} ${file}
272			continue
273			;;
274			3) do_merge "${file}" "${ofile}"
275			my_input=${?}
276			# [ ${my_input} == 255 ] && my_input=-1
277			continue
278			;;
279			4) continue
280			;;
281			*) continue
282			;;
283			esac
284			done
285			}
286
287			function do_merge() {
288
289			local file="${1}"
290			local ofile="${2}"
291			local mfile="${2}.merged"
292			local -i my_input=0
293			echo "${file} ${ofile} ${mfile}"
294
295			if [ -e ${mfile} ] ; then
296			echo "A previous version of the merged file exists, cleaning..."
297			rm ${rm_opts} ${mfile}
298			fi
299
300			until (( ${my_input} == -1 )); do
301			echo "Merging ${file} and ${ofile}"
302			`echo "${merge_command}" \|
303			sed -e "s:%merged:${mfile}:g" \
304			-e "s:%orig:${ofile}:g" \
305			-e "s:%new:${file}:g"`
306			until (( ${my_input} == -1 )); do
307			echo -n "1) Replace ${ofile} with merged file
308			2) Show differences between merged file and original
309			3) Remerge original with update
310			4) Edit merged file
311			5) Return to the previous menu
312			Please select from the menu above (-1 to exit, losing this merge): "
313			read my_input
314			case ${my_input} in
315			1) echo "Replacing ${ofile} with ${mfile}"
316			chmod --reference=${ofile} ${mfile}
317			mv ${mv_opts} ${mfile} ${ofile}
318			rm ${rm_opts} ${file}
319			return 255
320			;;
321			2) ( echo "Showing differences between ${ofile} and ${mfile}"
322			`echo "${diff_command}" \| \
323			sed -e "s:%file1:${ofile}:" \
324			-e "s:%file2:${mfile}:"` ) \| ${pager}
325			continue
326			;;
327			3) break
328			;;
329			4) ${EDITOR:-nano -w} "${mfile}"
330			continue
331			;;
332			5) rm ${rm_opts} ${mfile}
333			return 0
334			;;
335			*) continue
336			;;
337			esac
338			done
339			done
340			rm ${rm_opts} ${mfile}
341			return 255
342			}
343
344			function die() {
345			trap "" term
346			trap "" kill
347			echo "Exiting: ${1}"
348			rm -rf ${TMP}
349			exit ${2}
350			}
351
352			#
353			# Run the script
354			#
355			scriptname=`basename $0`
356
357			trap die term
358
359	niro	283	TMP="/tmp/$$"
360	niro	24	rm -rf ${TMP} 2> /dev/null
361			mkdir ${TMP} \|\| die "failed mkdir command!" 1
362
363			# I need the CONFIG_PROTECT value
364			#CONFIG_PROTECT=$(/usr/lib/portage/bin/portageq config_protect)
365			#CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq config_protect_mask)
366			source /etc/profile
367
368			# load etc-config's configuration
369			EU_AUTOMERGE=`get_config eu_automerge`
370			rm_opts=`get_config rm_opts`
371			mv_opts=`get_config mv_opts`
372			cp_opts=`get_config cp_opts`
373			pager=`get_config pager`
374			diff_command=`get_config diff_command`
375			using_editor=`get_config using_editor`
376			merge_command=`get_config merge_command`
377			declare -i mode=`get_config mode`
378			[ -z ${mode} ] && mode=0
379			[ -z "${pager}" ] && pager="cat"
380
381			#echo "rm_opts: $rm_opts, mv_opts: $mv_opts, cp_opts: $cp_opts"
382			#echo "pager: $pager, diff_command: $diff_command, merge_command: $merge_command"
383
384			if (( ${mode} == 0 )); then
385			PAR=")"
386			else
387			PAR=""
388			fi
389
390			declare -i count=0
391			declare -i input=0
392			declare title="Gentoolkit's etc-update tool!"
393
394			scan
395
396			until (( ${input} == -1 )); do
397			if (( ${count} == 0 )); then
398			die "Nothing left to do; exiting. :)" 0
399			fi
400			sel_file
401			if (( ${input} != -1 )); then
402			do_file
403			fi
404			done
405
406			die "User termination!" 0