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

#!/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 ${mfile}"
				   # busybox does not support --reference
				   if ! chmod --reference=${ofile} ${mfile} > /dev/null 2&>1
				   then
				      chmod $(stat -c %a ${ofile}) ${mfile}
				   fi
				   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	#!/bin/bash
2	# $Id$
3	#
4	# 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	# 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	# Modified by Niels Rogalla <niro@magellan-linux.de> to use this with Magellan-Linux
17	# version: 0.4.0-r8
18
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	sed -ne "s/^ $item = \([\"']\{0,1\}\)\(.\)\1/\2/p" \|sed -e '$p;d'
29	}
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	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	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 ${TMP}/menuitems
126	echo "Please select a file to edit by entering the corresponding number."
127	echo " (don't use -3 or -5 if you're unsure what to do)"
128	echo " (-1 to exit) (-3 to auto merge all remaining files)"
129	echo -n " (-5 to auto-merge AND not use 'mv -i'): "
130	read input
131	else
132	dialog --title "${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	input=0
197	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	my_input=-1
268	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 ${mfile}"
316	# busybox does not support --reference
317	if ! chmod --reference=${ofile} ${mfile} > /dev/null 2&>1
318	then
319	chmod $(stat -c %a ${ofile}) ${mfile}
320	fi
321	mv ${mv_opts} ${mfile} ${ofile}
322	rm ${rm_opts} ${file}
323	return 255
324	;;
325	2) ( echo "Showing differences between ${ofile} and ${mfile}"
326	`echo "${diff_command}" \| \
327	sed -e "s:%file1:${ofile}:" \
328	-e "s:%file2:${mfile}:"` ) \| ${pager}
329	continue
330	;;
331	3) break
332	;;
333	4) ${EDITOR:-nano -w} "${mfile}"
334	continue
335	;;
336	5) rm ${rm_opts} ${mfile}
337	return 0
338	;;
339	*) continue
340	;;
341	esac
342	done
343	done
344	rm ${rm_opts} ${mfile}
345	return 255
346	}
347
348	function die() {
349	trap "" term
350	trap "" kill
351	echo "Exiting: ${1}"
352	rm -rf ${TMP}
353	exit ${2}
354	}
355
356	#
357	# Run the script
358	#
359	scriptname=`basename $0`
360
361	trap die term
362
363	TMP="/tmp/$$"
364	rm -rf ${TMP} 2> /dev/null
365	mkdir ${TMP} \|\| die "failed mkdir command!" 1
366
367	# I need the CONFIG_PROTECT value
368	#CONFIG_PROTECT=$(/usr/lib/portage/bin/portageq config_protect)
369	#CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq config_protect_mask)
370	source /etc/profile
371
372	# load etc-config's configuration
373	EU_AUTOMERGE=`get_config eu_automerge`
374	rm_opts=`get_config rm_opts`
375	mv_opts=`get_config mv_opts`
376	cp_opts=`get_config cp_opts`
377	pager=`get_config pager`
378	diff_command=`get_config diff_command`
379	using_editor=`get_config using_editor`
380	merge_command=`get_config merge_command`
381	declare -i mode=`get_config mode`
382	[ -z ${mode} ] && mode=0
383	[ -z "${pager}" ] && pager="cat"
384
385	#echo "rm_opts: $rm_opts, mv_opts: $mv_opts, cp_opts: $cp_opts"
386	#echo "pager: $pager, diff_command: $diff_command, merge_command: $merge_command"
387
388	if (( ${mode} == 0 )); then
389	PAR=")"
390	else
391	PAR=""
392	fi
393
394	declare -i count=0
395	declare -i input=0
396	declare title="Gentoolkit's etc-update tool!"
397
398	scan
399
400	until (( ${input} == -1 )); do
401	if (( ${count} == 0 )); then
402	die "Nothing left to do; exiting. :)" 0
403	fi
404	sel_file
405	if (( ${input} != -1 )); then
406	do_file
407	fi
408	done
409
410	die "User termination!" 0