#!/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 # # Previous version (from which I've borrowed a few bits) by: # Jochem Kossen # Leo Lipelis # Karl Trygve Kalleberg # # Modified by Niels Rogalla 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