| #!/bin/bash |
| # Copyright 1999-2006 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| # $Id: etc-update 2221 2005-11-01 01:32:07Z vapier $ |
| |
| # 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> |
| |
| export PORTAGE_CALLER="etc-update" |
| |
| if type -p gsed >/dev/null ; then |
| function sed() { gsed "$@"; } |
| fi |
| |
| 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 |
| |
| # Sanity check to make sure diff exists and works |
| if ! diff -v &>/dev/null ; then |
| echo "ERROR: 'diff' does not seem to work, aborting" |
| exit 1 |
| fi |
| |
| for path in ${CONFIG_PROTECT} ; do |
| [ ! -d ${path} ] && continue |
| |
| 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 |
| done |
| |
| } |
| |
| function sel_file() { |
| local -i isfirst=0 |
| until [ -f ${TMP}/files/${input} ] || [ ${input} == -1 ] || [ ${input} == -3 ]; do |
| local numfiles=$(ls ${TMP}/files|wc -l) |
| local numwidth=${#numfiles} |
| for file in $(ls ${TMP}/files|sort -n); do |
| if (( ${isfirst} == 0 )); then |
| isfirst=${file} |
| fi |
| numshow=$(printf "%${numwidth}i${PAR} " ${file}) |
| spacer=${numshow//?/ } |
| echo -n "${numshow}" |
| if (( ${mode} == 0 )); then |
| spacedit=0 |
| for word in $(<${TMP}/files/${file}); do |
| if (( ${spacedit} == 1 )); then |
| echo -n "${spacer}" |
| else |
| spacedit=1 |
| fi |
| 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 $(echo -e "-1 Exit\n$(<${TMP}/menuitems)") \ |
| 2> ${TMP}/input |
| input=$(<${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 (( $(wc -l < ${TMP}/files/${input}) < 2 )); do |
| my_input=0 |
| if (( $(wc -l < ${TMP}/files/${input}) == 2 )); then |
| my_input=1 |
| fi |
| until (( ${my_input} > 0 )) && (( ${my_input} < $(wc -l < ${TMP}/files/${input}) )); do |
| fcount=0 |
| |
| if [ "${OVERWRITE_ALL}" == "yes" ]; then |
| my_input=0 |
| else |
| for line in $(<${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 "${my_title}" \ |
| 0 0 0 `echo -e "$(<${TMP}/menuitems)\n${fcount} Exit"` \ |
| 2> ${TMP}/input |
| my_input=$(<${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=$(sed -e "${fcount}p;d" ${TMP}/files/${input}) |
| ofile=$(head -n1 ${TMP}/files/${input}) |
| |
| do_cfg "${file}" "${ofile}" |
| |
| sed -e "${fcount}!p;d" ${TMP}/files/${input} > ${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 $0) |
| |
| trap die term |
| |
| export PORTAGE_TMPDIR=$(/usr/lib/portage/bin/portageq envvar PORTAGE_TMPDIR) |
| |
| TMP="${PORTAGE_TMPDIR}/$$" |
| 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 envvar CONFIG_PROTECT) |
| CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq envvar CONFIG_PROTECT_MASK) |
| |
| # 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 |
