diff options
Diffstat (limited to 'portage_with_autodep/bin/etc-update')
| -rwxr-xr-x | portage_with_autodep/bin/etc-update | 616 |
1 files changed, 616 insertions, 0 deletions
diff --git a/portage_with_autodep/bin/etc-update b/portage_with_autodep/bin/etc-update new file mode 100755 index 0000000..42518ad --- /dev/null +++ b/portage_with_autodep/bin/etc-update @@ -0,0 +1,616 @@ +#!/bin/bash +# Copyright 1999-2011 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +# 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> + +cd / + +if type -P gsed >/dev/null ; then + sed() { gsed "$@"; } +fi + +get_config() { + # the sed here does: + # - strip off comments + # - match lines that set item in question + # - delete the "item =" part + # - store the actual value into the hold space + # - on the last line, restore the hold space and print it + # If there's more than one of the same configuration item, then + # the store to the hold space clobbers previous value so the last + # setting takes precedence. + local item=$1 + eval echo $(sed -n \ + -e 's:[[:space:]]*#.*$::' \ + -e "/^[[:space:]]*$item[[:space:]]*=/{s:[^=]*=[[:space:]]*\([\"']\{0,1\}\)\(.*\)\1:\2:;h}" \ + -e '${g;p}' \ + "${PORTAGE_CONFIGROOT}"etc/etc-update.conf) +} + +diff_command() { + local cmd=${diff_command//%file1/$1} + ${cmd//%file2/$2} +} + +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 + local find_opts + local my_basename + + for path in ${CONFIG_PROTECT} ; do + path="${ROOT}${path}" + # Do not traverse hidden directories such as .svn or .git. + find_opts="-name .* -type d -prune -o -name ._cfg????_*" + if [ ! -d "${path}" ]; then + [ ! -f "${path}" ] && continue + my_basename="${path##*/}" + path="${path%/*}" + find_opts="-maxdepth 1 -name ._cfg????_${my_basename}" + fi + + ofile="" + # The below set -f turns off file name globbing in the ${find_opts} expansion. + for file in $(set -f ; find ${path}/ ${find_opts} \ + ! -name '.*~' ! -iname '.*.bak' -print | + sed -e "s:\(^.*/\)\(\._cfg[0-9]*_\)\(.*$\):\1\2\3\%\1%\2\%\3:" | + sort -t'%' -k2,2 -k4,4 -k3,3 | LANG=POSIX LC_ALL=POSIX cut -f1 -d'%'); do + + rpath=$(echo "${file/\/\///}" | sed -e "s:/[^/]*$::") + rfile=$(echo "${file/\/\///}" | sed -e "s:^.*/::") + for mpath in ${CONFIG_PROTECT_MASK}; do + mpath="${ROOT}${mpath}" + mpath=$(echo "${mpath/\/\///}") + if [[ "${rpath}" == "${mpath}"* ]]; then + mv ${rpath}/${rfile} ${rpath}/${rfile:10} + break + fi + done + if [[ ! -f ${file} ]] ; then + echo "Skipping non-file ${file} ..." + continue + fi + + if [[ "${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: ${rpath}/${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 + +} + +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} " ${file}) + numupdates=$(( $(wc -l <${TMP}/files/${file}) - 1 )) + echo -n "${numshow}" + if [[ ${mode} == 0 ]] ; then + echo "$(head -n1 ${TMP}/files/${file}) (${numupdates})" + else + head -n1 ${TMP}/files/${file} + fi + done > ${TMP}/menuitems + + if [ "${OVERWRITE_ALL}" == "yes" ]; then + input=0 + elif [ "${DELETE_ALL}" == "yes" ]; then + input=0 + else + [[ $CLEAR_TERM == yes ]] && clear + 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 ${TMP}/menuitems + echo "Please select a file to edit by entering the corresponding number." + echo " (don't use -3, -5, -7 or -9 if you're unsure what to do)" + echo " (-1 to exit) (-3 to auto merge all remaining files)" + echo " (-5 to auto-merge AND not use 'mv -i')" + echo " (-7 to discard all updates)" + echo -n " (-9 to discard all updates AND not use 'rm -i'): " + input=$(read_int) + else + dialog --title "${title}" --menu "${my_title}" \ + 0 0 0 $(echo -e "-1 Exit\n$(<${TMP}/menuitems)") \ + 2> ${TMP}/input || die "User termination!" 0 + input=$(<${TMP}/input) + fi + if [[ ${input} == -9 ]]; then + read -p "Are you sure that you want to delete all updates (type YES):" reply + if [[ ${reply} != "YES" ]]; then + continue + else + input=-7 + export rm_opts="" + fi + fi + if [[ ${input} == -7 ]]; then + input=0 + export DELETE_ALL="yes" + fi + if [[ ${input} == -5 ]] ; then + input=-3 + export mv_opts=" ${mv_opts} " + mv_opts="${mv_opts// -i / }" + fi + if [[ ${input} == -3 ]] ; then + input=0 + export OVERWRITE_ALL="yes" + fi + fi # -3 automerge + if [[ -z ${input} ]] || [[ ${input} == 0 ]] ; then + input=${isfirst} + fi + done +} + +user_special() { + if [ -r ${PORTAGE_CONFIGROOT}etc/etc-update.special ]; then + if [ -z "$1" ]; then + echo "ERROR: user_special() called without arguments" + return 1 + fi + while read -r pat; do + echo ${1} | grep "${pat}" > /dev/null && return 0 + done < ${PORTAGE_CONFIGROOT}etc/etc-update.special + fi + return 1 +} + +read_int() { + # Read an integer from stdin. Continously loops until a valid integer is + # read. This is a workaround for odd behavior of bash when an attempt is + # made to store a value such as "1y" into an integer-only variable. + local my_input + while true; do + read my_input + # failed integer conversions will break a loop unless they're enclosed + # in a subshell. + echo "${my_input}" | ( declare -i x; read x) 2>/dev/null && break + echo -n "Value '$my_input' is not valid. Please enter an integer value:" >&2 + done + echo ${my_input} +} + +do_file() { + interactive_echo() { [ "${OVERWRITE_ALL}" != "yes" ] && [ "${DELETE_ALL}" != "yes" ] && echo; } + interactive_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 [ "${OVERWRITE_ALL}" == "yes" ]; then + my_input=0 + elif [ "${DELETE_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 ${TMP}/menuitems + echo -n "Please select a file to process (-1 to exit this file): " + my_input=$(read_int) + else + dialog --title "${title}" --menu "${my_title}" \ + 0 0 0 $(echo -e "$(<${TMP}/menuitems)\n${fcount} Exit") \ + 2> ${TMP}/input || die "User termination!" 0 + my_input=$(<${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 + interactive_echo + rm ${TMP}/files/${input} + count=${count}-1 +} + +do_cfg() { + + local file="${1}" + local ofile="${2}" + local -i my_input=0 + + until (( ${my_input} == -1 )) || [ ! -f ${file} ]; do + if [[ "${OVERWRITE_ALL}" == "yes" ]] && ! user_special "${ofile}"; then + my_input=1 + elif [[ "${DELETE_ALL}" == "yes" ]] && ! user_special "${ofile}"; then + my_input=2 + else + [[ $CLEAR_TERM == yes ]] && clear + if [ "${using_editor}" == 0 ]; then + ( + echo "Showing differences between ${ofile} and ${file}" + diff_command "${ofile}" "${file}" + ) | ${pager} + else + echo "Beginning of differences between ${ofile} and ${file}" + diff_command "${ofile}" "${file}" + 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 "File: ${file} +1) Replace original with update +2) Delete update, keeping original as is +3) Interactively merge original with update +4) Show differences again +5) Save update as example config +Please select from the menu above (-1 to ignore this update): " + my_input=$(read_int) + fi + + case ${my_input} in + 1) echo "Replacing ${ofile} with ${file}" + mv ${mv_opts} ${file} ${ofile} + [ -n "${OVERWRITE_ALL}" ] && my_input=-1 + continue + ;; + 2) echo "Deleting ${file}" + rm ${rm_opts} ${file} + [ -n "${DELETE_ALL}" ] && my_input=-1 + continue + ;; + 3) do_merge "${file}" "${ofile}" + my_input=${?} +# [ ${my_input} == 255 ] && my_input=-1 + continue + ;; + 4) continue + ;; + 5) do_distconf "${file}" "${ofile}" + ;; + *) continue + ;; + esac + done +} + +do_merge() { + # make sure we keep the merged file in the secure tempdir + # so we dont leak any information contained in said file + # (think of case where the file has 0600 perms; during the + # merging process, the temp file gets umask perms!) + + local file="${1}" + local ofile="${2}" + local mfile="${TMP}/${2}.merged" + local -i my_input=0 + echo "${file} ${ofile} ${mfile}" + + if [[ -e ${mfile} ]] ; then + echo "A previous version of the merged file exists, cleaning..." + rm ${rm_opts} "${mfile}" + fi + + # since mfile will be like $TMP/path/to/original-file.merged, we + # need to make sure the full /path/to/ exists ahead of time + mkdir -p "${mfile%/*}" + + 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 ${ofile} with merged file +2) Show differences between merged file and original +3) Remerge original with update +4) Edit merged file +5) Return to the previous menu +Please select from the menu above (-1 to exit, losing this merge): " + my_input=$(read_int) + case ${my_input} in + 1) echo "Replacing ${ofile} with ${mfile}" + if [[ ${USERLAND} == BSD ]] ; then + chown "$(stat -f %Su:%Sg "${ofile}")" "${mfile}" + chmod $(stat -f %Mp%Lp "${ofile}") "${mfile}" + else + chown --reference="${ofile}" "${mfile}" + chmod --reference="${ofile}" "${mfile}" + fi + mv ${mv_opts} "${mfile}" "${ofile}" + rm ${rm_opts} "${file}" + return 255 + ;; + 2) + [[ $CLEAR_TERM == yes ]] && clear + if [ "${using_editor}" == 0 ]; then + ( + echo "Showing differences between ${ofile} and ${mfile}" + diff_command "${ofile}" "${mfile}" + ) | ${pager} + else + echo "Beginning of differences between ${ofile} and ${mfile}" + diff_command "${ofile}" "${mfile}" + echo "End of differences between ${ofile} and ${mfile}" + fi + 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 +} + +do_distconf() { + # search for any previously saved distribution config + # files and number the current one accordingly + + local file="${1}" + local ofile="${2}" + local -i count + local -i fill + local suffix + local efile + + for ((count = 0; count <= 9999; count++)); do + suffix=".dist_" + for ((fill = 4 - ${#count}; fill > 0; fill--)); do + suffix+="0" + done + suffix+="${count}" + efile="${ofile}${suffix}" + if [[ ! -f ${efile} ]]; then + mv ${mv_opts} "${file}" "${efile}" + break + elif diff_command "${file}" "${efile}" &> /dev/null; then + # replace identical copy + mv "${file}" "${efile}" + break + fi + done +} + +die() { + trap SIGTERM + trap SIGINT + + if [ "$2" -eq 0 ]; then + echo "Exiting: ${1}" + scan > /dev/null + [ ${count} -gt 0 ] && echo "NOTE: ${count} updates remaining" + else + echo "ERROR: ${1}" + fi + + rm -rf "${TMP}" + exit ${2} +} + +usage() { + cat <<-EOF + etc-update: Handle configuration file updates + + Usage: etc-update [options] + + Options: + -d, --debug Enable shell debugging + -h, --help Show help and run away + -V, --version Show version and trundle away + EOF + + [[ -n ${*:2} ]] && printf "\nError: %s\n" "${*:2}" 1>&2 + + exit ${1:-0} +} + +# +# Run the script +# + +SET_X=false +while [[ -n $1 ]] ; do + case $1 in + -d|--debug) SET_X=true;; + -h|--help) usage;; + -V|--version) emerge --version ; exit 0;; + *) usage 1 "Invalid option '$1'";; + esac + shift +done +${SET_X} && set -x + +type portageq > /dev/null || exit $? +eval $(portageq envvar -v CONFIG_PROTECT \ + CONFIG_PROTECT_MASK PORTAGE_CONFIGROOT PORTAGE_TMPDIR ROOT USERLAND) +export PORTAGE_TMPDIR + +TMP="${PORTAGE_TMPDIR}/etc-update-$$" +trap "die terminated 1" SIGTERM +trap "die interrupted 1" SIGINT + +[ -w ${PORTAGE_CONFIGROOT}etc ] || die "Need write access to ${PORTAGE_CONFIGROOT}etc" 1 +#echo $PORTAGE_TMPDIR +#echo $CONFIG_PROTECT +#echo $CONFIG_PROTECT_MASK +#export PORTAGE_TMPDIR=$(/usr/lib/portage/bin/portageq envvar PORTAGE_TMPDIR) + +rm -rf "${TMP}" 2> /dev/null +mkdir "${TMP}" || die "failed to create temp dir" 1 +# make sure we have a secure directory to work in +chmod 0700 "${TMP}" || die "failed to set perms on temp dir" 1 +chown ${UID:-0}:${GID:-0} "${TMP}" || die "failed to set ownership on temp dir" 1 + +# I need the CONFIG_PROTECT value +#CONFIG_PROTECT=$(/usr/lib/portage/bin/portageq envvar CONFIG_PROTECT) +#CONFIG_PROTECT_MASK=$(/usr/lib/portage/bin/portageq envvar CONFIG_PROTECT_MASK) + +# load etc-config's configuration +CLEAR_TERM=$(get_config clear_term) +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 ${pager} ]] && pager="cat" + +if [ "${using_editor}" == 0 ]; then + # Sanity check to make sure diff exists and works + echo > "${TMP}"/.diff-test-1 + echo > "${TMP}"/.diff-test-2 + + if ! diff_command "${TMP}"/.diff-test-1 "${TMP}"/.diff-test-2 ; then + die "'${diff_command}' does not seem to work, aborting" 1 + fi +else + if ! type ${diff_command%% *} >/dev/null; then + die "'${diff_command}' does not seem to work, aborting" 1 + fi +fi + +if [[ ${mode} == "1" ]] ; then + if ! type dialog >/dev/null || ! dialog --help >/dev/null ; then + die "mode=1 and 'dialog' not found or not executable, aborting" 1 + fi +fi + +#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 input=0 +declare title="Gentoo'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 |