diff options
Diffstat (limited to 'trunk/src/euse/euse')
| -rwxr-xr-x | trunk/src/euse/euse | 551 |
1 files changed, 0 insertions, 551 deletions
diff --git a/trunk/src/euse/euse b/trunk/src/euse/euse deleted file mode 100755 index f9fd2fd..0000000 --- a/trunk/src/euse/euse +++ /dev/null @@ -1,551 +0,0 @@ -#!/bin/bash - -# $Header$ - -# bash replacement for the original euse by Arun Bhanu -# Author: Marius Mauch <genone@gentoo.org> -# Version: 0.2 -# Licensed under the GPL v2 - -PROGRAM_NAME=euse -PROGRAM_VERSION=0.1 - -MAKE_CONF_PATH=/etc/make.conf -MAKE_GLOBALS_PATH=/etc/make.globals -MAKE_PROFILE_PATH=/etc/make.profile -MAKE_CONF_BACKUP_PATH=/etc/make.conf.euse_backup - -[ -z "${MODE}" ] && MODE="showhelp" # available operation modes: showhelp, showversion, showdesc, showflags, modify - -parse_arguments() { - if [ -z "${1}" ]; then - return - fi - while [ -n "${1}" ]; do - case "${1}" in - -h | --help) MODE="showhelp";; - -v | --version) MODE="showversion";; - -i | --info) MODE="showdesc";; - -I | --info-installed) MODE="showinstdesc";; - -l | --local) SCOPE="local";; - -g | --global) SCOPE="global";; - -a | --active) MODE="showflags";; - -E | --enable) MODE="modify"; ACTION="add";; - -D | --disable) MODE="modify"; ACTION="remove";; - -P | --prune) MODE="modify"; ACTION="prune";; - -*) - echo "ERROR: unknown option ${1} specified." - echo - MODE="showhelp" - ;; - "%active") - get_useflags - ARGUMENTS="${ARGUMENTS} ${ACTIVE_FLAGS[9]}" - ;; - *) - ARGUMENTS="${ARGUMENTS} ${1}" - ;; - esac - shift - done -} - -error() { - echo "ERROR: ${1}" - set +f - exit 1 -} - -get_real_path() { - set -P - cd "$1" - pwd - cd "$OLDPWD" - set +P -} - -check_sanity() { - # file permission tests - local descdir - local make_defaults - - descdir="$(get_portdir)/profiles" - - [ ! -r "${MAKE_CONF_PATH}" ] && error "${MAKE_CONF_PATH} is not readable" - [ ! -r "${MAKE_GLOBALS_PATH}" ] && error "${MAKE_GLOBALS_PATH} is not readable" - [ ! -h "${MAKE_PROFILE_PATH}" ] && error "${MAKE_PROFILE_PATH} is not a symlink" - [ -z "$(get_portdir)" ] && error "\$PORTDIR couldn't be determined" - [ ! -d "${descdir}" ] && error "${descdir} does not exist or is not a directory" - [ ! -r "${descdir}/use.desc" ] && error "${descdir}/use.desc is not readable" - [ ! -r "${descdir}/use.local.desc" ] && error "${descdir}/use.local.desc is not readable" - for make_defaults in $(get_all_make_defaults); do - [ ! -r "$make_defaults" ] && error "$_make_defaults is not readable" - done -# [ ! -r "$(get_make_defaults)" ] && error "$(get_make_defaults) is not readable" - [ "${MODE}" == "modify" -a ! -w "${MAKE_CONF_PATH}" ] && error ""${MAKE_CONF_PATH}" is not writable" -} - -showhelp() { -cat << HELP -${PROGRAM_NAME} v${PROGRAM_VERSION} - -Syntax: ${PROGRAM_NAME} <option> [suboptions] [useflaglist] - -Options: -h, --help - show this message - -v, --version - show version information - -i, --info - show descriptions for the given useflags - -I, --info-installed - show descriptions for the given useflags and - their current impact on the installed system - -g, --global - show only global use flags (suboption) - -l, --local - show only local use flags (suboption) - -a, --active - show currently active useflags and their origin - -E, --enable - enable the given useflags - -D, --disable - disable the given useflags - -P, --prune - remove all references to the given flags from - make.conf to revert to default settings - -Notes: ${PROGRAM_NAME} currently only works for global flags defined - in make.globals, make.defaults or make.conf, it doesn't handle - use.defaults, use.mask or package.use yet (see portage(5) for details on - these files). It also might have issues with cascaded profiles. - If multiple options are specified only the last one will be used. -HELP -} - -showversion() { -cat << VER -${PROGRAM_NAME} v${PROGRAM_VERSION} -Written by Marius Mauch - -Copyright (C) 2004-2008 Gentoo Foundation, Inc. -This is free software; see the source for copying conditions. -VER -} - -# remove duplicate flags from the given list in both positive and negative forms -# (but unlike portage always keep the last value even if it's negative) -# Otherwise the status flags could be incorrect if a flag appers multiple times in -# one location (like make.conf). -# Using python here as bash sucks for list handling. -# NOTE: bash isn't actually that bad at handling lists -- sh is. This may be -# worth another look to avoid calling python unnecessariy. Or we could -# just write the whole thing in python. ;) -reduce_incrementals() { - echo $@ | python -c "import sys -r=[] -for x in sys.stdin.read().split(): - if x[0] == '-' and x[1:] in r: - r.remove(x[1:]) - r.append(x) - elif x[0] != '-' and '-'+x in r: - r.remove('-'+x) - r.append(x) - elif x == '-*': - r = [] - r.append(x) - elif x not in r: - r.append(x) -print ' '.join(r)" -} - -# the following function creates a bash array ACTIVE_FLAGS that contains the -# global use flags, indexed by origin: 0: environment, 1: make.conf, -# 2: make.defaults, 3: make.globals -get_useflags() { - # only calculate once as calling emerge is painfully slow - [ -n "${USE_FLAGS_CALCULATED}" ] && return - - # backup portdir so get_portdir() doesn't give false results later - portdir_backup="${PORTDIR}" - - ACTIVE_FLAGS[0]="$(reduce_incrementals ${USE})" - USE="" - source "${MAKE_CONF_PATH}" - ACTIVE_FLAGS[1]="$(reduce_incrementals ${USE})" - USE="" - for x in $(get_all_make_defaults); do - source "${x}" - ACTIVE_FLAGS[2]="$(reduce_incrementals ${ACTIVE_FLAGS[2]} ${USE})" - done - USE="" - source "${MAKE_GLOBALS_PATH}" - ACTIVE_FLAGS[3]="$(reduce_incrementals ${USE})" - - # restore saved env variables - USE="${ACTIVE_FLAGS[0]}" - PORTDIR="${portdir_backup}" - - # get the currently active USE flags as seen by portage, this has to be after - # restoring USE or portage won't see the original environment - ACTIVE_FLAGS[9]="$(emerge --info | grep 'USE=' | cut -b 5- | sed -e 's:"::g')" #' - USE_FLAGS_CALCULATED=1 -} - -# get the list of all known USE flags by reading use.desc and/or use.local.desc -# (depending on the value of $SCOPE) -get_useflaglist() { - local descdir - - descdir="$(get_portdir)/profiles" - - if [ -z "${SCOPE}" -o "${SCOPE}" == "global" ]; then - egrep "^[^# ]+ +-" "${descdir}/use.desc" | cut -d\ -f 1 - fi - if [ -z "${SCOPE}" -o "${SCOPE}" == "local" ]; then - egrep "^[^# :]+:[^ ]+ +-" "${descdir}/use.local.desc" | cut -d: -f 2 | cut -d\ -f 1 - fi -} - -# get all make.defaults by traversing the cascaded profile directories -get_all_make_defaults() { - local curdir - local parent - local rvalue - - curdir="${1:-$(get_real_path ${MAKE_PROFILE_PATH})}" - - [ -f "${curdir}/make.defaults" ] && rvalue="${curdir}/make.defaults ${rvalue}" - if [ -f "${curdir}/parent" ]; then - for parent in $(egrep -v '(^#|^ *$)' ${curdir}/parent); do - pdir="$(get_real_path ${curdir}/${parent})" - rvalue="$(get_all_make_defaults ${pdir}) ${rvalue}" - done - fi - - echo "${rvalue}" -} - -# get the path to make.defaults by traversing the cascaded profile directories -get_make_defaults() { - local curdir - local parent - - curdir="${1:-$(get_real_path ${MAKE_PROFILE_PATH})}" - - if [ ! -f "${curdir}/make.defaults" -a -f "${curdir}/parent" ]; then - for parent in $(egrep -v '(^#|^ *$)' ${curdir}/parent); do - if [ -f "$(get_make_defaults ${curdir}/${parent})" ]; then - curdir="${curdir}/${parent}" - break - fi - done - fi - - echo "${curdir}/make.defaults" -} - -# little helper function to get the status of a given flag in one of the -# ACTIVE_FLAGS elements. Arguments are 1: flag to test, 2: index of ACTIVE_FLAGS, -# 3: echo value for positive (and as lowercase for negative) test result, -# 4 (optional): echo value for "missing" test result, defaults to blank -get_flagstatus_helper() { - if echo " ${ACTIVE_FLAGS[${2}]} " | grep " ${1} " > /dev/null; then - echo -n "${3}" - elif echo " ${ACTIVE_FLAGS[${2}]} " | grep " -${1} " > /dev/null; then - echo -n "$(echo ${3} | tr [[:upper:]] [[:lower:]])" - else - echo -n "${4:- }" - fi -} - -# prints a status string for the given flag, each column indicating the presence -# for portage, in the environment, in make.conf, in make.defaults and in make.globals. -# full positive value would be "[+ECDG]", full negative value would be [-ecdg], -# full missing value would be "[- ]" (portage only sees present or not present) -get_flagstatus() { - get_useflags - - echo -n '[' - get_flagstatus_helper "${1}" 9 "+" "-" - get_flagstatus_helper "${1}" 0 "E" - get_flagstatus_helper "${1}" 1 "C" - get_flagstatus_helper "${1}" 2 "D" - get_flagstatus_helper "${1}" 3 "G" - echo -n '] ' -} - -# faster replacement to `portageq portdir` -get_portdir() { - if [ -z "${PORTDIR}" ]; then - use_backup="${USE}" - source "${MAKE_GLOBALS_PATH}" - for x in $(get_all_make_defaults); do - source "${x}" - done - source "${MAKE_CONF_PATH}" - USE="${use_backup}" - fi - echo "${PORTDIR}" -} - -# This function takes a list of use flags and shows the status and -# the description for each one, honoring $SCOPE -showdesc() { - local descdir - local current_desc - local found_one - local args - - args="${*:-*}" - - if [ -z "${SCOPE}" ]; then - SCOPE="global" showdesc ${args} - echo - SCOPE="local" showdesc ${args} - return - fi - - descdir="$(get_portdir)/profiles" - - [ "${SCOPE}" == "global" ] && echo "global use flags (searching: ${args})" - [ "${SCOPE}" == "local" ] && echo "local use flags (searching: ${args})" - echo "************************************************************" - - if [ "${args}" == "*" ]; then - args="$(get_useflaglist | sort -u)" - fi - - set ${args} - - foundone=0 - while [ -n "${1}" ]; do - if [ "${SCOPE}" == "global" ]; then - if grep "^${1} *-" "${descdir}/use.desc" > /dev/null; then - get_flagstatus "${1}" - foundone=1 - fi - grep "^${1} *-" "${descdir}/use.desc" - fi - # local flags are a bit more complicated as there can be multiple - # entries per flag and we can't pipe into printf - if [ "${SCOPE}" == "local" ]; then - if grep ":${1} *-" "${descdir}/use.local.desc" > /dev/null; then - foundone=1 - fi - grep ":${1} *-" "${descdir}/use.local.desc" \ - | sed -e "s/^\([^:]\+\):\(${1}\) *- *\(.\+\)/\1|\2|\3/g" \ - | while read line; do - pkg="$(echo $line | cut -d\| -f 1)" - flag="$(echo $line | cut -d\| -f 2)" - desc="$(echo $line | cut -d\| -f 3)" - get_flagstatus "${flag}" - printf "%s (%s):\n%s\n\n" "${flag}" "${pkg}" "${desc}" - done - fi - shift - done - - if [ ${foundone} == 0 ]; then - echo "no matching entries found" - fi -} - -# Works like showdesc() but displays only descriptions of which the appropriate -# ebuild is installed and prints the name of those packages. -showinstdesc() { - local descdir - local current_desc - local args - local -i foundone=0 - local OIFS="$IFS" - - args=("${@:-*}") - - case "${SCOPE}" in - "global") echo "global use flags (searching: ${args})";; - "local") echo "local use flags (searching: ${args})";; - *) SCOPE="global" showinstdesc "${args[@]}" - echo - SCOPE="local" showinstdesc "${args[@]}" - return;; - esac - - descdir="$(get_portdir)/profiles" - echo "************************************************************" - - if [ "${args}" = "*" ]; then - args="$(get_useflaglist | sort -u)" - fi - - set "${args[@]}" - - while [ -n "${1}" ]; do - case "${SCOPE}" in - "global") - if desc=$(grep "^${1} *-" "${descdir}/use.desc"); then - get_flagstatus "${1}" - echo "$desc" - # get list of installed packages matching this USE flag. - IFS=$'\n' - packages=($(equery -q -C hasuse -i "${1}" | awk '{ print $(NF-1) }' | sort)) - foundone+=${#packages[@]} - printf "\nInstalled packages matching this USE flag: " - if [ ${foundone} -gt 0 ]; then - echo $'\n'"${packages[*]}" - else - echo "none" - fi - fi - ;; - "local") - # local flags are a bit more complicated as there can be multiple - # entries per flag and we can't pipe into printf - IFS=': ' # Use a space instead of a dash because dashes occur in cat/pkg - while read pkg flag desc; do - # print name only if package is installed - # NOTE: If we implement bug #114086 's enhancement we can just use the - # exit status of equery instead of a subshell and pipe to wc -l - if [ $(equery -q -C list -i -e "${pkg}" | wc -l) -gt 0 ]; then - foundone=1 - IFS="$OIFS" - get_flagstatus "${flag}" - IFS=': ' - printf "%s (%s):\n%s\n\n" "${flag}" "${pkg}" "${desc#- }" - fi - done < <(grep ":${1} *-" "${descdir}/use.local.desc") - ;; - esac - shift - done - - if [ ${foundone} -lt 1 ]; then - echo "no matching entries found" - fi - IFS="$OIFS" -} - -# show a list of all currently active flags and where they are activated -showflags() { - local args - - get_useflags - - args="${*:-*}" - - if [ "${args}" == "*" ]; then - args="$(get_useflaglist | sort -u)" - fi - - set ${args} - - while [ -n "${1}" ]; do - if echo " ${ACTIVE_FLAGS[9]} " | grep " ${1} " > /dev/null; then - printf "%-20s" ${1} - get_flagstatus ${1} - echo - fi - shift - done -} - -# two small helpers to add or remove a flag from a USE string -add_flag() { - NEW_MAKE_CONF_USE="${NEW_MAKE_CONF_USE} ${1}" -} - -remove_flag() { - NEW_MAKE_CONF_USE="${NEW_MAKE_CONF_USE// ${1} / }" -} - -# USE flag modification function. Mainly a loop with calls to add_flag and -# remove_flag to create a new USE string which is then inserted into make.conf. -modify() { - if [ -z "${*}" ]; then - if [ "${ACTION}" != "prune" ]; then - echo "WARNING: no USE flags listed for modification, do you really" - echo " want to ${ACTION} *all* known USE flags?" - echo " If you don't please press Ctrl-C NOW!!!" - sleep 5 - set $(get_useflaglist | sort -u) - fi - fi - - get_useflags - - NEW_MAKE_CONF_USE=" ${ACTIVE_FLAGS[1]} " - - while [ -n "${1}" ]; do - if [ "${ACTION}" == "add" ]; then - if echo " ${NEW_MAKE_CONF_USE} " | grep " ${1} " > /dev/null; then - shift - elif echo " ${NEW_MAKE_CONF_USE} " | grep " -${1} " > /dev/null; then - remove_flag "-${1}" - else - add_flag "${1}" - shift - fi - elif [ "${ACTION}" == "remove" ]; then - if echo " ${NEW_MAKE_CONF_USE} " | grep " -${1} " > /dev/null; then - shift - elif echo " ${NEW_MAKE_CONF_USE} " | grep " ${1} " > /dev/null; then - remove_flag "${1}" - else - add_flag "-${1}" - shift - fi - elif [ "${ACTION}" == "prune" ]; then - if echo " ${NEW_MAKE_CONF_USE} " | grep " ${1} " > /dev/null; then - remove_flag "${1}" - elif echo " ${NEW_MAKE_CONF_USE} " | grep " -${1} " > /dev/null; then - remove_flag "-${1}" - fi - shift - fi - done - - #echo "old flags:" - #echo ${ACTIVE_FLAGS[1]} - #echo - #echo "new flags:" - #echo ${NEW_MAKE_CONF_USE} - - # a little loop to add linebreaks so we don't end with one ultra-long line - NEW_MAKE_CONF_USE_2="" - for x in ${NEW_MAKE_CONF_USE}; do - if [ $(((${#NEW_MAKE_CONF_USE_2}%70)+${#x}+2)) -gt 70 ]; then - NEW_MAKE_CONF_USE_2="${NEW_MAKE_CONF_USE_2}\\ \\n $x " - else - NEW_MAKE_CONF_USE_2="${NEW_MAKE_CONF_USE_2}${x} " - fi - done - - # make a backup just in case the user doesn't like the new make.conf - cp -p "${MAKE_CONF_PATH}" "${MAKE_CONF_BACKUP_PATH}" - - # as sed doesn't really work with multi-line patterns we have to replace USE - # on our own here. Basically just skip everything between USE=" and the - # closing ", printing our new USE line there instead. - inuse=0 - had_use=0 - x=0 - (while [ "$x" -eq "0" ]; do - read -r line - x="$?" - [ "${line:0:4}" == "USE=" ] && inuse=1 - [ "${inuse}" == "0" ] && echo -E "${line}" - if [ "${inuse}" == "1" ] && echo "${line}" | egrep '" *(#.*)?$' > /dev/null; then - echo -n 'USE="' - echo -ne "${NEW_MAKE_CONF_USE_2%% }" - echo '"' - inuse=0 - had_use=1 - fi - done - if [ ${had_use} -eq 0 ]; then - echo -n 'USE="' - echo -ne "${NEW_MAKE_CONF_USE_2%% }" - echo '"' - fi ) < "${MAKE_CONF_BACKUP_PATH}" | sed -e 's:\\ $:\\:' > "${MAKE_CONF_PATH}" - - echo "${MAKE_CONF_PATH} was modified, a backup copy has been placed at ${MAKE_CONF_BACKUP_PATH}" -} - -##### main program comes now ##### - -# disable globbing as it fucks up with args=* -set -f -parse_arguments "$@" -check_sanity - -eval ${MODE} ${ARGUMENTS} -set +f |