#!/usr/bin/bash
|
|
#
|
|
# checkupdates: Safely print a list of pending updates.
|
|
#
|
|
# Copyright (c) 2013 Kyle Keen <keenerd@gmail.com>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
declare -r myname='checkupdates'
|
|
declare -r myver='1.0.0'
|
|
|
|
plain() {
|
|
(( QUIET )) && return
|
|
local mesg=$1; shift
|
|
printf "${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&1
|
|
}
|
|
|
|
msg() {
|
|
(( QUIET )) && return
|
|
local mesg=$1; shift
|
|
printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&1
|
|
}
|
|
|
|
msg2() {
|
|
(( QUIET )) && return
|
|
local mesg=$1; shift
|
|
printf "${BLUE} ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&1
|
|
}
|
|
|
|
ask() {
|
|
local mesg=$1; shift
|
|
printf "${BLUE}::${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}" "$@" >&1
|
|
}
|
|
|
|
warning() {
|
|
local mesg=$1; shift
|
|
printf "${YELLOW}==> $(gettext "WARNING:")${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
|
|
}
|
|
|
|
error() {
|
|
local mesg=$1; shift
|
|
printf "${RED}==> $(gettext "ERROR:")${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
|
|
}
|
|
|
|
# check if messages are to be printed using color
|
|
unset ALL_OFF BOLD BLUE GREEN RED YELLOW
|
|
if [[ -t 2 && ! $USE_COLOR = "n" ]]; then
|
|
# prefer terminal safe colored and bold text when tput is supported
|
|
if tput setaf 0 &>/dev/null; then
|
|
ALL_OFF="$(tput sgr0)"
|
|
BOLD="$(tput bold)"
|
|
BLUE="${BOLD}$(tput setaf 4)"
|
|
GREEN="${BOLD}$(tput setaf 2)"
|
|
RED="${BOLD}$(tput setaf 1)"
|
|
YELLOW="${BOLD}$(tput setaf 3)"
|
|
else
|
|
ALL_OFF="\e[1;0m"
|
|
BOLD="\e[1;1m"
|
|
BLUE="${BOLD}\e[1;34m"
|
|
GREEN="${BOLD}\e[1;32m"
|
|
RED="${BOLD}\e[1;31m"
|
|
YELLOW="${BOLD}\e[1;33m"
|
|
fi
|
|
fi
|
|
readonly ALL_OFF BOLD BLUE GREEN RED YELLOW
|
|
|
|
|
|
if (( $# > 0 )); then
|
|
echo "${myname} v${myver}"
|
|
echo
|
|
echo "Safely print a list of pending updates"
|
|
echo
|
|
echo "Usage: ${myname}"
|
|
echo
|
|
echo 'Note: Export the "CHECKUPDATES_DB" variable to change the path of the temporary database.'
|
|
exit 0
|
|
fi
|
|
|
|
if ! type -P fakeroot >/dev/null; then
|
|
error 'Cannot find the fakeroot binary.'
|
|
exit 1
|
|
fi
|
|
|
|
if [[ -z $CHECKUPDATES_DB ]]; then
|
|
CHECKUPDATES_DB="${TMPDIR:-/tmp}/checkup-db-${USER}/"
|
|
fi
|
|
|
|
trap 'rm -f $CHECKUPDATES_DB/db.lck' INT TERM EXIT
|
|
|
|
DBPath="$(pacman-conf DBPath)"
|
|
if [[ -z "$DBPath" ]] || [[ ! -d "$DBPath" ]]; then
|
|
DBPath="/var/lib/pacman/"
|
|
fi
|
|
|
|
mkdir -p "$CHECKUPDATES_DB"
|
|
ln -s "${DBPath}/local" "$CHECKUPDATES_DB" &> /dev/null
|
|
if ! fakeroot -- pacman -Sy --dbpath "$CHECKUPDATES_DB" --logfile /dev/null &> /dev/null; then
|
|
error 'Cannot fetch updates'
|
|
exit 1
|
|
fi
|
|
pacman -Qu --dbpath "$CHECKUPDATES_DB" 2> /dev/null | grep -v '\[.*\]'
|
|
|
|
exit 0
|
|
|
|
# vim: set noet:
|