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