mirror of
https://github.com/Gator96100/ProxSpace.git
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143 lines
3.2 KiB
Bash
143 lines
3.2 KiB
Bash
#!/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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declare -r myname='checkupdates'
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declare -r myver='1.9.1'
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LIBRARY=${LIBRARY:-'/usr/share/makepkg'}
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DOWNLOAD_CACHE=0
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USE_COLOR='y'
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# Import libmakepkg
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source "$LIBRARY"/util/message.sh
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source "$LIBRARY"/util/parseopts.sh
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die() {
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error "$@"
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exit 1
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}
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runcmd() {
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if (( EUID != 0 )); then
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msg 'Escalating privileges using sudo'
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if sudo -v &>/dev/null && sudo -l &>/dev/null; then
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sudo "$@"
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else
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die 'Failed to escalate'
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fi
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else
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"$@"
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fi
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}
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usage() {
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cat <<EOF
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${myname} v${myver}
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Safely print a list of pending updates.
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Usage: ${myname} [options]
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Options:
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-d, --download download pending updates to the pacman cache
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--nocolor do not colorize output
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-n, --nosync do not sync the temporary database
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-h, --help display this help message and exit
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-V, --version display version information and exit
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Environment Variables:
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CHECKUPDATES_DB override the path of the temporary database
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(default: "\${TMPDIR:-/tmp}/checkup-db-\${UID}")
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TMPDIR override the temporary directory (default: '/tmp')
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EOF
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}
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version() {
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printf "%s %s\n" "$myname" "$myver"
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}
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OPT_SHORT='dnhV'
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OPT_LONG=('download' 'nosync' 'help' 'nocolor' 'version')
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if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
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exit 1
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fi
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set -- "${OPTRET[@]}"
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unset OPT_SHORT OPT_LONG OPTRET
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SYNC=1
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while :; do
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case $1 in
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-d|--download)
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DOWNLOAD_CACHE=1 ;;
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--nocolor)
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USE_COLOR='n';;
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-n|--nosync)
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SYNC=0 ;;
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-h|--help)
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usage
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exit 0 ;;
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-V|--version)
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version
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exit 0 ;;
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--)
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shift
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break ;;
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esac
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shift
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done
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# check if messages are to be printed using color
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if [[ -t 2 && $USE_COLOR != "n" ]]; then
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colorize
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else
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unset ALL_OFF BOLD BLUE GREEN RED YELLOW
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fi
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if [[ -z $CHECKUPDATES_DB ]]; then
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CHECKUPDATES_DB="${TMPDIR:-/tmp}/checkup-db-${UID}/"
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fi
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trap 'rm -f $CHECKUPDATES_DB/db.lck' INT TERM EXIT
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DBPath="$(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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if (( ${SYNC} )); then
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mkdir -p "$CHECKUPDATES_DB"
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ln -s "${DBPath}/local" "$CHECKUPDATES_DB" &> /dev/null
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if ! pacman -Sy --dbpath "$CHECKUPDATES_DB" --logfile /dev/null &> /dev/null; then
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die 'Cannot fetch updates'
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fi
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fi
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mapfile -t updates < <(pacman -Qu --dbpath "$CHECKUPDATES_DB" 2> /dev/null | grep -v '\[.*\]')
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if (( ${#updates[@]} )); then
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printf '%s\n' "${updates[@]}"
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if (( DOWNLOAD_CACHE )); then
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runcmd pacman -Sw --noconfirm "${updates[@]%% *}" --dbpath "$CHECKUPDATES_DB" --logfile /dev/null
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fi
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else
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exit 2
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fi
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