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[presets] add steamos files
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Philip Mueller
242
presets/steam/steamos/bin/pacman-system-update
Executable file
242
presets/steam/steamos/bin/pacman-system-update
Executable file
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#!/bin/bash
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#
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# Copyright (c) 2020 Gaël PORTAY
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#
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# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# https://www.freedesktop.org/software/systemd/man/systemd.offline-updates.html
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set -e
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set -u
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set -o pipefail
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VERSION="1.1"
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opts=(--noconfirm --noprogressbar --cachedir /var/lib/system-update)
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while [[ "$#" -ne 0 ]]
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do
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if [[ "$1" =~ (-h|--help) ]]
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then
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echo "Usage: ${0##*/} [--now] [--force] [--] [pacman-extra-flags]"
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exit 0
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elif [[ "$1" =~ (-V|--version) ]]
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then
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echo "$VERSION"
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exit
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elif [[ "$1" == "--now" ]]
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then
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now=true
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elif [[ "$1" == "--force" ]]
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then
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force=true
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elif [[ "$1" == "--" ]]
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then
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shift
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break
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else
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echo "$1: Invalid argument" >&2
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exit 1
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fi
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shift
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done
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if [[ -z "${now:-}" ]]
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then
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if [[ ! -e /system-update ]] || [[ "${force:-}" ]]
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then
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echo ":: Preparing offline system updates..."
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mkdir -p /var/lib/system-update
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pacman "${opts[@]}" --downloadonly -Syu "$@"
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mapfile -t pkgs < <(find /var/lib/system-update -name "*.pkg.tar.*")
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if [[ "${#pkgs[@]}" -eq 0 ]]
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then
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exit 0
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fi
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ln -sf /var/lib/system-update /system-update
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if [[ "$#" -gt 0 ]]
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then
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echo "$@" >/var/lib/system-update/.flags
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fi
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fi
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echo ":: Please reboot the machine to trigger the offline system updates."
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if [[ -e /var/lib/system-update/.flags ]]
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then
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cat /var/lib/system-update/.flags
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fi
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exit
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fi
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# As the first step, an update service should check if the /system-update
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# symlink points to the location used by that update service. In case it does
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# not exist or points to a different location, the service must exit without
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# error.
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if [[ ! -L /system-update ]] ||
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[[ "$(readlink -f /system-update)" != "/var/lib/system-update" ]]
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then
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echo ":: No offline system updates prepared."
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exit 0
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fi
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# Make sure to remove the /system-update symlink as early as possible in the
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# update script to avoid reboot loops in case the update fails.
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rm -f /system-update
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progress() {
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if plymouth --ping 2>/dev/null
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then
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plymouth system-update --progress="$1"
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fi
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echo -n "$1 "
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}
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if [[ -r /var/lib/system-update/.flags ]]
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then
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read -r -a extraflags < <(cat /var/lib/system-update/.flags)
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if [[ "${#extraflags[@]}" -gt 0 ]]
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then
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set -- "$@" "${extraflags[@]}"
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fi
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rm -f /var/lib/system-update/.flags
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fi
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# If your script succeeds you should trigger the reboot in your own code, for
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# example by invoking logind's Reboot() call or calling systemctl reboot. See
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# logind dbus API for details.
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# shellcheck disable=SC2154
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trap 'ret="$?"; trap - 0; if [ "$ret" -eq 0 ]; then systemctl reboot; return "$ret"; fi' 0 INT
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if plymouth --ping 2>/dev/null
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then
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plymouth change-mode --system-upgrade
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plymouth system-update --progress=0
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fi
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i=0
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step=
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while read -r -a words
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do
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# empty line: skip it!
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if [[ "${#words[@]}" -eq 0 ]]
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then
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continue
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fi
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# the pacman steps:
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# :: Synchronizing package databases...
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# :: Starting full system upgrade...
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# :: Proceed with installation? [Y/n]
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# :: Retrieving packages...
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# :: Running pre-transaction hooks...
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# :: Processing package changes...
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# :: Running post-transaction hooks...
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if [[ "${words[0]}" =~ :: ]]
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then
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i=0
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step="${words[*]:1}"
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if [[ "$step" == "Synchronizing package databases..." ]] ||
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[[ "$step" == "Retrieving packages..." ]] ||
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[[ "$step" == "Running pre-transaction hooks..." ]] ||
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[[ "$step" == "Running post-transaction hooks..." ]]
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then
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echo "$step"
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fi
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continue
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fi
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# nothing to do: exit early!
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if [[ "${words[0]}" == "there is nothing to do" ]]
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then
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echo "Nothing to do, rebooting..."
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break
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fi
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# :: Starting full system upgrade...
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# resolving dependencies...
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# looking for conflicting packages...
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#
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# Packages (4) pkg1 pkg2 pkg3 pkg4
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#
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# Total Download Size: ##.## MiB
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# Total Installed Size: ##.## MiB
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# Net Upgrade Size: ##.## MiB
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#
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if [[ "${words[0]}" == "Packages" ]]
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then
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# Packages (4) (...)
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if [[ "${words[1]}" =~ ^\([0-9]+\)$ ]]
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then
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count="${words[1]:1:$((${#words[1]}-2))}"
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fi
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# :: Retrieving packages...
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# downloading pkg...
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# :: Processing package changes...
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# upgrading pkg...
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elif [[ "${words[0]}" =~ ^(downloading|installing|upgrading)$ ]] &&
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[[ "$step" != "Synchronizing package databases..." ]]
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then
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i="$((i+1))"
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processing="${words[0]:0:1}"
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processing="${processing^^}"
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processing+="${words[0]:1}"
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if [[ -z "${count:-}" ]]
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then
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echo "$processing ${words[1]}"
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continue
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elif [[ "${words[0]}" == downloading ]]
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then
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echo "$processing ${words[1]} ($i/$count)"
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continue
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fi
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progress "$((20+(60*i)/count))"
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echo "$processing ${words[1]} ($i/$count)"
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continue
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# :: Running pre-transaction hooks...
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# ( #/##) Doing something...
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# (##/##) Doing another thing...
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# :: Running post-transaction hooks...
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# (#/#) Doing a last thing...
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elif [[ "$step" == "Running pre-transaction hooks..." ]] ||
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[[ "$step" == "Running post-transaction hooks..." ]]
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then
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# ( #/##) (...): remove the parasite space.
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if [[ "${words[0]}" == "(" ]]
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then
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words[1]="${words[0]}${words[1]}"
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words[0]=
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words=("${words[@]:1}")
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fi
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if ! [[ "${words[0]}" =~ ^\([0-9]+/[0-9]+\)$ ]]
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then
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echo "${words[*]}"
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continue
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fi
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if [[ "$step" == "Running pre-transaction hooks..." ]]
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then
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base=0
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else
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base=80
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fi
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val="${words[0]:1:$((${#words[0]}-2))}"
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progress "$((base+20*${val// /}))"
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echo "${words[*]:1} ${words[0]}"
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continue
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fi
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done < <(pacman "${opts[@]}" -Su "$@")
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rm -f /var/lib/system-update/*.pkg.tar.*
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if plymouth --ping 2>/dev/null
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then
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plymouth change-mode --boot-up
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plymouth display-message --text="Rebooting..."
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fi
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echo "Rebooting..."
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sleep 5s
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