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"#!/bin/sh

Copyright (c) Tailscale Inc
Copyright (c) 2024 The Brave Authors
SPDX-License-Identifier: BSD-3-Clause
This script installs the Brave browser using the OS's package manager
Requires: coreutils, grep, sh, sudo/doas/run0/pkexec
Source: https://github.com/brave/install.sh
GLIBC_VER_MIN="2.26"
APT_VER_MIN="1.1"

set -eu

All the code is wrapped in a main function that gets called at the
bottom of the file, so that a truncated partial download doesn't end
up executing half a script.
main() {

Check if the browser can run on this system

case "$(uname)" in
Darwin) error "Please go to https://brave.com/download/ to download the Mac app";;
*) glibc_supported;;
esac

case "$(uname -m)" in
aarch64|x86_64) ;;
*) error "Unsupported architecture $(uname -m). Only 64-bit x86 or ARM machines are supported.";;
esac

Locate the necessary tools

case "$(whoami)" in
root) sudo="";;
*) sudo="$(first_of sudo doas run0 pkexec)" || error "Please install sudo/doas/run0/pkexec to proceed.";;
esac

case "$(first_of curl wget)" in
wget) curl="wget -qO-";;
*) curl="curl -fsS";;
esac

Install the browser

if available apt-get; then
export DEBIAN_FRONTEND=noninteractive
apt_supported
if ! available curl && ! available wget; then
show $sudo apt-get update
show $sudo apt-get install -y curl
fi
show $curl "https://brave-browser-apt-release.s3.brave.com/brave-browser-archive-keyring.gpg"|\
show $sudo install -DTm644 /dev/stdin /usr/share/keyrings/brave-browser-archive-keyring.gpg
show printf "%s\n" "Types: deb" "URIs: https://brave-browser-apt-release.s3.brave.com" "Signed-By: /usr/share/keyrings/brave-browser-archive-keyring.gpg" "Architectures: amd64 arm64" "Suites: stable" "Components: main" |
show $sudo install -DTm644 /dev/stdin /etc/apt/sources.list.d/brave-browser-release.sources
show $sudo rm -f /etc/apt/sources.list.d/brave-browser-release.list
show $sudo apt-get update
show $sudo apt-get install -y brave-browser

elif available dnf; then
if dnf --version|grep -q dnf5; then
show $sudo dnf config-manager addrepo --overwrite --from-repofile=https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo
else
show $sudo dnf install -y 'dnf-command(config-manager)'
show $sudo dnf config-manager --add-repo https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo
fi
show $sudo dnf install -y brave-browser

elif available eopkg; then
show $sudo eopkg update-repo -y
show $sudo eopkg install -y brave

elif available pacman; then
if pacman -Ss brave-browser >/dev/null 2>&1; then
show $sudo pacman -Sy --needed --noconfirm brave-browser
else
aur_helper="$(first_of paru pikaur yay)" ||
error "Could not find an AUR helper. Please install paru/pikaur/yay to proceed." ""
"You can find more information about AUR helpers at https://wiki.archlinux.org/title/AUR_helpers"
show "$aur_helper" -Sy --needed --noconfirm brave-bin
fi

elif available zypper; then
show $sudo zypper --non-interactive addrepo --gpgcheck --repo https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo
show $sudo zypper --non-interactive --gpg-auto-import-keys refresh
show $sudo zypper --non-interactive install brave-browser

elif available yum; then
available yum-config-manager || show $sudo yum install yum-utils -y
show $sudo yum-config-manager -y --add-repo https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo
show $sudo yum install brave-browser -y

elif available rpm-ostree; then
available curl || available wget || error "Please install curl/wget to proceed."
show $curl https://brave-browser-rpm-release.s3.brave.com/brave-browser.repo|\
show $sudo install -DTm644 /dev/stdin /etc/yum.repos.d/brave-browser.repo
show $sudo rpm-ostree install -y --idempotent brave-browser

else
error "Could not find a supported package manager. Only apt/dnf/eopkg/pacman(+paru/pikaur/yay)/rpm-ostree/yum/zypper are supported." ""
"If you'd like us to support your system better, please file an issue at"
"https://github.com/brave/install.sh/issues and include the following information:" ""
"$(uname -srvmo || true)" ""
"$(cat /etc/os-release || true)"
fi

if available brave || available brave-browser; then
printf "Installation complete! Start Brave by typing: "
basename "$(command -v brave-browser || command -v brave)"
else
echo "Installation complete!"
fi
}

Helpers
available() { command -v "${1:?}" >/dev/null; }
first_of() { for c in "${@:?}"; do if available "$c"; then echo "$c"; return 0; fi; done; return 1; }
show() { (set -x; "${@:?}"); }
error() { exec >&2; printf "Error: "; printf "%s\n" "${@:?}"; exit 1; }
newer() { [ "$(printf "%s\n%s" "$1" "$2"|sort -V|head -n1)" = "${2:?}" ]; }
supported() { newer "$2" "${3:?}" || error "Unsupported ${1:?} version ${2:-}. Only $1 versions >=$3 are supported."; }
glibc_supported() { supported glibc "$(ldd --version 2>/dev/null|head -n1|grep -oE '[0-9]+.[0-9]+$' || true)" "${GLIBC_VER_MIN:?}"; }
apt_supported() { supported apt "$(apt-get -v|head -n1|cut -d' ' -f2)" "${APT_VER_MIN:?}"; }

main"